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Why doesn't ruby support method overloading?
Instead of supporting method overloading Ruby overwrites existing methods. Can anyone explain why the language was designed this way?
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Numpy: find first index of value fast
...he index of the first occurrence of a number in a Numpy array?
Speed is important to me. I am not interested in the following answers because they scan the whole array and don't stop when they find the first occurrence:
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Removing projects in Sublime Text 2 and 3
...ime Text removed projects you've deleted from the recent projects list. Unfortunately, it does not and the list can become littered with projects that no longer exist.
Until Sublime Text offers this feature there are a couple of manual ways you can remove projects.
Option 1: The quick way (Clear A...
JavaScript data formatting/pretty printer
...d a way to pretty print a JavaScript data structure in a human-readable form for debugging.
15 Answers
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Calculating text width
...
This worked better for me:
$.fn.textWidth = function(){
var html_org = $(this).html();
var html_calc = '<span>' + html_org + '</span>';
$(this).html(html_calc);
var width = $(this).find('span:first').width();
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How do I disable orientation change on Android?
I have an application that I just would like to use in portrait mode, so I have defined
android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well).
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Get int value from enum in C#
...ast the enum, e.g.
int something = (int) Question.Role;
The above will work for the vast majority of enums you see in the wild, as the default underlying type for an enum is int.
However, as cecilphillip points out, enums can have different underlying types.
If an enum is declared as a uint, lon...
How can I add a class to a DOM element in JavaScript?
How do I add a class for the div ?
10 Answers
10
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Opening the Settings app from another app
...n] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
Prior to iOS 8:
You can not. As you said this has been covered many times and that pop up asking you to turn on location services is supplied by Apple and not by the App itself. That is why it is able to the open the settings a...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网移动版 - 专注IT技能提升
... V为顶点集, E为边集
O(|V|^2)
O(|V|^2)
O(|V|)
Bellman-Ford最短路径算法
图G(V,E), V为顶点集, E为边集
O(|V||E|)
O(|V||E|)
O(|V|)
排序算法(来源)
算法
数据结构
时间复杂度
辅助空间复杂度
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