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How do I grab an INI value within a shell script?
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This is not really a good solution. Think of having 2 [parameters.ini] sections with each having a ' database_version' variable. You get the value twice then.
– nerdoc
May 26 '15 at 12:19
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Right query to get the current number of connections in a PostgreSQL DB
...ence.
Both queries are based on exactly the same data, so they will be equally accurate.
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How to differ sessions in browser-tabs?
...f I store information in the user session, this information is shared from all the tabs from the same browser. How to differ sessions in the browser-tabs?
In this example:
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JavaScript: Overriding alert()
...the func and ensure it doesn't get tampered with!
– Josh Stodola
Nov 13 '09 at 15:15
15
Ugh! appl...
How do you run a command for each line of a file?
...teractive processing (sample)
Regarding the OP request: running chmod on all targets listed in file, xargs is the indicated tool. But for some other applications, small amount of files, etc...
Read entire file as command line argument.
If your file is not too big and all files are well named (w...
Split string with delimiters in C
...tr + strlen(a_str) - 1);
/* Add space for terminating null string so caller
knows where the list of returned strings ends. */
count++;
result = malloc(sizeof(char*) * count);
if (result)
{
size_t idx = 0;
char* token = strtok(a_str, delim);
whi...
What is the difference between NULL, '\0' and 0?
...0 has different meanings depending upon the context in which it's used. In all cases, it is still an integer constant with the value 0, it is just described in different ways.
If a pointer is being compared to the constant literal 0, then this is a check to see if the pointer is a null pointer. Thi...
Compare two dates with JavaScript
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@patrick, suggest calling setHours(0,0,0,0) this way. Eliminates the need for calling setMinutes() etc. Also, executes faster.
– Karl
Nov 16 '12 at 21:32
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iOS Detection of Screenshot?
...onger true. Apple has made it so touchesCancelled:withEvent: is no longer called when the user takes a screenshot.
This would effectively break Snapchat entirely, so a couple betas in a new solution was added. Now, the solution is as simple as using NSNotificationCenter to add an observer to UIApp...
How can I select every other line with multiple cursors in Sublime Text?
...t already enabled, enable them: Alt+R
Type in the expression .*\n.*\n
Find all: Alt+Enter
Press left arrow to get rid of the selections, leaving just the cursors: ←
You now have a cursor at the start of every odd-numbered line. If you wanted even-numbered lines, press down: ↓
Depending on the fi...