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What is memory fragmentation?

...typical scenarios. This results in out of memory exceptions, or allocation errors (i.e. malloc returns null). The easiest way to think about this is to imagine you have a big empty wall that you need to put pictures of varying sizes on. Each picture takes up a certain size and you obviously can't s...
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What is the difference between LR, SLR, and LALR parsers?

...h it, and that count is needed for the L(AL)R versions in practice anyway. ERROR: If neither SHIFT nor REDUCE is possible, a syntax error is declared. So, if they all the use the same machinery, what's the point? The purported value in SLR is its simplicity in implementation; you don't have to sc...
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getActionBar() returns null

...inSdkVersion tag and so it doesn't register. Adding the namespace fixes an error with the action bar not being found. Sloppy, Google! – Nick Nov 29 '12 at 18:58 ...
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Convert string with comma to integer

...converting dollars and cents to cents. This method will avoid any rounding errors that might crop up unexpectedly when dealing with floating-point numbers. When a currency amount needs to be shown to the user, the cent amount can be converted to dollars and cents. (Though that is not what the questi...
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Delete files or folder recursively on Windows CMD

... This command is not working and throwing error as below D:\>rd /s /q "D:\Root a" The system cannot find the file specified. – abhayk Aug 31 '16 at 6:07 ...
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How to strip leading “./” in unix “find”?

... Better with 2> /dev/null to ignore error reported when the command is run in an empty directory. – neevek Dec 17 '16 at 6:13 add a comm...
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How to reset (clear) form through JavaScript?

... I get next error: TypeError: document.getElementById(...).reset is not a function[Learn More]. I use FormValidate plugin for form. its resetForm does not reset form too =( Any suggestions? – Eugen Konkov ...
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How to Git stash pop specific stash in 1.8.3?

... Not working for me. Getting error "unknown option: -encodedCommand" – Yuvraj Patil Mar 12 '18 at 6:30 15 ...
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MySQL - Using COUNT(*) in the WHERE clause

... MSSQL gives "invalid column name" parse error for num. +1 anyway for the clean syntax (could be my setup, or ms... ahh well). – samis Jun 13 '17 at 14:04 ...
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How do I migrate a model out of one django app and into a new one?

...en specific/0003_create_cat is run, throwing an django.db.utils.OperationalError: no such table: common_cat error at you. South runs migrations in lexicographical order unless dependency is explicitly set. Since common comes before specific all the common's migrations would get run before table ren...