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How to add leading zeros?

...paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but they can be used for that. In the simple case where we always have to prepend a single zero, paste0 is the best solution. paste0("0", anim) ## [1] "025499" "02...
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A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi

...nstaller continued and also Eclipse was able to start flawlessly without those two lines in eclipse.ini. share | improve this answer | follow | ...
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How to connect android emulator to the internet

... go to your Network connections, find your LAN card, right click it and choose disable. Now try your emulator. If you're like me, it suddenly ... works! share | improve this answer | ...
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Sending email with PHP from an SMTP server

...erver that requires SMTP Auth, you really need to specify it, and set the host, username and password (and maybe the port if it is not the default one - 25). For example, I usually use PHPMailer with similar settings to this ones: $mail = new PHPMailer(); // Settings $mail->IsSMTP(); $mail-&gt...
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PHP Session Security

...as to change during the session use, it would be extremely suspicious and most likely an attack. I never said you can use it alone. If you combine it with the other techniques you have a much more secure site. – grom Apr 27 '10 at 23:42 ...
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Warning: push.default is unset; its implicit value is changing in Git 2.0

... The motive is that, empirically, most expect the new default behavior – Blake Miller Jun 15 '13 at 18:53 125 ...
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Does the default constructor initialize built-in types?

... For all practical purposes - no. However for implementations that are technically compliant with the C++ standard, the answer is that it depends whether the object is POD or not and on how you initialize it. According to the C++ standard: MyNo...
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What is a coroutine?

...bles, and its own instruction pointer; but it shares global variables and mostly anything else with other coroutines. The main difference between threads and coroutines is that, conceptually (or literally, in a multiprocessor machine), a program with threads runs several threads in parallel. Corouti...
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How to change the status bar color in Android?

... thanks to the library support-v7-appcompat starting from version 21. Blogpost about support appcompat v21 from Chris Banes Read more about the Material Theme on the official Android Developers website share | ...
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iOS 5 Best Practice (Release/retain?)

...rammer, what is the best practice for writing apps to be used either with iOS 5 or older versions? Specifically, should I continue using the release/retain of data, or should I ignore that? Does it matter? ...