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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]

...with transclude). These directives will natively have their link function called before their child directives compile is called. The original HTML markup is often made of nested elements, each with its own directive. Like in the following markup (see plunk): <body> <div log='parent'&g...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

... is applied.] Autolayout vs. View Transforms Autolayout does not play at all well with view transforms. The reason, as far as I can discern, is that you're not supposed to mess with the frame of a view that has a transform (other than the default identity transform) - but that is exactly what auto...
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How to add test coverage to a private constructor?

... Well, there are ways you could potentially use reflection etc - but is it really worth it? This is a constructor which should never be called, right? If there's an annotation or anything similar that you can add to the class to make Cobertura understand that it ...
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Differences between Perl and PHP [closed]

...ype, of which Perl has three, and the type specifier is part of the name (called a "sigil"), so $foo is a different variable than @foo or %foo. (related to the previous point) Perl has separate symbol table entries for scalars, arrays, hashes, code, file/directory handles and formats. Each has its o...
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How to force the browser to reload cached CSS/JS files?

...write if there are exactly 10 digits at the end. (Because 10 digits covers all timestamps from 9/9/2001 to 11/20/2286.) First, we use the following rewrite rule in .htaccess: RewriteEngine on RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L] Now, we write the following PHP function: /** * Give...
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Declare and Initialize String Array in VBA

... Dim myStringArray() As String *code* redim myStringArray(size_of_your_array) Then you can do something static like this: myStringArray = { item_1, item_2, ... } Or something iterative like this: Dim x For x = 0 To size_of_your_array myStringArray(x) = data_source(x).Name Nex...
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Difference between a Message Broker and an ESB

...may lack robust journaling and tools for dealing with journals. Some ESBs allow database updates to be rolled back and queues to be replayed into a corrected application once an egregious error in logic has been uncovered and fixed. I don't think most brokers integrate that level of transactional ...
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How to check if a process id (PID) exists

...process is not owned by the running user, you may not have permissions to call kill -0. Better to use ps -p $PID > /dev/null 2>&1, which allows you to see process status, even if you do not have permissions to send a signal. – mckoss Apr 1 '12 at 16:...
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MySQL, better to insert NULL or empty string?

...are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data? ...
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Why are variables “i” and “j” used for counters?

... It comes ultimately from mathematics: the summation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation): It's also used that way for collections of things, like if you have a bunch of variables x1, x2, ......