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How to generate serial version UID in Intellij
When I used Eclipse it had a nice feature to generate serial version UID.
5 Answers
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SQL Server query to find all permissions/access for all users in a database
I would like to write a query on a sql 2008 that will report all the users that have access to a specific database, or objects within the database such as tables, views, and stored procedures, either directly or due to roles, etc. This report would be used for security auditing purposes. Not sure ...
Why doesn't Dictionary have AddRange?
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A comment to the original question sums this up pretty well:
because no one ever designed, specified, implemented, tested, documented and shipped that feature. - @Gabe Moothart
As to why? Well, likely because the behavior of merg...
Git: Remove committed file after push
Is there a possibility to revert a committed file in Git? I've pushed a commit to GitHub and then I realized that there's a file which I didn't want to be pushed (I haven't finished the changes).
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Format number to always show 2 decimal places
I would like to format my numbers to always display 2 decimal places, rounding where applicable.
30 Answers
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
POSIX allows mutexes to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...
How to change an Android app's name?
Is there a way to change the name (Launcher App Label) of an app without creating a new project?
17 Answers
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Can Java 8 code be compiled to run on Java 7 JVM?
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No, using 1.8 features in your source code requires you to target a 1.8 VM. I just tried the new Java 8 release and tried compiling with -target 1.7 -source 1.8, and the compiler refuses:
$ javac Test -source 1.8 -target 1.7
javac: source release 1.8 requires target release 1.8
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How to convert 1 to true or 0 to false upon model fetch
...response from a mysql database. The model data is set with true or false into a boolean/tinyint field in the database, which uses 1 or 0 .
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...ncing a pointer returned by a "new" allocation of size zero
Using pointers to objects whose lifetime has ended (for instance, stack allocated objects or deleted objects)
Dereferencing a pointer that has not yet been definitely initialized
Performing pointer arithmetic that yields a result outside t...