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Why and How to avoid Event Handler memory leaks?

...ill try to summarize it here so that you can have a clear idea. Reference means, "Need": First of all, you need to understand that, if object A holds a reference to object B, then, it will mean, object A needs object B to function, right? So, the garbage collector won't collect the object B as lon...
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What do @, - and + do as prefixes to recipe lines in Make?

...lines: @ suppresses the normal 'echo' of the command that is executed. - means ignore the exit status of the command that is executed (normally, a non-zero exit status would stop that part of the build). + means 'execute this command under make -n' (or 'make -t' or 'make -q') when commands are not...
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Defining custom attrs

...e root element. Note, all attributes share the same global namespace. That means that even if you create a new attribute inside of a <declare-styleable> element it can be used outside of it and you cannot create another attribute with the same name of a different type. An <attr> element...
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Do python projects need a MANIFEST.in, and what should be in it?

...t? The procedure is simple: Make sure, in your setup.py you include (by means of setup arguments) all the files you feel important for the program to run (modules, packages, scripts ...) Clarify, if there are some files to add or some files to exclude. If neither is needed, then there is no need ...
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MySql : Grant read only options?

...Reading" from tables and views is the SELECT privilege. If that's what you mean by "all read" then yes: GRANT SELECT ON *.* TO 'username'@'host_or_wildcard' IDENTIFIED BY 'password'; However, it sounds like you mean an ability to "see" everything, to "look but not touch." So, here are the other ...
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filtering NSArray into a new NSArray in Objective-C

... What does contains[c] mean? I always see the [c] but I don't understand what it does? – user1007522 Jun 20 '14 at 14:41 4 ...
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?

... * are idempotent operations on a symbol declared as a function in C which means func == *func == &func == *&func and therefore *func == **func It means that the type int () is the same as int (*)() as a function parameter and a defined func can be passed as *func, func or &func. (&...
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How to get the first line of a file in a bash script?

...forks off a subshell, and using an external command (any external command) means you're calling execve(), invoking the linker and loader (if it's using shared libraries, which is usually the case), etc. – Charles Duffy Aug 1 '17 at 16:17 ...
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How to align input forms in HTML

... I like this solution. It means I don't have to worry about my columns inevitably changing width as the page evolves through development. +1 – Tom Lord Jun 1 '14 at 23:11 ...
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String.replaceAll without RegEx

...vloZvarych: Pattern.compile() compiles the string as a regular expression, meaning the special characters will be given the special meaning. That's the complete opposite of what Pattern.quote() does, and what the OP was asking for (quote() says, "treat the string as a literal"). Maybe you could ex...