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Rails :dependent => :destroy VS :dependent => :delete_all

... The difference is with the callback. The :delete_all is made directly in your application and deletes by SQL : DELETE * FROM users where compagny_id = XXXX With the :destroy, there is an instantiation of all of your children. So, if you can't destro...
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is there a post render callback for Angular JS directive?

...s not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript. – parliament ...
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In a storyboard, how do I make a custom cell for use with multiple controllers?

...lls out of a storyboard, here's what happens: Each prototype cell is actually its own embedded mini-nib. So when the table view controller is loading up, it runs through each of the prototype cell's nibs and calls -[UITableView registerNib:forCellReuseIdentifier:]. The table view asks the controll...
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What is the easiest way to duplicate an activerecord record?

...ID. Note that it does not copy associations, so you'll have to do this manually if you need to. Rails 3.1 clone is a shallow copy, use dup instead... share | improve this answer | ...
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Python Requests throwing SSLError

...ts, this may be acceptable for quick/throwaway applications/scripts, but really should not go to production software. If just skipping the certificate check is not acceptable in your particular context, consider the following options, your best option is to set the verify parameter to a string tha...
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How to do Mercurial's 'hg remove' for all missing files?

... This will add all new files that are not ignored, and remove all locally missing files hg addremove Either of these will remove all locally missing files(They are the same command) hg remove --after hg remove -A ...
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Is it possible to change the location of packages for NuGet?

... It's now possible to control which folder the packages are installed into. http://nuget.codeplex.com/workitem/215 Edit: See Phil Haack's comment on Dec 10 2010 at 11:45 PM (in the work item/the link above). The support is partially implemented in 1.0, but is not documented. According...
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What is the difference between “int” and “uint” / “long” and “ulong”?

...128 to 127. The 9th bit represents 256. So with 8 bits you can represent all values up to 255 (9th val - 1). The range from -128 to 127 has a length of exactly 255. So there is no bit that holds the sign. All values up to 127 are positive. Values above get displayed negative. 255 would be -1. 254 wo...
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Sublime text 2 - find and replace globally ( all files and in all directories )

Is there any way to find and replace text string automatically in all folder's files ? 2 Answers ...
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How can I create an executable JAR with dependencies using Maven?

...mments. Commonly this goal is tied to a build phase to execute automatically. This ensures the JAR is built when executing mvn install or performing a deployment/release. <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <archive> ...