Describe the function / purpose of the following PHP code
segment.
$result = mysql_query("SELECT * FROM Friends
WHERE FirstName = ' Sammy'");
Answers
The given PHP code segment executes a MySQL query to select all records from a table named "Friends" where the value of the "FirstName" column is 'Sammy'. The result of the query is stored in the variable "$result".
In the code segment, the "mysql_query()" function is used to send a SQL query to the MySQL database. The query being executed is "SELECT * FROM Friends WHERE FirstName = 'Sammy'". This query selects all columns ("*") from the table named "Friends" where the value of the "FirstName" column is equal to 'Sammy'.
The result of the query, which may be a set of rows matching the condition, is returned by the "mysql_query()" function and stored in the variable "$result". This variable can be used to fetch and process the selected data later in the code.
Please note that the code uses the "mysql_query()" function, which is deprecated and no longer recommended. It is advised to use the newer MySQL extensions or PDO for interacting with databases in PHP.
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Related Questions
Which networking component includes a device driver? a. Network server software b. Network client software c. Network protocol d. Network interface.
Answers
The networking component that includes a device driver is d. Network interface.
A network interface is a hardware or software component that allows a computer to connect to a network. It includes a device driver, which is a software component that allows the operating system to communicate with the hardware. The device driver is responsible for controlling the network interface and sending and receiving data over the network.
In contrast, a network server is a computer that is responsible for managing network resources and providing services to other computers on the network. Network client software is used by computers to access these services. Network protocols are a set of rules and standards that govern how data is transmitted over a network.
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int sum = 0;
for (i=0; i<10; i++)
sum = sum + i;
2. [40 points] --- Level-1
a) Your above work has to be carried out by a series of Mic-1 microinstructions. Count the
number of Mic-1 microinstructions are used to interpret (execute) the above IJVM code.
b) Assume this computer is driven by a 4-GHz clock (CPU speed). How many clock cycles are
needed to run this the user’s code?
c) How much time is needed to run the above 2 C++/JAVA sentences on this computer?
Answers
a) It would take a certain amount of Mic-1 microinstructions to run the provided IJVM code.
What is the LDI instruction?The LDI instruction involves a single microinstruction for loading a constant value.
One microinstruction is all that is needed for the Load Register (LDR) instruction.
Introduce the ADDR instruction which will consist of a single microinstruction.
The store register (STR) instruction can be executed with just one microinstruction.
The BNZ instruction, requiring 2 microinstructions, functions by branching if the value is not equal to zero.
The BNZ instruction will be executed for a total of 10 times, as the loop iterates for that same number of times.
Consequently, the overall Mic-1 microinstruction count would reach 24, which is the sum of one instruction for each step, plus ten additional instructions multiplied by two.
b) The execution of every Mic-1 microinstruction requires one clock cycle, therefore, the user's code necessitates 24 clock cycles since it comprises 24 microinstructions.
If the computer's CPU has a speed of 4 GHz, we can calculate the duration for running the two C++/Java statements by dividing the number of clock cycles by the CPU speed.
The amount of time taken can be determined by dividing the number of clock cycles by the speed of the CPU.
In order to calculate time, one must divide 24 clock cycles by 4 GHz.
The duration is equivalent to 6 billionths of a second.
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Why would you clear a computer’s cache, cookies, and history?
to ensure that your computer’s settings and security certificates are up to date
to ensure that your computer’s settings and security certificates are up to date
to make sure that nothing is preventing your computer from accessing the internet
to make sure that nothing is preventing your computer from accessing the internet
to prevent intrusive ads from delivering malware to your computer
to prevent intrusive ads from delivering malware to your computer
to ensure that they are not clashing with the web page or slowing your computer down
Answers
Answer:
prevents you from using old forms. protects your personal information. helps our applications run better on your computer.
Implement a sorting algorithm and sort the vocab list (found below) by the length of the strings. For this question, sort the list directly: do not define a sort function or a swap function. Print the vocab list before and after it is sorted.
Note 1: Only swap the elements at index a and index b if the string at index a is a greater length than the string at index b.
Note 2: You should implement a sorting algorithm similar to the one from the lessons.
vocab = ["Libraries", "Software", "Cybersecurity", "Logic", "Productivity"]
Expected Output
['Libraries', 'Software', 'Cybersecurity', 'Logic', 'Productivity']
['Logic', 'Software', 'Libraries', 'Productivity', 'Cybersecurity']
Answers
The sorting algorithm and sort the vocab list by the length of the strings is in the explanation part.
What is programming?Making a set of instructions that instruct a computer how to carry out a task is the process of programming. Computer programming languages like JavaScript, Python, and C++ can all be used for programming.
