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How to know what the 'errno' means?
...s useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include <string.h>
/* ... */
if(read(fd, buf, 1)==-1) {
printf("Oh dear, something went wrong with read()! %s\n", strerror(errno));
}
Linux also supp...
How to set timer in android?
...
ok since this isn't cleared up yet there are 3 simple ways to handle this.
Below is an example showing all 3 and at the bottom is an example showing just the method I believe is preferable. Also remember to clean up your tasks in onPause, saving state if necessary.
import java.util.T...
How to merge 2 List and removing duplicate values from it in C#
I have two lists List that I need to combine in third list and remove duplicate values from that lists
5 Answers
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How can I get browser to prompt to save password?
...ound a complete solution for this question. (I've tested this in Chrome 27 and Firefox 21).
There are two things to know:
Trigger 'Save password', and
Restore the saved username/password
1. Trigger 'Save password':
For Firefox 21, 'Save password' is triggered when it detects that there is a ...
Hidden Features of Xcode
...h a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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Is there a good reason to use upper case for SQL keywords? [closed]
...owercase with database object names MixedCase.
It is much easier to read, and literals and comments stand out.
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'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...en here.
Here's a helpful website that creates an icon for iOS, Mac App and Android app.
You just need to drag and drop your 1024 x 1024 icon and the site will create all the icon sizes and send it to your email. Then follow the following method to set icons for iOS app.
After Apple launched iO...
Which one will execute faster, if (flag==0) or if (0==flag)?
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I haven't seen any correct answer yet (and there are already some) caveat: Nawaz did point out the user-defined trap. And I regret my hastily cast upvote on "stupidest question" because it seems that many did not get it right and it gives room for a nice discussio...
sql server #region
can i create regions in sql server editor (like #region and #endregion in C#) ?
8 Answers
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Facebook Open Graph not clearing cache
...s caching old values of my meta tags. Old values for Attributes og:title and og:url are still used, even though I have changed them already.
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