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Is it good practice to NULL a pointer after deleting it?

...ce of code. While a segfault is usually better than silently ignoring the error, the segfault isn't guaranteed in this case, and it's of questionable utility. – Adam Rosenfield Dec 18 '09 at 23:10 ...
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Maven: Failed to read artifact descriptor

... @AaronDigulla It's that dialog box which is causing the error for me. – Jeroen Apr 13 '14 at 21:15 1 ...
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Iterating through directories with Python

...file in files: print os.path.join(subdir, file) If you still get errors when running the above, please provide the error message. Updated for Python3 import os rootdir = 'C:/Users/sid/Desktop/test' for subdir, dirs, files in os.walk(rootdir): for file in files: print(os.pa...
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What does “=>” mean in PHP?

... Your last example has something wrong, since I get the error message Parse error: syntax error, unexpected T_DOUBLE_ARROW in /var/www/cha.php on line 2. – Léo Léopold Hertz 준영 Aug 6 '09 at 22:34 ...
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Execute combine multiple Linux commands in one line

...colons not always works. E.g. ls >/dev/null & ; echo $! triggers an error. – Hi-Angel Nov 6 '14 at 8:52 1 ...
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Using Jasmine to spy on a function without an object

... It worked! I think the error I was making earlier was that I was calling the spyOn with method() instead of method. Thanks! – Chetter Hummin Mar 1 '12 at 8:09 ...
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Programmatically open Maps app in iOS 6

...ly Circus, London, UK" completionHandler:^(NSArray *placemarks, NSError *error) { // Convert the CLPlacemark to an MKPlacemark // Note: There's no error checking for a failed geocode CLPlacemark *geocodedPlacemark = [placemarks objectAtIndex:0]; MKPlacemark ...
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl

I have been unable to overcome this error in Application Loader. I've quit, restarted, tried different computers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it? ...
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?: operator (the 'Elvis operator') in PHP

...the variable in the parenthesis exists though, or you're going to raise an error. PHP will not just assume it having a value of null or anything. Just sayin' – DanMan Aug 13 '15 at 11:10 ...
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Xcode warning: “Multiple build commands for output file”

I am getting an error like this: 23 Answers 23 ...