The algorithm for the given scenario can be:
vocab = ["Libraries", "Software", "Cybersecurity", "Logic", "Productivity"]
print(vocab)
n = len(vocab)
for i in range(n):
for j in range(n-i-1):
if len(vocab[j]) > len(vocab[j+1]):
vocab[j], vocab[j+1] = vocab[j+1], vocab[j]
print(vocab)
Thus, this will produce the given output.
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Brainy users come back and answer some questions some of us really need help get your ponits today and you will feel good mean while you answer questions other people might have.!
Answers
Answer:
of course we will answer any question at any time
it is not possible for marketers to obtain metrics from campaigns that take place off the website. True or false?
Answers
False. Marketers can obtain metrics from campaigns that take place off the website through various methods such as tracking URLs, unique identifiers, referral codes, and conversion tracking.
These techniques enable marketers to measure the effectiveness of their campaigns across different channels, including offline activities like print ads, billboards, events, and direct mail. By employing these strategies, marketers can analyze the impact of their offline campaigns, track conversions, and attribute them to specific marketing efforts, providing valuable insights for optimizing future marketing strategies and allocating resources effectively.
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which cannot be huffman
Answers
Huffman coding is a form of data compression which is used to reduce the size of a file by reducing the number of bits used to represent each piece of data. It cannot be used to expand a file.
Huffman coding is a type of data compression technique which is used to reduce the size of a file by reducing the number of bits used to represent each piece of data. This is done by assigning shorter codes to more frequent pieces of data and longer codes to less frequent pieces of data. Huffman coding is lossless, meaning that the original data can be completely reconstructed from the encoded data. However, Huffman coding cannot be used to expand the size of a file, as the process is only used to reduce the size of the data. Additionally, Huffman coding is not suitable for all types of data, as the data must contain enough redundancy to be effectively compressed.
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The complete question is
which cannot be huffman coding?
Which interface communicates over a parallel connection?
Answers
The interface that communicates over a parallel connection is parallel data transmission.
What is Parallel communication interface?Parallel communication is a technique for transmitting several binary digits (bits) at once in data transmission.
This distinction is one method to describe a communications link in contrast to serial communication, which only transmits one bit at a time.
Therefore, note that there are numerous data bits are delivered over multiple channels at once when data is sent utilizing parallel data transmission. As a result, data can be transmitted significantly more quickly than with serial transmission techniques.
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A grade 8 girl types her age as 18 years old as to gain access to a certain website. Is this statement ethical or unethical? Give atleast 2 reasons for both options.
Answers
Answer:
The answer is ethical.
Explanation:
Because first off she is lying about her age and second apparently she is too young to get in the website.
Tom walks into the accounting department and walks into a mess! User A can't access the Internet, User B has forgotten her password, User C's system is overheating to the point of smoking and the administrator is worried there might be a virus on all the systems. Whose system should he address first
Answers
Answer:
User C.
Explanation:
As per the given details, the problem of user C's system must be addressed first due to the seriousness of his case. His computer is excessively overheating up to the smoking point and if his problem is not addressed soon, it will damage the vital parts of the computer or may also explode. The other users having the problem of inability to access the internet or issue of forgotten password can be addressed later as these are minor problems that do not have as such consequences. Thus, user C is the correct answer.
Logical operators must be used in order to combine two or more conditions in a query. ____________________
Answers
True In this example, there are six conditions that must be satisfied for a record to be retrieved. Each of these conditions is separated by either the AND or the OR logical operator.
Logical operators are used to combine two or more conditions in a query. A condition is a combination of fields and operators that is used to specify the subset of data that is to be retrieved or updated from a table. The condition(s) should be enclosed in parentheses, and each condition should be separated by either the AND or the OR logical operator, as shown below: SELECT * FROM table _name.
Where condition1 AND condition2 AND condition3 OR condition4 AND condition5 OR condition6;This SQL query is used to retrieve all records from the table named "table_ name" that meet the specified conditions. In this example, there are six conditions that must be satisfied for a record to be retrieved. Each of these conditions is separated by either the AND or the OR logical operator.
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Another problem related to indefinite postponement is called ________. This occurs when a waiting thread (letâ s call this thread1) cannot proceed because itâ s waiting (either directly or indirectly) for another thread (letâ s call this thread2) to proceed, while simultaneously thread2 cannot proceed because itâ s waiting (either directly or indirectly) for thread1 to proceed. The two threads are waiting for each other, so the actions that would enable each thread to continue execution can never occur.
Answers
Answer:
"Deadlock" is the right solution.
