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How can I validate a string to only allow alphanumeric characters in it?
How can I validate a string using Regular Expressions to only allow alphanumeric characters in it?
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How to use ADB to send touch events to device using sendevent command?
I am trying to send touch events to a device using AndroidDebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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What does $$ mean in the shell?
I once read that one way to obtain a unique filename in a shell for temp files was to use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Does a const reference class member prolong the life of a temporary?
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How to get year/month/day from a date object?
alert(dateObj) gives Wed Dec 30 2009 00:00:00 GMT+0800
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Why are Perl 5's function prototypes bad?
In another Stack Overflow question Leon Timmermans asserted:
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Display open transactions in MySQL
I did some queries without a commit. Then the application was stopped.
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How to use git bisect?
I have read some articles saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
I want to set the upper limit of the y-axis to 'auto', but I want to keep the lower limit of the y-axis to always be zero. I tried 'auto' and 'autorange', but those don't seem to work. Thank you in advance.
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How to stop a JavaScript for loop?
I'm using this JavaScript to iterate through an array and find a matching array element:
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