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In Vim, I'd like to go back a word. The opposite of `w`
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What's the difference between b and B? Or w and W? Behavior seems the same.
– Casey Patton
Oct 11 '13 at 19:48
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Postgresql SELECT if string contains
...CT id FROM TAG_TABLE WHERE 'aaaaaaaa' ~ tag_name;
Worth reading through Difference between LIKE and ~ in Postgres to understand the difference.
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Looping a video with AVFoundation AVPlayer?
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You can get a Notification when the player ends. Check AVPlayerItemDidPlayToEndTimeNotification
When setting up the player:
ObjC
avPlayer.actionAtItemEnd = AVPlayerActionAtItemEndNone;
[[NSNotificationCenter defaultCenter] addObserve...
Smart pointers: who owns the object? [closed]
...r, it knows that the pointed object won't be destroyed during the child's lifetime, and has no ownership to it. Both the contained and container objects agree to a clear set of rules. If you use a naked pointer, the rules can be documented, but won't be enforced by the compiler and the code.
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Hand Coded GUI Versus Qt Designer GUI [closed]
...oing everything by hand henceforth.
Qt4
Qt4 has improved on Designer significantly. No longer does it only generate code, but you can dynamically load in your Designer files (in xml) and dynamically connect them to the running objects in your program -- no generated code however, you do have to na...
Is there StartsWith or Contains in t sql with variables?
I am trying to detect if the server is running Express Edition.
3 Answers
3
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How do I create 7-Zip archives with .NET?
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If you can guarantee the 7-zip app will be installed (and in the path) on all target machines, you can offload by calling the command line app 7z. Not the most elegant solution but it is the least work.
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Automatically deleting related rows in Laravel (Eloquent ORM)
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This doesn't cascade it further though. For example if Photos has tags and you do the same in Photos model (i.e. on deleting method: $photo->tags()->delete();) it never gets trigger. But if I make it a for loop and do something like for($user->photos as $photo) { $pho...
Calculate number of hours between 2 dates in PHP
How do I calculate the difference between two dates in hours?
16 Answers
16
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How to get the current directory in a C program?
...io.h>
#include <limits.h>
int main() {
char cwd[PATH_MAX];
if (getcwd(cwd, sizeof(cwd)) != NULL) {
printf("Current working dir: %s\n", cwd);
} else {
perror("getcwd() error");
return 1;
}
return 0;
}
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