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How to find the files that are created in the last hour in unix
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216
If the dir to search is srch_dir then either
$ find srch_dir -cmin -60 # change time
or
$ ...
Convert Elixir string to integer or float
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Ronan Boiteau
7,52566 gold badges2828 silver badges4343 bronze badges
answered Mar 22 '14 at 14:27
José ValimJosé Va...
Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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C# - What does the Assert() method do? Is it still useful?
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201
In a debug compilation, Assert takes in a Boolean condition as a parameter, and shows the erro...
Scala best way of turning a Collection into a Map-by-key?
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234
You can use
c map (t => t.getP -> t) toMap
but be aware that this needs 2 traversals....
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2015-4-26 14:29 编辑
一、安装MySQL
目前web服务器已经很少有跑静态页面的，如果要跑动态网站那当然就离不开数据库，虽然在以前文章中有写MySQL是怎么安装的，但是感觉好久没...
Push git commits & tags simultaneously
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Update August 2020
As mentioned originally in this answer by SoBeRich, and in my own answer, as of git 2.4.x
git push --atomic origin <branch name> <tag>
(Note: this actually work with HTTPS only with Git 2.24)
Update May 2015...
How to empty a Heroku database
...eed) into one action by executing this:
$ heroku run rake db:setup
Edit 2014-04-18: rake db:setup doesn't work with Rails 4, it fails with a Couldn't create database error.
Edit 2014-10-09: You can use rake db:setup with Rails 4. It does give you a Couldn't create database error (because the dat...
Unnamed/anonymous namespaces vs. static functions
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The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the static keyword is
deprecated when declaring objects in a
namespace scope, the unnamed-namespace
provides a superior alternative.
Static only applies to names of objects, functions, and anonym...
Can I use a binary literal in C or C++?
...le itoa function, or implement your own.
Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boost/ut...