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Can't update Macports (with Mac OS X Mavericks)

...s installed previously. Just launch XCODE and let it finish configuration. Now rerun port command and it should work properly. share | improve this answer | follow ...
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How to set the text color of TextView in code?

...etTextColor(getResources().getColor(R.color.errorColor)); This method is now deprecated in Android M. You can however use it from the contextCompat in the support library, as the example now shows. share | ...
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How can prepared statements protect from SQL injection attacks?

...t exactly true. MySQL has supported prepared statements for quite a while now. The PDO driver has as well. But yet, MySQL queries were still prepared by PDO by default, last time i checked. – cHao Aug 18 '13 at 9:32 ...
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Duplicating a MySQL table, indices, and data

... work for big tables (millions of records)?.. I am asking because I don't know how this select * will perform in huge tables. – fguillen Dec 1 '16 at 17:23 4 ...
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How to debug .htaccess RewriteRule not working

...og and RewriteLogLevel directives have been removed. This functionality is now provided by configuring the appropriate level of logging for the mod_rewrite module using the LogLevel directive. See also the mod_rewrite logging section. For more on LogLevel, refer LogLevel Directive you can accompl...
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What is the difference between save and insert in Mongo DB?

...e save will do -> It will do normal insertion upsert to insert.Now in this case as insert() do. what that means, it means take the document and replace the complete document having same _id. Let us consider the two cases here for insert:- 1) Having _id of...
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Virtual/pure virtual explained

...ion defines a target function to be executed, but the target might not be known at compile time. Unlike a non-virtual function, when a virtual function is overridden the most-derived version is used at all levels of the class hierarchy, rather than just the level at which it was created. Therefore...
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What is memoization and how can I use it in Python?

... return k * factorial(k - 1) factorial = Memoize(factorial) A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing: @Memoize def factorial(k): if k < 2: return 1 return k * factorial(k - 1) The Python D...
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Extracting the last n characters from a string in R

...r had been remade using stringi as a backend, so should work with NAs etc. now. – m-dz Jul 11 '16 at 10:09 add a comment  |  ...
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Javascript “this” pointer within nested function

... Now that's progress! – Joshua Pinter Jun 21 '16 at 4:59 ...