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How to loop backwards in python? [duplicate]
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for x in reversed(whatever):
do_something()
This works on basically everything that has a defined order, including xrange objects and lists.
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How to open multiple pull requests on GitHub
...our branch first!)
And it will open a new pull request on GitHub for "YOUR_USER:feature".
If you've already created an issue on GitHub, you can even attach a pull request to that existing issue (something you can't do from the web UI):
$ git pull-request -i 123
[ attached pull request to issue #1...
Looking to understand the iOS UIViewController lifecycle
...nd viewDidLayoutSubviews go on this flowchart?
– Max_Power89
Dec 18 '14 at 16:40
7
This diagram ...
What is the Java equivalent of PHP var_dump?
PHP has a var_dump() function which outputs the internal contents of an object, showing an object's type and content.
11 An...
C/C++ line number
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You should use the preprocessor macro __LINE__ and __FILE__. They are predefined macros and part of the C/C++ standard. During preprocessing, they are replaced respectively by a constant string holding an integer representing the current line number and by the cu...
Check a radio button with javascript
...identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
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How do you install Boost on MacOS?
...st.org/users/download/#live
Unpack and go into the directory:tar -xzf boost_1_50_0.tar.gz
cd boost_1_50_0
Configure (and build bjam):
./bootstrap.sh --prefix=/some/dir/you/would/like/to/prefix
Build:
./b2
Install:./b2 install
Depending on the prefix you choose in Step 3, you might need to sudo S...
Finding a branch point with Git?
...rom the list, but this isn't the simplest way.
– Matt_G
Feb 9 '18 at 16:40
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How to use Morgan logger?
...o do logging in the way that servers like Apache and Nginx log to the error_log or access_log. For reference, this is how you use morgan:
var express = require('express'),
app = express(),
morgan = require('morgan'); // Require morgan before use
// You can set morgan to lo...
How can I manually generate a .pyc file from a .py file
...ividual files(s) from the command line with:
python -m compileall <file_1>.py <file_n>.py
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