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I don't remember my android debug.keystore password

...re For Mac OS User: ~/.android/debug.keystore After you will get SHAH1 by below command using Command Prompt: keytool -list -v -keystore "C:\Users\username.android\debug.keystore" -alias androiddebugkey -storepass android -keypass android Note :above answer has just information of android st...
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ConcurrentHashMap vs Synchronized HashMap

... We can achieve thread safety by using both ConcurrentHashMap and synchronisedHashmap. But there is a lot of difference if you look at their architecture. synchronisedHashmap It will maintain the lock at the object level. So if you want to perform ...
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What's the standard way to work with dates and times in Scala? Should I use Java types or there are

... implicit conversion library avaliable for Joda Time at scala-time created by Jorge Ortiz. (Note implicits have a performance hit, but it depends on what you do if you will notice. And if you run into a performance problem you can just revert to the Joda interface) From the README: USAGE: import o...
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Why does typeof NaN return 'number'?

... Why does Infinity === Infinity return true if an Infinity can be produced by different values: 1.0 / 0.0 or 2.0 / 0.0? – Hashem Qolami May 22 '16 at 9:15 ...
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__init__ for unittest.TestCase

...tell because the self.tempdir that's supposed to exist, cannot be accessed by the other methods of the class. I get a AttributeError: 'TestingClass' object has no attribute 'tempdir' – ffledgling Jun 27 '13 at 21:27 ...
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Cancellation token in Task constructor: why?

...Completion status. If the body throws an OperationCancelledException, e.g. by ThrowIfCancellationRequested, then Task will check whether that Exception's CancellationToken is the same as the one associated with the Task. If it is, the task is Canceled. If not, it's Faulted. – W...
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What's the best way to learn LISP? [closed]

... Try reading Practical Common Lisp, by Peter Seibel. share | improve this answer | follow | ...
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Foreign key from one app into another in Django

... Thanks, this worked for me. By adding quotes, we don't need to import the class. But I wonder if there are any differences if we decide to import the class, such as the other nice example given by @andorov ? – Michel Mesquita ...
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Scala equivalent of Java java.lang.Class Object

The question is best explained by an example: 2 Answers 2 ...
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How can I apply styles to multiple classes at once?

...xyz {font-weight: bold;} will combine to make .xyz bold and margin-left'ed by 20px but .abc only margin-left'ed. – RyanfaeScotland Sep 16 '14 at 8:50 ...