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Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...on
Use Homebrew to install packages that you would otherwise use apt-get for.
The page I linked to has an up-to-date way of installing homebrew, but at present, you can install Homebrew as follows:
Type the following in your Mac OS X terminal:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubuserc...
How to declare array of zeros in python (or an array of a certain size) [duplicate]
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Careful - this technique doesn't generalize to multidimensional arrays or lists of lists. Which leads to the List of lists changes reflected across sublists unexpectedly problem
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Text size and different android screen sizes
...ow, it was discussed already 1000 times, but I can't adjust the text size for different screen sizes. I try to use 'sp' as size units in my custom style:
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
I've been wrestling with this for a while and can't quite figure out what's happening. I have a Card entity which contains Sides (usually 2) - and both Cards and Sides have a Stage. I'm using EF Codefirst migrations and the migrations are failing with this error:
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How do I commit case-sensitive only filename changes in Git?
...d them again. Is there a way that Git can be case-sensitive when checking for changes in file names? I have not made any changes to the file itself.
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
... new copy of Bash. The .profile file is loaded only when you either log in or use the appropriate flag to tell Bash to act as a login shell.
Personally,
I put my PATH setup into a .profile file (because I sometimes use other shells);
I put my Bash aliases and functions into my .bashrc file;
I put...
How to find whether or not a variable is empty in Bash
...ited Oct 30 '19 at 10:57
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Jun 17 '10 at 17:09
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Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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Correct way to define Python source code encoding
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Check the docs here:
"If a comment in the first or second line of the Python script matches the regular expression coding[=:]\s*([-\w.]+), this comment is processed as an encoding declaration"
"The recommended forms of this expression are
# -*- coding: <encoding-name&...