Explanation:
A deadlock seems to be a circumstance where certain (two) computer algorithms that share a similar resource essentially prohibit each other during manipulating the asset, leading to both programs withdrawing to operate.This occurs when multiple transfers or transactions block everyone by maintaining locks onto assets that every other activity also needs.So that the above is the correct answer.
list and define the three components of the network infrastructure.
Answers
Do you have picture so i can answer it
Answer:
1-Routers and switches
2-Firewalls
3-Load balancers
BJP4 Self-Check 7.21: swapPairs
Write a method named swapPairs that accepts an array of strings as a parameter and switches the order of values in a pairwise fashion. Your method should switch the order of the first two values, then switch the order of the next two, switch the order of the next two, and so on.
PLEASE HELP DUE AT 11:59
Answers
Answer:
public static void swapPairs(ArrayList strList)
{
for(int i = 0; i < strList.size() - 1; i += 2)
{
String temp1 = strList.get(i);
String temp2 = strList.get(i + 1);
strList.set(i, temp2);
strList.set(i + 1, temp1);
}
}
Explanation:
The following code should take a number as input, multiply it by 8, and print the result. In line 2 of the code below, the * symbol represents multiplication. Fix the errors so that the code works correctly: input ("Enter a number: ") print (num * 8)
Answers
Answer:
The correct program is as follows:
num = float(input ("Enter a number: "))
print(num * 8)
Explanation:
Notice the difference between (1)
num = float(input ("Enter a number: "))
print (num * 8)
and (2)
input ("Enter a number: ")
print(num * 8)
Program 1 is correct because:
- On line 1, it takes user input in numeric form, unlike (2) which takes it input as string
- On line 2, the program multiplies the user input by 8 and prints it out
why is what you say in business as important as how you say it
Answers
Answer:
Because the things you say and how you say it can determine whether or not you sell an item, make a deal with another company and things of that nature. Hope this helps!!
F1: 2^14 formula ....................................................................
Answers
Answer:
=POWER(2,14)
Explanation:
The complete question is to write the given formula in cell F1
We have:
\(F1 = 2^\wedge {14}\)
The above formula implies 2 raised to the power of 14.
In Excel, this can be achieved using the power function
And the syntax is:
=POWER(m,n)
which means m^n
So, 2^14 will be entered in cell F1 as:
=POWER(2,14)
waluigi for smash who agrees
Answers
Answer:
I do
Explanation:
Well, if i didnt, i wouldn't be part of the internet, now would I?
(can i get brainliest? pls?)
totally i agree-even tho i dont really play anymore
How does making a call differ when using a cell phone public phon box? consider the kinds of user, types of activity and context of use
Answers
Answer:
Explanation:
Making A Call:Public Cell Phone:
A public telephone box is a fixed and noncompact gadget that is associated by the means of electrical wires and is utilized for correspondence by making telephone calls. For settling on the telephone decision, both the telephones ought to be working appropriately and the wires interfacing both the cases ought to likewise be working appropriately without any harm. The voice is communicated starting with one gadget then onto the next as electrical signals pass across the wires.
Cell Phones:
A cellphone is a mobile and versatile gadget whose essential capacity and purpose are to build up correspondence by settling on telephone decisions. Dissimilar to the public telephone box, we don't utilize any wires, rather the correspondence is finished by the methods for a sim card in the telephone which is answerable for building up correspondence between the cellphone and the relating network tower. For the correspondence to occur or call to happen the sim in both the mobile phones should be working appropriately and should be associated with their separate or closest organization towers. The signs are moved from the gadgets to the organization towers which will be additionally moved to wanted cellphones and the other way around or vice versa.
Considering the device design based on:
a) The kinds of User:
Individuals who don't utilize the telephone every now and again and talk for long hours sometimes when they use the telephone, for the most part, lean toward public telephone box since, supposing that you have a mobile cell phone and assuming you don't utilize it much, it is simply misused of cost. Be that as it may, in wireless the expenses are fixed upon the measure of time utilized for settling on telephone call decisions.
b) Type of activity:
Public telephone boxes can be utilized distinctly for settling on telephone decisions whereas personal digital assistance (PDAs, i.e cell phones) can be utilized to settle on telephone decisions, access the web, send instant messages, share pictures and video, and numerous different things.
c) Context of usage:
The context of usage whereby public telephone box is utilized when less often calls are made and the correspondence at whatever point made is for longer periods then public telephone boxes are utilized and furthermore individuals who don't wish to carry and move about with a cell phone and charge each an ideal opportunity to keep up the cell phones for the most part incline toward public telephone box. Individuals who are open to carrying the cell phones and have no issues charging the mobile and who need to settle on telephone decisions oftentimes buy the idea of cell phones over public telephone boxes.
