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Rails mapping array of hashes onto single hash
...PARAM1"=>"testVAL1"}
Reducing an array sort of like sticking a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b ...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...Remove all path parts from generated dest paths.
rename This function is called for each matched src file, (after extension renaming and flattening). The dest and matched src path are passed in, and this function must return a new dest value. If the same dest is returned more than once, each src w...
How to make a floated div 100% height of its parent?
...t;style>
#outer {
position:absolute;
height:auto; width:200px;
border: 1px solid red;
}
#inner {
position:absolute;
height:100%;
width:20px;
border: 1px solid black;
}
</style>
<div id='outer'>
<div...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中）， 在这个函数中调用 uc_api_post('user', 'synlogin', array('uid'=>$uid));之后向UC_API.'/index.php'传递了数据；这里的UC_API就是在 config.inc.php中的定义的uc_server之URL地址。
2、uc_server的index.php接受参数数据，获得model为user，action为synlogin...
How to fix error with xml2-config not found when installing PHP from sources?
...
I'm using centos 6.4, for me the package was called libxml2-devel
– msknapp
May 17 '14 at 19:27
5
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About Python's built in sort() method
...Python's timsort (with graph visualizations!).
(Yes, the algorithm is basically known as Timsort now)
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How do I remove lines between ListViews on Android?
...een items in the same ListView, here is the solution:
getListView().setDivider(null);
getListView().setDividerHeight(0);
developer.android.com # ListView
Or, if you want to do it in XML:
android:divider="@null"
android:dividerHeight="0dp"
...
Check if element is visible in DOM
...oor. I personally will not go for the speed for a routine that is probably called 5/6 times on a page.
– Ethan
Mar 2 '15 at 0:50
2
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How to profile a bash shell script slow startup?
...
It often helps to trace the system calls
strace -c -f ./script.sh
From the manual:
-c Count time, calls, and errors for each system call and report a summary on program exit.
-f Trace child processes ...
This is not exactly what you wa...
Is null reference possible?
...here's some doubt whether "dereferencing a null pointer" should be categorically stated to be undefined behavior. But this isn't one of the cases that raise doubts, since a null pointer certainly does not point to a "valid object or function", and there is no desire within the standards committee to...