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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...
Open multiple Eclipse workspaces on the Mac
...he officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though.
Open the command line (Terminal)
Navigate to your Eclipse installation folder, for instance:
cd /Applications/eclipse/
cd /Developer/Eclip...
REST API Token-based Authentication
...
Let me seperate up everything and solve approach each problem in isolation:
Authentication
For authentication, baseauth has the advantage that it is a mature solution on the protocol level. This means a lot of "might crop up later" problems are already ...
How to replace (or strip) an extension from a filename in Python?
...
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...
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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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) -
...
How to measure time in milliseconds using ANSI C?
...nction only measures the amount of time that a process has spent executing and is not accurate on many systems.
You can use this function like this:
struct timeval tval_before, tval_after, tval_result;
gettimeofday(&tval_before, NULL);
// Some code you want to time, for example:
sleep(1);
g...
HTML for the Pause symbol in audio and video control
...ich could be considered adequate replacements, including:
| | - two standard (bolded) vertical bars.
▋▋ - ▋ and another▋
▌▌ - ▌ and another▌
▍▍ - ▍ and another▍
▎▎ - ▎ and another▎
❚❚ - &...
How do I use vimdiff to resolve a git merge conflict?
I just merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conf...
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,
...