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How is malloc() implemented internally? [duplicate]
...c really gives memory segments back to the kernel with that method). Aside from that, there's also mmap which is used to map files into memory but is also used to allocate memory (if you need to allocate shared memory, mmap is how you do it).
So you have two methods of getting more memory from the ...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... blend it with a second color, and can also pass it right thru but convert from Hex to RGB (Hex2RGB) or RGB to Hex (RGB2Hex). All without you even knowing what color format you are using.
This runs really fast, probably the fastest, especially considering its many features. It was a long time in the...
Difference between 'new operator' and 'operator new'?
...hat allocates raw memory -- at least conceptually, it's not much different from malloc(). Though it's fairly unusual unless you're writing something like your own container, you can call operator new directly, like:
char *x = static_cast<char *>(operator new(100));
It's also possible to ove...
PhoneGap: Detect if running on desktop browser
...do the job for 98% of the cases.
/**
* Determine whether the file loaded from PhoneGap or not
*/
function isPhoneGap() {
return (window.cordova || window.PhoneGap || window.phonegap)
&& /^file:\/{3}[^\/]/i.test(window.location.href)
&& /ios|iphone|ipod|ipad|android/i...
Error: «Could not load type MvcApplication»
...ing worked. Turned out that I had copied the source code of global.asax.cs from a previous version of the project which had a different name. So the namespace Test should have been namespace Test.WebUI. A silly mistake of course and am a bit embarrassed to write this! But writing in the hope that a ...
git + LaTeX workflow
...changes have been made to each chapter, instead of having to figure it out from the logs of one big file.
Using Git efficiently:
Use branches!. There is perhaps no better advice I can give. I've found branches to be very helpful to keep track of "different ideas" for the text or for "different st...
Django template how to look up a dictionary value with a variable
...
Write a custom template filter:
from django.template.defaulttags import register
...
@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will...
Lodash - difference between .extend() / .assign() and .merge()
...s no recursive traversal of their properties. Entire object would be taken from source and set in to destination.
Here's how merge works: For each property in source, check if that property is object itself. If it is then go down recursively and try to map child object properties from source to des...
Install Node.js on Ubuntu
... software-properties-common
As of Node.js v0.10.0, the nodejs package from Chris Lea's repo
includes both npm and nodejs-dev.
Don't give sudo apt-get install nodejs npm just sudo apt-get install nodejs
share
...
Fixing slow initial load for IIS
... the app pool will also recycle by default every 1740 minutes (29 hours).
From technet:
Internet Information Services (IIS) application pools can be
periodically recycled to avoid unstable states that can lead to
application crashes, hangs, or memory leaks.
As long as app pool recycling i...