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How is malloc() implemented internally? [duplicate]
... can be expected the heap can get fragmented and the heap manager may from time to time, try to merge adjacent heap cells.
When there is no memory left on the free list for a desired allocation, malloc calls brk or sbrk which are the system calls requesting more memory pages from the operating syste...
Adding Python Path on Windows 7
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The reason that I chose this answer is that most of the time the PATH get's broken because of one of these 4 things. The easy part is doing it correctly, the hard part is noticing when you did it incorrectly!
– grettke
Jan 5 '15 at 1:25
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LINQ Aggregate algorithm explained
...gregate. Note: I haven't prioritized performance here so I iterate several times over the colleciton unnecessarily
First a helper function used to create a sum of quadratic distances:
static double SumOfQuadraticDistance (double average, int value, double state)
{
var diff = (value - average);...
How to solve privileges issues when restore PostgreSQL Database
I have dumped a clean, no owner backup for Postgres Database with the command
10 Answers
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What happens to global and static variables in a shared library when it is dynamically linked?
...at you can only have one definition of the global variable visible at link-time (static or dynamic linking).
So, the key issue here is really visibility.
In all cases, static global variables (or functions) are never visible from outside a module (dll/so or executable). The C++ standard requires ...
Spring schemaLocation fails when there is no internet connection
I am using Spring and in application-context.xml I have the following definitions:
18 Answers
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Why is using the rails default_scope often recommend against?
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To pile on: the only time I found default_scope useful is when you absolutely want to eager load some associations by default. default_scope{eager_load([:category, :comments])} . However!!! If you are doing count query on this model like Produ...
Python 3 turn range to a list
I'm trying to make a list with numbers 1-1000 in it. Obviously this would be annoying to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
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Visual List of iOS Fonts?
...enir Next Condensed", "Tamil Sangam MN", "Helvetica Neue", "Gurmukhi MN", "Times New Roman", "Georgia", "Apple Color Emoji", "Arial Rounded MT Bold", "Kailasa", "Kohinoor Devanagari", "Kohinoor Bangla", "Chalkboard SE", "Sinhala Sangam MN", "PingFang TC", "Gujarati Sangam MN", "Damascus", "Noteworth...