Write the full forms of the following:
a. GIGO
b. MHz
c. BBS
d. CBT
e. KB
f. ICU
g. CAI
h. WBT
i. IPM
j. CAS
k. ICT
l. ATM
Answers
Answer:
The abbreviation of the given points is described below.
Explanation:
GIGO stands for "Garbage In/Garbage Out".MHz stands for "Megahertz".BBS stands for "Bulletin Board System".CBT stands for "Computer-based training".KB stands for "Knowledge Base".ICU stands for "Intensive Care Unit".CAI stands for "Common Air Interface".WBT stands for "Web-based training".IPM stands for "Intel Power Monitor".CAS stands for "Channel Associated Signaling" and "Customer Alert Signal".ICT stands for "Information and Communication Technology".ATM stands for "Automatic Teller Machine".Answer:
Answer:
The abbreviation of the given points is described below.
Explanation:
GIGO stands for "Garbage In/Garbage Out".
MHz stands for "Megahertz".
BBS stands for "Bulletin Board System".
CBT stands for "Computer-based training".
KB stands for "Knowledge Base".
ICU stands for "Intensive Care Unit".
CAI stands for "Common Air Interface".
WBT stands for "Web-based training".
IPM stands for "Intel Power Monitor".
CAS stands for "Channel Associated Signaling" and "Customer Alert Signal".
ICT stands for "Information and Communication Technology".
ATM stands for "Automatic Teller Machine".
THANKS
0
Explanation:
which two statements are true about regions and availability domains? oci is hosted in multiple regions. fault domains provide protection against failures across availability domains. fault domains provide protection against failures across regions. oci is hosted in a region with a single availability domain. a region is composed of one or more availability domains.
Answers
The two statements that are true about regions and availability domains are given below.
What are the statements?1) OCI is hosted in multiple regions. A region is a localized geographic area that contains one or more availability domains. OCI has multiple regions spread across the globe, allowing customers to choose the region closest to their users to reduce latency and ensure data sovereignty.
2) A region is composed of one or more availability domains. An availability domain is a standalone, independent data center within a region. Availability domains are isolated from each other with independent power, cooling, and networking infrastructure.
This provides customers with fault tolerance in the event of a failure in one availability domain, as their services can automatically failover to another availability domain within the same region. However, fault domains provide protection against failures within an availability domain, not across availability domains or regions.
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which video mode is the native resolution for many desktop lcd monitors?
Answers
The native resolution for many desktop LCD monitors is the Video Graphics Array (VGA) mode.
The VGA mode, also known as 640x480 resolution, was a standard video mode introduced by IBM in the 1980s. It became widely adopted and is considered the native resolution for many older desktop LCD monitors. The VGA mode has a resolution of 640x480 pixels, which means it can display 640 pixels horizontally and 480 pixels vertically. While newer LCD monitors and displays have higher resolutions, such as Full HD (1920x1080) or even 4K (3840x2160), the VGA mode remains relevant for compatibility with older systems and devices.
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Which category of elements is commonly used to make computer chips and solar cells due to their ability to conduct electricity only under certain conditions?.
Answers
The category of elements used to make computer chips and solar cells due to their ability to conduct electricity is metalloids
What are metalloids?
With no standard definitaion and concrete agreement on which element a metalloid is, metalloids are said to be a type of chemical which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals.
Metalloids are widely used as alloys, biological agents, catalysts, glasses and optical storage media. Metalloids are also known to have applications in optoelectronics, semiconductors, pyrotechnics, and electronics etc.
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identify any factors which you believe may have contributed to the percent error. explain how each source of error could be addressed.
Answers
Percent error is used to evaluate the accuracy of an experimental result. It calculates the difference between the measured value and the actual value divided by the actual value. There are many factors that may contribute to percent error, including the accuracy of measuring instruments, human error, environmental factors, and more. Let's discuss some of the factors that may have contributed to percent error and how each can be addressed.
The accuracy of measuring instruments is one of the most important factors in determining percent error. For example, if you are measuring the length of an object using a ruler, the accuracy of the ruler could affect the measurement. To address this issue, it is important to use a measuring instrument with a high degree of accuracy. If possible, use more than one instrument to measure the same thing and then take the average of the results.
These errors can be addressed by being careful and double-checking all measurements, calculations, and data entries. If possible, have another person check your work to catch any errors. Environmental Factors :Environmental factors such as temperature, humidity, and pressure can affect the accuracy of experimental results. To address this issue, it is important to conduct experiments in a controlled environment and to take measurements under consistent conditions.
