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Proper stack and heap usage in C++?
I've been programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap.
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Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
Check free disk space for current partition in bash
I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
...n a size larger for a structure than the total sizes of the structure's members?
12 Answers
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How to change the default GCC compiler in Ubuntu?
I have installed gcc-3.3/g++-3.3 on ubuntu 11.04 which already has gcc/g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
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How do you find the current user in a Windows environment?
When running a command-line script, is it possible to get the name of the current user?
13 Answers
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Is there a performance difference between i++ and ++i in C?
Is there a performance difference between i++ and ++i if the resulting value is not used?
14 Answers
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Does :before not work on img elements?
I'm trying to use the :before selector to place an image over another image, but I'm finding that it simply doesn't work to place an image before an img element, only some other element. Specifically, my styles are:
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What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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UltiSnips and YouCompleteMe
... is that ultisnips doesn't work because tab is bound by ycm.
I tried putting let g:UltiSnipsExpandTrigger = "<s-tab>" so that I can trigger the snippet completion with shift-tab, but it doesn't work for some unknown reason. I could use caps as the trigger, but so far I've found no way to do ...