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Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...
Restore the state of std::cout after manipulating it
...//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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How to replace (or strip) an extension from a filename in Python?
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Expanding on AnaPana's answer, how to remove an extension using pathlib (Python >= 3.4):
>>> from pathlib import Path
>>> filename = Path('/some/path/somefile.txt')
>>> filename_wo_ext = filename...
mongod, mac os x - rlimits warning [closed]
I've been using mongo on my mac os x 10.8 and suddenly yesterday at my logs appeared this warning (and when starting shell it's present too) -
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy.
MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it.
If you are a PHP developer you can install the last version of Apache (Mac OS X uses 2.2), PH...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
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How to configure postgresql for the first time?
I have just installed postgresql and I specified password x during installation.
When I try to do createdb and specify any password I get the message:
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Django, creating a custom 500/404 error page
...in views.py add your own custom implementation of the following two views, and just set up the templates 404.html and 500.html with what you want to display.
With this solution, no custom code needs to be added to urls.py
Here's the code:
from django.shortcuts import render_to_response
from djang...
What and where are the stack and heap?
...amming language books explain that value types are created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But,
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Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
...from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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