Why won't a chunck of this program run in Linux but will on Windows?

Why won't a chunck of this program run in Linux but will on Windows?

By : S. Gaur
Date : November 21 2020, 11:01 PM
I wish this helpful for you So I had to build a tiny little game that asks players to pick a number and see if they guess what the computer picks. It has 2 players and each can pass their turn to the other. One of the stipulations is that my professor is running a linux OS and has said if it doesn't work on that then it's a wash. When I run the code in codeblocks is works find and does exactly what it's supposed to do. If a player passes and output message is displayed and the turn switches. , strcmp has 3 possible return codes:
<0 ==0 >0
code :

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Simple pthreads and signal program on linux wont run

Simple pthreads and signal program on linux wont run

By : user6888390
Date : March 29 2020, 07:55 AM
I hope this helps . Add a newline "\n" to all your printf's. Without it, stdout will not flush and it will appear your program is not working even though it is.
Also, checking fork() for failure is a good idea. fork() returns -1 on failure and sets errno.
R: How to apply a function to a chunck in data.frame and return a converted chunck?

R: How to apply a function to a chunck in data.frame and return a converted chunck?

By : Shafiu Shaibu
Date : March 29 2020, 07:55 AM
hop of those help? This can be done by splitting your data frame with split and operating on each subset with the lapply function. Let's assume you wanted to compute the maximum ratio of sepal length to petal length for each species in the iris dataset. You could do this with:
code :
unlist(lapply(split(iris, iris$Species),
              function(x) max(x$Sepal.Length / x$Petal.Length)))
#     setosa versicolor  virginica 
#   4.833333   1.700000   1.352941 
do.call(rbind, lapply(split(iris, iris$Species),
                      function(x) data.frame(max.ratio = max(x$Sepal.Length / x$Petal.Length),
                                             min.ratio = min(x$Sepal.Length / x$Petal.Length))))
#            max.ratio min.ratio
# setosa      4.833333  2.526316
# versicolor  1.700000  1.176471
# virginica   1.352941  1.050000
How to convert chunck by chunck byte array into base64 string?

How to convert chunck by chunck byte array into base64 string?

By : Soumen Ghosh
Date : March 29 2020, 07:55 AM
I wish this help you The fact you use Stream input in your wcf service does not really mean you pass anything in streamed manner. In fact in your case you do not, because:
You buffer whole file on client in memory to build json string. You buffer whole file on server in memory via stmRequest.ReadToEnd().
code :
public void UploadFile1(string fileName, Stream input) {
    // check your security headers here
    string networkPath = WebConfigurationManager.AppSettings["NetWorkPath"];
    using (var fs = File.Create(networkPath + "/" + fileName)) {
[WebInvoke(Method = "POST", UriTemplate = "/UploadFile1/{fileName}")]
var filePath = "path to your zip file here";
var file = new FileInfo(filePath);
// pass file name in query string
var request = (HttpWebRequest)WebRequest.Create("http://YourServiceUrl/UploadFile1/" + file.Name);            
request.Method = "POST";
// set content length
request.ContentLength = file.Length;
// stream file to server
using (var fs = File.OpenRead(file.FullName)) {
    using (var body = request.GetRequestStream()) {
// ensure no errors
Cygwin: Linux on Windows? How to ensure that program created in Windows works for Linux

Cygwin: Linux on Windows? How to ensure that program created in Windows works for Linux

By : Niraj
Date : March 29 2020, 07:55 AM
To fix the issue you can do You can never be sure. Even though your program seems to work it may still contain bugs that invoke undefined behaviour.
However, you can reduce the risk of malfunctions by using best practice, for example:
code :
gcc -Wall -Wextra -pedantic -std=c99
CTRL-C wont kill program linux/C

CTRL-C wont kill program linux/C

By : Gaurav Agarwal
Date : March 29 2020, 07:55 AM
it should still fix some issue The parent process that started code probably exited while the first child was inside of the infinite loop, so keyboard input is no longer received by the child.
You need to keep the parent process up by having it wait for the first child:
code :
if(pid == 0) {
    while(1) {
        pid2 = fork();
        if(pid2 == 0) {
            execlp("sh", "sh", "-c",args, (char *)NULL);
} else {
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