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乐高机器人®组件 · App Inventor 2 中文网
... Specifies the bottom of the range used for the BelowRange, WithinRange,
and AboveRange events.
ColorChangedEventEnabled
Specifies whether the ColorChanged event should fire when the DetectColor
property is set to True and the detected color changes
Mode
The current mode of the sensor. On...
How do I remove newlines from a text file?
I have the following data, and I need to put it all into one line.
19 Answers
19
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In PyCharm, how to go back to last location?
...gt; Back
There is an option Back in the section Actions
Ctrl + Shift + A
And then the cursor comes back
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Virtual Memory Usage from Java under Linux, too much memory used
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This has been a long-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here...
Pip install Matplotlib error with virtualenv
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Building Matplotlib requires libpng (and freetype, as well) which isn't a python library, so pip doesn't handle installing it (or freetype).
You'll need to install something along the lines of libpng-devel and freetype-devel (or whatever the equivalent is for...
How to view or edit localStorage
I created a Chrome extension and am using localStorage for storing data.
5 Answers
5
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
... collected this info from a Windows 10 x64 box. I'm just going to go ahead and dump all of these redist versions and the reg keys I search for to detect installation.:
Visual C++ 2005
Microsoft Visual C++ 2005 Redistributable (x64)
Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\1af2a8da7...
How to solve “Fatal error: Class 'MySQLi' not found”?
I am doing a tutorial and am getting this error:
22 Answers
22
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Android Studio: Default project directory
Whenever I create a new project in Android Studio it wants to put it in a generic default folder at a location something similar to (dependent on OS - Ubuntu here):
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iPhone/iOS JSON parsing tutorial [closed]
... application that calls a webserver/webservice, retrieves a JSON response, and uses that response to populate the rows of a UITableView (assuming it converts the JSON into an NSArray first).
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