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Stop/Close webcam which is opened by navigator.getUserMedia
I opened a webcam by using the following JavaScript code: navigator.getUserMedia
16 Answers
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Selecting a row of pandas series/dataframe by integer index
I am curious as to why df[2] is not supported, while df.ix[2] and df[2:3] both work.
6 Answers
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Getting the last revision number in SVN?
Using PHP, Perl, or Python (preferably PHP), I need a way to query an SVN database and find out the last revision number sent to SVN. I don't need anything other than that. It needs to be non-intensive (so I do it every 5 minutes as a cron job; SVN's performance should not be affected).
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How do I programmatically get the GUID of an application in .net2.0
I need to access the assembly of my project in C# .NET2.0.
7 Answers
7
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How to diff one file to an arbitrary version in Git?
How can I diff a file, say pom.xml , from the master branch to an arbitrary older version in Git?
13 Answers
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Receive JSON POST with PHP
I’m trying to receive a JSON POST on a payment interface website, but I can’t decode it.
7 Answers
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滚动布局管理器拓展 - ScrollArrangementHandler · App Inventor 2 中文网
...右端事件
when HorizontalScrollHandler1.ReachRightEnd
do
show notification "已到达最右端"
// 垂直滚动事件处理
when VerticalScrollHandler1.ScrollChanged scrollY
do
set Label_VerticalPosition.Text to "垂直位置: " & scrollY
程序控制滚动
// 向右滚动一...
About Android image and asset sizes
I need to clarify some doubt about the image assets for my app,
4 Answers
4
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Maximum length of the textual representation of an IPv6 address?
...t to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER["REM...
Show a number to two decimal places
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You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$foo = "105";
echo number_format((float)$foo, 2, '.', ''); // Outputs -> 105.00
This function returns a string.
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