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Simple C example of doing an HTTP POST and consuming the response
...rintf */
#include <stdlib.h> /* exit */
#include <unistd.h> /* read, write, close */
#include <string.h> /* memcpy, memset */
#include <sys/socket.h> /* socket, connect */
#include <netinet/in.h> /* struct sockaddr_in, struct sockaddr */
#include <netdb.h> /* stru...
Reading a delimited string into an array in Bash
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In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<< $line
It is crucial not to use quotes since this does the trick.
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How to get an MD5 checksum in PowerShell
...$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath)))
Starting in PowerShell version 4, this is easy to do for files out of the box with the Get-FileHash cmdlet:
Get-FileHash <filepath> -Algorithm MD5
This is certainly preferable since ...
Is it possible to use jQuery to read meta tags
Is it possible to use jQuery to read meta tags. If so do you know what the basic structure of the code will be, or have links to any tutorials.
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Jsoup SocketTimeoutException: Read timed out
..., the default timeout for an org.jsoup.Connection is 30 seconds.
As has already been mentioned, this can be set using timeout(int millis)
Also, as the OP notes in the edit, this can also be set using timeout(0). However, as the javadocs state:
A timeout of zero is treated as an infinite timeou...
Multiprocessing - Pipe vs Queue
...ssed here
return args[0]['that']
except:
print "FATAL: reader({0}) exited while multiprocessing".format(args)
traceback.print_exc()
Now, when you find a crash you see something like:
FATAL: reader([{'crash': 'this'}]) exited while multiprocessing
Traceback (most recen...
What GRANT USAGE ON SCHEMA exactly do?
...Postgres database, so this is probably a stupid question. I assigned basic read-only permissions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute
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Purpose of Unions in C and C++
I have used unions earlier comfortably; today I was alarmed when I read this post and came to know that this code
15 Ans...
What does “atomic” mean in programming?
... and a second one which writes the last 32 bits. That means that another thread might read the value of foo, and see the intermediate state.
Making the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single...
How to read last commit comment?
Often during a commit ( $ git -commit -m "" ), I wish to read my last comment to remember what progress I have made. Is there an easy way to directly access the last commit message through command-line? (I'm using Windows.)
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