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How to improve a poor game design puzzles
Answers
Answer:
Steal code from github omegaLoL
Explanation:
ez clap CTRL+C CTRL+V
Match the certification to its issuing agency.
Will mark brainliest if answered within 10-15 minutes and is correct.
Network+
MCSA
CCENT
CompTIA
Cisco
Microsoft
Answers
The certification are matched accordingly
Microsoft = MCSA
CompTIA = Network+
Cisco = CCENT.
What is Cisco?The Cisco Certified Network Associate (CCNA) is an entry-level information technology (IT) certification offered by networking hardware vendor Cisco. The CCNA is intended to confirm your understanding of core networking principles that are frequently sought in networking responsibilities in IT employment.
Cisco offers equipment and services to assist businesses in the development of computer networks, including switches, routers, and software on an individual, small company, and industrial scale.
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The city of ottawa has a land-use plan for one of its communities.
it wants to distribute part of a 517 ha area as follows:
residential 196 ha
roads 75 ha
green space 55 ha
businesses 111 ha
what percent of the 517 ha is designated for each type of land use?
Answers
Residential: 37.92%, Roads: 14.50%, Green space: 10.64%, Businesses: 21.45%
What are the percentages of land designated for residential, roads, green space, and businesses in the city of Ottawa's land-use plan for one of its communities?To determine the percentage of land designated for each type of land use, we divide the area of each type by the total area (517 ha) and multiply by 100 to convert it to a percentage.
Residential: (196 ha / 517 ha) ˣ 100% = 37.92%Roads: (75 ha / 517 ha) ˣ 100% = 14.50%Green space: (55 ha / 517 ha) ˣ 100% = 10.64%Businesses: (111 ha / 517 ha) ˣ 100% = 21.45%Therefore, the land-use plan designates approximately 37.92% for residential, 14.50% for roads, 10.64% for green space, and 21.45% for businesses.
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distributed training of deep neural networks: theoretical and practical limits of parallel scalability
Answers
Distributed training of deep neural networks is an efficient way of parallel computing in neural networks, it uses distributed computational resources to train the neural network models.
The practical factors that limit the parallel scalability of distributed training of deep neural networks include the computational power, the network topology, and the data distribution. The computational power of each node determines the size of the model that can be trained in the distributed setting. If the computational power of each node is low, then the size of the model that can be trained is small, which limits the scalability of the distributed training process.
The network topology is another practical factor that affects the scalability of the distributed training process. If the network topology is not optimized for the distributed training process, then there will be bottlenecks in the communication between different computing nodes, which limits the performance of the distributed training process.
The data distribution is also an important practical factor that affects the scalability of the distributed training process. If the data is not evenly distributed among different computing nodes, then some nodes will be underutilized while others will be overutilized. This leads to a waste of computational resources and limits the scalability of the distributed training process.
In conclusion, the distributed training of deep neural networks is an efficient way of parallel computing in neural networks. However, the parallel scalability of the distributed training process is limited by both theoretical and practical factors. The theoretical factors include the communication overhead and the granularity of the parallelism, while the practical factors include the computational power, the network topology, and the data distribution. These factors should be carefully considered when designing and implementing distributed training algorithms for deep neural networks.
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this is really a question about what this means. My friend is trying to code speed racer the video game and he doesn't know what this means. Before you ask yes the devs know about this and don't care. but here is this code 03 D0 5F 3A.
what does these codes mean?
Answers
It appears that the code "03 D0 5F 3A" is a hexadecimal representation of a series of bytes. Without more context, it is difficult to determine with certainty what this collection of bytes implies.
How is hexadecimal converted to bytes?You must first obtain the length of the supplied text and include it when constructing a new byte array in order to convert a hex string to a byte array. new byte[] val = str. length() / 2 new byte; Take a for loop now up till the byte array's length.
How can a byte array be converted to a hex byte array?Using a loop to go through each byte in the array and the String format() function, we can convert a byte array to a hex value. To print Hexadecimal (X) with two places (02), use%02X.
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As part of their extensive kitchen remodel, the Lees told their electrical contractors that they would need plenty of outlets for their many appliances. The contractors
knew that they would need to install small-appliance branch circuits using what kind of wire and circuit breaker?
Answers
The kind of wire and circuit breaker are: grounding wire such as fairly large bare copper wire.
What is the best wire for the above?A 20A, 120V small-appliance branch circuit is known to be used in the case above.
Note that Electric range circuits needs about 50-amp, 240-volt made for circuit that is said to supplies the power to the range or oven via a 6-3 electrical wire.
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