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What happens when a duplicate key is put into a HashMap?
...th the given key in the map (conceptually like an array indexing operation for primitive types).
The map simply drops its reference to the value. If nothing else holds a reference to the object, that object becomes eligible for garbage collection. Additionally, Java returns any previous value ass...
How often should you use git-gc?
...
Manual says "Some git commands run git gc --auto after performing operations that could create many loose objects." Anyone know which commands actually run it?
– Joshua Dance
Jul 8 '14 at 15:36
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Visual SVN 安装及客户端使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...骤：
图1：
图2：
注意：Server Port那里，默认端口有80/81/8080三个；如果最后面的CheckBox被选中，则表示使用安全连接【https协议】，这是的端口只有433/8433二个可用。
图3：
图4：
安装好VisualSVN Server后，运行VisualSVN Serve...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...8.2.2-dev_53a55043254cc5be8ef500331bba25d1b4ca4bc2cd66c555d4358bf672a1f10a:81)
[java] at com.android.tools.r8.utils.R0.a(R8_8.2.2-dev_53a55043254cc5be8ef500331bba25d1b4ca4bc2cd66c555d4358bf672a1f10a:32)
[java] &nbs...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...le, e.g. if you will deploy to another environment later and are afraid of forgetting to manually set them, or if you are ok with committing the values to source control. I use a mix of both.
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Advantages to Using Private Static Methods
...plication, that don't require the use of any instance fields, are there performance or memory advantages to declaring the method as static?
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Forking from GitHub to Bitbucket
... on Bitbucket . Both of them use git . Basically I'd like to create a ‘fork’ (I don't know if I'm using the right terms, since I'm new to git ) of CakePHP in my Bitbucket repository, in order to be able to get the updates without the need to download all the CakePHP zip/tar and replace the fo...
Is putting a div inside an anchor ever correct?
...t; element "may be wrapped around entire paragraphs, lists, tables, and so forth, even entire sections, so long as there is no interactive content within (e.g. buttons or other links)".
HTML 4.01 specifies that <a> elements may only contain inline elements. A <div> is a block element, so...
What's the main difference between int.Parse() and Convert.ToInt32
...e an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.To...
Getting parts of a URL (Regex)
...ate to the party, but there is a simple way to let the browser parse a url for you without a regex:
var a = document.createElement('a');
a.href = 'http://www.example.com:123/foo/bar.html?fox=trot#foo';
['href','protocol','host','hostname','port','pathname','search','hash'].forEach(function(k) {
...