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How can I shuffle an array? [duplicate]
...hout having it show up in loops such as for (i in arr). The following will allow you to call arr.shuffle() to shuffle the array arr:
Object.defineProperty(Array.prototype, 'shuffle', {
value: function() {
for (let i = this.length - 1; i > 0; i--) {
const j = Math.floor(Ma...
What happens when there's insufficient memory to throw an OutOfMemoryError?
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The JVM never really runs out of memory. It does memory computation of the heap stack in advance.
The Structure of the JVM, Chapter 3, section 3.5.2 states:
If Java virtual machine stacks can be dynamically expanded, and expansion is...
How to write log to file
... answered Nov 13 '13 at 22:56
Allison AAllison A
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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
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And it is called "Block Selection Mode" in Kate, if you, like me, were searching for it in the Edit menu.
– ReneSac
Apr 19 '15 at 20:52
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How to tell git to use the correct identity (name and email) for a given project?
...hat one inside a repo will set the configuration on THAT repo, and not globally.
Seems like that's pretty much what you're after, unless I'm misreading you.
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How to rollback a specific migration?
...nt to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the ...
How to escape JSON string?
...r deserializing - rater it is used when you want to create a JSON text manually and you have a C# string and need to gets its proper representation as a text.
– Dror Harari
Dec 30 '14 at 22:50
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How can I check if a key exists in a dictionary? [duplicate]
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if key in array:
# do something
Associative arrays are called dictionaries in Python and you can learn more about them in the stdtypes documentation.
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Backbone.View “el” confusion
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A views el is where all the event binding takes place. You don't have to use it but if you want backbone to fire events you need to do your rendering work on the el. A views el is a DOM element but it does not have to be a pre-existing element. ...
两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...标准，但是 Windows 10 更新中的特性和功能是否足以和 OS X Yosemite 竞争？
全新 Windows 10 操作系统已经在 7 月 29 日正式发布。就和移动行业中的 iOS 和 Android 操作系统一样，新版本一出都免不了被互相比较的命运。今天我们...