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strdup() - what does it do in C?
... However, functions starting with str and a lower case letter are reserved by the standard for future directions. From C11 7.1.3 Reserved identifiers:
Each header declares or defines all identifiers listed in its associated sub-clause, and *optionally declares or defines identifiers listed in it...
What goes into your .gitignore if you're using CocoaPods?
... X are you using" can be very annoying. Here is a good discussion of the ruby Gemfile equivalent: yehudakatz.com/2010/12/16/…
– Matt Connolly
Mar 4 '13 at 11:27
13
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Design Pattern for Undo Engine
...of all the commands that have been executed and you can roll them back one by one.
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What are Vertex Array Objects?
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"Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names.
Think of it as a geometry object. (As an old time SGI Performer programmer, I call them geosets.) The instance variables/members of the object are your vertex pointer, normal p...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...here are raw string literals, which are exactly the string literals marked by an 'r' before the opening quote.
A "raw string literal" is a slightly different syntax for a string literal, in which a backslash, \, is taken as meaning "just a backslash" (except when it comes right before a quote that ...
Format timedelta to string
... You don't need the str call there, it will be done automatically by print.
– Zitrax
Feb 14 '14 at 7:49
5
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Curly braces in string in PHP
...he var named $name: {${$name}}";
echo "This is the value of the var named by the return value of getName(): {${getName()}}";
echo "This is the value of the var named by the return value of \$object->getName(): {${$object->getName()}}";
// Won't work, outputs: This is the return value of get...
Why do people say there is modulo bias when using a random number generator?
...ay RAND_MAX is 10 and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()%3 does not produce the numbers between 0 and 2 with equal probability!
When rand() returns 0, 3, 6, or 9, rand()%3 == 0. Therefore, P(0) = 4/11
When rand() returns 1, 4, 7, or 10, rand(...
Unlink of file failed
...g an open file.
This has been corrected.
See commit 5bdece0 (15 Dec 2018) by Johannes Schindelin (dscho).
(Merged by Junio C Hamano -- gitster -- in commit 5104f8f, 18 Jan 2019)
gc/repack: release packs when needed
On Windows, files cannot be removed nor renamed if there are still handle...
Why is semicolon allowed in this python snippet?
...yword and ends with a
colon. A suite is a group of statements controlled by a clause. A
suite can be one or more semicolon-separated simple statements on the
same line as the header, following the header’s colon, or it can be
one or more indented statements on subsequent lines. Only the la...