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How to check if AlarmManager already has an alarm set?

...o check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm. ...
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?

I am writing a login for a forum, and need to hash the password client side in javascript before sending it on to the server. I'm having trouble figuring out which SHA-256 implementation I can actually trust. I was expecting there to be some kind of authoritative script that everyone used, but I'm f...
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?

... I'll consider the problem of many<->one/many casemappings first and separately from handling different Normalization forms. For example: x heiße y ^--- cursor Matches heisse but then moves cursor 1 too much. And: x heisse y ^--- cursor Matches heiße but then moves cursor 1 to...
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Logical XOR operator in C++?

... Note that this only works for booleans. And ^ would work perfectly well there. 2 !=1 => 1 which is not what you want! as LiraNuna says, putting a ! infront of both sides solves that problem. but again, then you can use bitwise ^... – Brian...
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ConcurrentHashMap vs Synchronized HashMap

...ference between using the wrapper class, SynchronizedMap , on a HashMap and ConcurrentHashMap ? 12 Answers ...
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Select first row in each GROUP BY group?

... BY p.customer) y ON y.customer = x.customer AND y.max_total = x.total GROUP BY x.customer, x.total share | improve this answer | follow ...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

... lightweight front-controller. I need to match request paths to different handlers (actions) in order to choose the correct one. ...
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Which Android IDE is better - Android Studio or Eclipse? [closed]

I'm starting to develop for Android. Which IDE should I use - Android Studio or Eclipse sdk? I would like to know which one is better. ...
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What's the difference between using INDEX vs KEY in MySQL?

I know how to use INDEX as in the following code. And I know how to use foreign key and primary key . 5 Answers ...
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How do I load an HTML page in a using JavaScript?

... Even though this is elegant and clean, I suppose it would be better if you actually created the object element through the DOM api. – David Jan 21 '15 at 19:13 ...