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Android get free size of internal/external memory
...izeInBytes=file.getFreeSpace();
API 18 and above (not needed if previous one is ok) :
long availableSizeInBytes=new StatFs(file.getPath()).getAvailableBytes();
To get a nice formatted string of what you got now, you can use:
String formattedResult=android.text.format.Formatter.formatShortFile...
Python hashable dicts
... of the __key method (in practice either approach should work, though this one might be slowed down by making an unneeded itermediate list -- fixable by s/items/iteritems/ -- assuming Python 2.* as you don't say;-).
– Alex Martelli
Jul 20 '09 at 4:48
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When should I use perror(“…”) and fprintf(stderr, “…”)?
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One detail, strerror is not required to be thread-safe. It's stupid, but that's the standard. strerror_l can be used instead as a drop-in replacement on POSIX 2008 systems. strerror_r is also available on older systems but ha...
compareTo() vs. equals()
... it necessary to override both these methods if you decide to override any one of them.
– Ashwin
Jun 7 '12 at 7:35
3
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
... This test actually fails in chrome (and likely all webkit) because a nonexistent attribute in those browsers returns 'false' instead of undefined. karim79 is soooo close, but this will work better: $.fn.hasAttr = function(attr) { var attribVal = this.attr(attr); return (attribVal !== undef...
Why should I use IHttpActionResult instead of HttpResponseMessage?
...t because your existing code builds a HttpResponseMessage that doesn't fit one of the canned responses. You can however adapt HttpResponseMessage to IHttpActionResult using the canned response of ResponseMessage. It took me a while to figure this out, so I wanted to post it showing that you don't ...
Calling dynamic function with dynamic number of parameters [duplicate]
...red Mar 24 '09 at 9:55
AnthonyWJonesAnthonyWJones
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How do I make a delay in Java?
... java.util.concurrent.TimeUnit:
TimeUnit.SECONDS.sleep(1);
To sleep for one second or
TimeUnit.MINUTES.sleep(1);
To sleep for a minute.
As this is a loop, this presents an inherent problem - drift. Every time you run code and then sleep you will be drifting a little bit from running, say, eve...
PDO Prepared Inserts multiple rows in single query
...ently using this type of SQL on MySQL to insert multiple rows of values in one single query:
22 Answers
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How to get existing fragments when using FragmentPagerAdapter
...ave the Fragment references in WeakReference variables instead of standard ones. Like this:
WeakReference<Fragment> m1stFragment = new WeakReference<Fragment>(createdFragment);
// ...and access them like so
Fragment firstFragment = m1stFragment.get();
if (firstFragment != null) {
//...