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“Uncaught TypeError: Illegal invocation” in Chrome

...ou are assigning a native method to a property of custom object. When you call support.animationFrame(function () {}) , it is executed in the context of current object (ie support). For the native requestAnimationFrame function to work properly, it must be executed in the context of window. So the ...
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How to check if a number is a power of 2

...nd only if both its operands are true. Now let's take a look at how this all plays out: The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone has passed the value 4 and called ...
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How to convert a string from uppercase to lowercase in Bash? [duplicate]

...ing to find a way to convert a string value from upper case to lower case. All the search results show approaches of using tr command. ...
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded

...garbage collector is taking an excessive amount of time (by default 98% of all CPU time of the process) and recovers very little memory in each run (by default 2% of the heap). This effectively means that your program stops doing any progress and is busy running only the garbage collection at all t...
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Get list of a class' instance methods

... You actually want TestClass.instance_methods, unless you're interested in what TestClass itself can do. class TestClass def method1 end def method2 end def method3 end end TestClass.methods.grep(/method1/) # => [] ...
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Hibernate show real SQL [duplicate]

...logger.org.hibernate.type=TRACE The first is equivalent to hibernate.show_sql=true, the second prints the bound parameters among other things. Reference Hibernate 3.5 Core Documentation 3.5. Logging Hibernate 4.1 Core Documentation 4.1. Logging ...
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Why does Java switch on contiguous ints appear to run faster with added cases?

...value has been removed in JDK 8 after more benchmarking was performed. Finally, when the method becomes too long (> 25 cases in my tests), it is in not inlined any longer with the default JVM settings - that is the likeliest cause for the drop in performance at that point. With 5 cases, the d...
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PostgreSQL error 'Could not connect to server: No such file or directory'

...u are on OS X Here is the fix: Stop the database cd /var sudo rm -r pgsql_socket sudo ln -s /tmp pgsql_socket chown _postgres:_postgres pgsql_socket Restart PostgreSQL (not your computer) More information is available at "postgresql 9.0.3. on Lion Dev Preview 1". ...
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How can I deploy an iPhone application from Xcode to a real iPhone device?

... do this a lot, be sure to check the other answers - you can make XCode do all the job to you but it's a troublesome procedure to trick it on doing that. – cregox Apr 16 '11 at 16:06 ...
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windows service vs scheduled task

...ust need to figure out how to support failover... Original Answer: I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes that user's password. The other major annoyance with Windows Scheduler is that it r...