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How to output numbers with leading zeros in JavaScript [duplicate]
I can round to x amount of decimal places with math.round but is there a way to round left of the decimal? for example 5 becomes 05 if I specify 2 places
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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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What's the difference between “groups” and “captures” in .NET regular expressions?
...about it. Here's what the famous Jeffrey Friedl has to say about it (pages 437+):
Depending on your view, it either adds
an interesting new dimension to the
match results, or adds confusion and
bloat.
And further on:
The main difference between a Group
object and a Capture object i...
How to do multiple arguments to map function where one remains the same in python?
Lets say we have a function add as follows
15 Answers
15
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How to refresh app upon shaking the device?
I need to add a shake feature that will refresh my Android application.
16 Answers
16
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Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
...教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
Generating random numbers in Objective-C
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-1. You need to seed the random number generator or you will get the same pattern of numbers on each execution.
– Ale...
Show/Hide the console window of a C# console application
I googled around for information on how to hide one’s own console window. Amazingly, the only solutions I could find were hacky solutions that involved FindWindow() to find the console window by its title . I dug a bit deeper into the Windows API and found that there is a much better and easier...
How do I check if a variable exists in a list in BASH
I am trying to write a script in bash that check the validity of a user input.
I want to match the input (say variable x ) to a list of valid values.
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Do you get charged for a 'stopped' instance on EC2? [closed]
Bit confused here, I have an on-demand instance but do I get charged even when I stop the instance?
4 Answers
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