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Generate random numbers following a normal distribution in C/C++
...ross all platforms. I'm doing the tests now, and MSVC provides a different set of values from, for example, Clang. The C++11 engines seem to generate the same sequences (given the same seed), but the C++11 distributions seem to be implemented using different algorithms on different platforms.
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Can lambda functions be templated?
... a gcc extension which allows lambda templates:
// create the widgets and set the label
base::for_each(_widgets, [] <typename Key_T, typename Widget_T>
(boost::fusion::pair<Key_T, Widget_T*>& pair) -> void {
pair.second = new ...
How do I use the conditional operator (? :) in Ruby?
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A simple example where the operator checks if player's id is 1 and sets enemy id depending on the result
player_id=1
....
player_id==1? enemy_id=2 : enemy_id=1
# => enemy=2
And I found a post about to the topic which seems pretty helpful.
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Continuous Integration for Ruby on Rails? [closed]
...ded up with a thousand options, so the UI is confusing and it's a chore to set up your projects. But once you set it up you get a whole lot of plugins that can pull from most anywhere, run most anything, and report most everything. The OS X Installer points Jenkins at /Users/Shared/Jenkins/Home but ...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
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I followed both Richard Groves and @dklt's set of instructions. It did not work. But I fired the scripts given in this link and it worked like a charm
– Vaishnavi Naidu
Apr 3 '12 at 13:55
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PostgreSQL DISTINCT ON with different ORDER BY
...s:
DISTINCT ON ( expression [, ...] ) keeps only the first row of each set of rows where the given expressions evaluate to equal. [...] Note that the "first row" of each set is unpredictable unless ORDER BY is used to ensure that the desired row appears first. [...] The DISTINCT ON expression(s)...
How to filter Android logcat by application? [duplicate]
...yManager:I MyApp:D *:S
The final element in the above expression, *:S, sets the priority level for all tags to "silent", thus ensuring only log messages with "View" and "MyApp" are displayed.
V — Verbose (lowest priority)
D — Debug
I — Info
W — Warning
E — Error
F — Fatal
S — Si...
Is there a ternary conditional operator in T-SQL?
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How can I calculate the number of lines changed between two commits in git?
Is there any easy way to calculate the number of lines changed between two commits in git?
11 Answers
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What exactly does += do in python?
...ng that also modifies the variable:
-=, subtracts a value from variable, setting the variable to the result
*=, multiplies the variable and a value, making the outcome the variable
/=, divides the variable by the value, making the outcome the variable
%=, performs modulus on the variable, with the...