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How to prevent multiple instances of an Activity when it is launched with different Intents
...from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leading to multiple copies of the same Activity being launched, which are conflicting with each other.
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Looking to understand the iOS UIViewController lifecycle
...d when you create the class and load from xib. Great for initial setup and one-time-only work.
ViewWillAppear - Called right before your view appears, good for hiding/showing fields or any operations that you want to happen every time before the view is visible. Because you might be going back and f...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...n use the function tz_localize to make a Timestamp or DateTimeIndex timezone aware, but how can you do the opposite: how can you convert a timezone aware Timestamp to a naive one, while preserving its timezone?
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How is the default submit button on an HTML form determined?
...m via Javascript (i.e. formElement.submit() or anything equivalent), then none of the submit buttons are considered successful and none of their values are included in the submitted data. (Note that if you submit the form by using submitElement.click() then the submit that you had a reference to is...
Add CSS or JavaScript files to layout head from views or partial views
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The question specifically mentioned partial view and this highest rated answer doesn't address the issue! This may be an excellent solution for another query, but not this one.
– vulcan raven
May 3 '13 at 5:26
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Why is char[] preferred over String for passwords?
...n kicks in.
With an array, you can explicitly wipe the data after you're done with it. You can overwrite the array with anything you like, and the password won't be present anywhere in the system, even before garbage collection.
So yes, this is a security concern - but even using char[] only reduc...
How do I print a list of “Build Settings” in Xcode project?
...Example
PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
LANG en_US.US-ASCII
IPHONEOS_DEPLOYMENT_TARGET 4.1
ACTION ...
How do I do a case-insensitive string comparison?
...n’t always work. Consider for exanmple that there are two Greek sigmas, one only used at the end. The string Σίσυφος (“Sísyphos”, or better “Síſyphos”) has all three: uppercase at the front, lowercase final at the end, and lowercase nonfinal at the third position. If your two ...
How do I execute a command and get the output of the command within C++ using POSIX?
...ld is blocked waiting for stderr to be read. resource deadlock! At least one of those loops would be better as asynchronous (i.e., threaded).
– Jesse Chisholm
Dec 17 '15 at 16:54
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How do you set, clear, and toggle a single bit?
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why don't you change the last one to bit = (number >> x) & 1
– aaronman
Jun 26 '13 at 18:47
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