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Ruby's ||= (or equals) in JavaScript?
...by's ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something:
6 Answers
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How and/or why is merging in Git better than in SVN?
...tributed version control systems shine, is much better merging than in traditional tools like SVN.
Is this actually due to inherent differences in how the two systems work, or do specific DVCS implementations like Git/Mercurial just have cleverer merging algorithms than SVN?
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What does the Reflect object do in JavaScript?
...tp://people.mozilla.org/~jorendorff/es6-draft.html#sec-reflect-object and it sounds similar to the Proxy object apart from the realm and loader functionality.
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Android WebView style background-color:transparent ignored on android 2.2
I'm struggling to create a WebView with transparent background.
22 Answers
22
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Is there a difference between “==” and “is”?
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True
# Make a new copy of list `a` via the slice operator,
# and assign it to variable `b`
>>> b = a[:]
>>> b is a
False
>>> b == a
True
In your case, the second test only works because Python caches small integer objects, which is an implementation detail. For large...
App Inventor 2 扩展 · App Inventor 2 中文网
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App Inventor 2 扩展
Initial Release 1.0 (Introduced as part of MIT App Inventor Release nb149)
DRAFT: September 27, 2015
Updated: June 9, 2017
Updated: May 17, 2021
sample extensions are at: MIT App Inventor Extension
source code for sample e...
Determine a user's timezone
...a standard way for a web server to be able to determine a user's timezone within a web page?
24 Answers
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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...pt.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to use it.
Description
To use either VBScr...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...pt.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to use it.
Description
To use either VBScr...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...pt.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's visual basic! In this article, I would like to remove those frontiers and give some new reasons for C++ developers to use it.
Description
To use either VBScr...