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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ve as a template for a general rotation detector component that can be modified to fulfill specific requirements.
The implementation approach for multitouch here follows Using App Inventor extensions to implement multitouch: Scale Detector, which contains a more detailed explanation of the techni...
Can I store the .git folder outside the files I want tracked?
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This will do what you want but will obviously suck when you have to specify it with every git command you ever use.
You can export GIT_WORK_TREE=. and GIT_DIR=../backup and Git will pick them up on each command. That will only comfortably allow you to work in a single repository per shell, thoug...
What are the underlying data structures used for Redis?
...ur question, but I'll start with something that may look strange at first: if you are not interested in Redis internals you should not care about how data types are implemented internally. This is for a simple reason: for every Redis operation you'll find the time complexity in the documentation and...
Set width of a “Position: fixed” div relative to parent div
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I´m not sure as to what the second problem is (based on your edit), but if you apply width:inherit to all inner divs, it works: http://jsfiddle.net/4bGqF/9/
You might want to look into a javascript solution for browsers that you need to support and that don´t support width:inherit
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Reading a List from properties file and load with spring annotation @Value
... using. Copied the Spring EL exactly as in the post and it works. What is different though is if I make an error in my EL I get a org.springframework.expression.spel.SpelEvaluationException exception and not javax.el.ELException. Is your objected created by Spring?
– Wilhelm Kl...
Add a tooltip to a div
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One thing to watch out for with a title tool tip is if the user click on the the your div the tooltip won't appear. This can be very frustrating... especially if your div looks like it should be clicked. eg: style="cursor: pointer;"
– RayLoveless
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How can I assign an ID to a view programmatically?
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Android id overview
An Android id is an integer commonly used to identify views; this id can be assigned via XML (when possible) and via code (programmatically.) The id is most useful for getting references for XML-defined Views generated by an Inflater (such as by using setContentView.)
Assig...
Maven command to determine which settings.xml file Maven is using
...not show this important detail when the -B flag was used. ... Unfortunate, if you're trying to debug what is going on with a Jenkins server.
– Cognitiaclaeves
Aug 12 '19 at 19:13
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Perform Segue programmatically and pass parameters to the destination view
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The answer is simply that it makes no difference how the segue is triggered.
The prepareForSegue:sender: method is called in any case and this is where you pass your parameters across.
sh...
The program can't start because libgcc_s_dw2-1.dll is missing
...blem by adding "-static-libgcc -static-libstdc++" to your compiler flags.
If you plan to distribute the executable, the latter probably makes the most sense. If you only plan to run it on your own machine, the changing the PATH environment variable is an attractive option (keeps down the size of t...