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Listing only directories using ls in Bash?
...That's happening because there are no subdirectories to list. You get that error anytime you use ls on something that doesn't exist.
– Gordon Davisson
Jul 1 '15 at 0:21
1
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How do I concatenate two strings in C?
... 1); // +1 for the null-terminator
// in real code you would check for errors in malloc here
strcpy(result, s1);
strcat(result, s2);
return result;
}
This is not the fastest way to do this, but you shouldn't be worrying about that now. Note that the function returns a block of heap...
How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?
...ions don't, but then the code that accesses the internet is typically more error checking and such and survives the error conditions (or ought to).
If you did per-program hibernation (without application support), how would you handle open files? What if another process accesses those files in the...
Location Services not working in iOS 8
...
I 'LOVE' that you get no error, no warning, no log message, NOTHING if you leave out the plist entry. Basically Apple has created an API call that does NOTHING if you don't have the appropriate plist entry. Thanks to @OrtwinGentz for figuring this ...
connect local repo with remote repo
....e. have you at some point done git init and made commits and stuff)? That error message means you're not in a repository.
– vergenzt
Jun 25 '12 at 12:01
4
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Understanding slice notation
...[:-2] and a only contains one element, you get an empty list instead of an error. Sometimes you would prefer the error, so you have to be aware that this may happen.
Relation to slice() object
The slicing operator [] is actually being used in the above code with a slice() object using the : notati...
How to programmatically take a screenshot on Android?
... openScreenshot(imageFile);
} catch (Throwable e) {
// Several error may come out with file handling or DOM
e.printStackTrace();
}
}
And this is how you can open the recently generated image:
private void openScreenshot(File imageFile) {
Intent intent = new Intent();
...
What are invalid characters in XML
...s are invalid also. If you try to write 0x03 to an Xml document you get an error typically and if you do manage to properly escape it into an XML document, most viewers will complain about the invalid character. Edge case but it does happen.
– Rick Strahl
Jan 2...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
...
Use Instruments to track down deallocated instance errors. Profile your application (Cmd ⌘+I) and choose Zombies template. After your application is running, try to crash it. You should get something like that:
Click on the arrow next to address in the popover to show ob...
What is the proper way to test if a parameter is empty in a batch file?
...s in the argument, otherwise you will get a …was unexpected at this time error.
– Synetech
Feb 4 '13 at 19:41
14
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