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Difference between initLoader and restartLoader in LoaderManager

...en orientation changes and would like to say that after a lot of trial-and-error, the following pattern works for me in both Activities and Fragments: onCreate: call initLoader(s) set a one-shot flag onResume: call restartLoader (or later, as applicable) if the one-shot is not set. ...
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How does Java handle integer underflows and overflows and how would you check for it?

...s reslulting in unexpected or undetected overflow are a common programming error. Unexpected or undetected integer overflow is also a well-known exploitable security issue, especially as it affects array, stack and list objects. Overflow can occur in either a positive or negative direction where t...
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?

... sorry dude, #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '( ) OVER ( PARTITION BY krd ORDER BY daytime DESC ) N FROM @rapsa ) M WHERE N = ' at line 1 ...
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Everyauth vs Passport.js?

...ched and leads to tight coupling with a specific framework. Passport also errors in a way that is entirely conventional, next-ing to error-handling middleware as defined by Express. In contrast, everyauth has its own conventions, which don't fit the problem space well, causing long-standing open i...
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How can I check if a URL exists via PHP?

... some websites have a different $file_headers[0] on error page. for example, youtube.com. its error page having that value as HTTP/1.0 404 Not Found(difference is 1.0 and 1.1). what to do then? – Krishna Raj K Mar 17 '12 at 7:34 ...
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How to enable CORS in AngularJs

...I try to GET from https://www.google.com using an AJAX call I get the CORS error? Is there no way I can make the AJAX call behave similarly to the call from POSTMAN? – AjaxLeung Jan 27 '16 at 17:14 ...
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Co-variant array conversion from x to y may cause run-time exception

...uch, the advantages overweigh the disadvantages caused by possible runtime errors when someone will try to make use of covariance when writing into the array. Hence it is allowed but not encouraged. As for your original question, list.ToArray() creates a new LinkLabel[] with values copied from orig...
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Proper use cases for Android UserManager.isUserAGoat()?

...the following produces a warning in Java (that can further produce compile errors if mixed with return statements, leading to unreachable code): while (1 == 2) { // Note that "if" is treated differently System.out.println("Unreachable code"); } However this is legal: while (isUserAGoat()) { ...
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What is a “callable”?

... given object is callable or not; or better yet just call it and catch TypeError later. callable is removed in Python 3.0 and 3.1, use callable = lambda o: hasattr(o, '__call__') or isinstance(o, collections.Callable). Example, a simplistic cache implementation: class Cached: def __init__(self...
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Programmatically open Maps app in iOS 6

...ly Circus, London, UK" completionHandler:^(NSArray *placemarks, NSError *error) { // Convert the CLPlacemark to an MKPlacemark // Note: There's no error checking for a failed geocode CLPlacemark *geocodedPlacemark = [placemarks objectAtIndex:0]; MKPlacemark ...