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Rails :include vs. :joins
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It appears that the :include functionality was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section e...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
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220
You need to pass a Func which returns the value to be stored in the dictionary in case of an u...
How do I move files in node.js?
...ath_callback
fs.rename(oldPath, newPath, callback)
Added in: v0.0.2
oldPath <String> | <Buffer>
newPath <String> | <Buffer>
callback <Function>
Asynchronous rename(2). No arguments other than a possible exception
are given to the completion callback.
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Casting to string in JavaScript
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217
They do behave differently when the value is null.
null.toString() throws an error - Cannot ...
Calculate the execution time of a method
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edited Dec 9 '17 at 12:27
Matthias Braun
22k1616 gold badges104104 silver badges138138 bronze badges
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Get city name using geolocation
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204
You would do something like that using Google API.
Please note you must include the google m...
Bower and devDependencies vs dependencies
...mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependencies instead of devDependencies.
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jQuery Validate Required Select
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213
You can write your own rule!
// add the rule here
$.validator.addMethod("valueNotEquals", f...
How to delete projects in IntelliJ 12?
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275
Press the Del (or fn and delete) key to delete a project from the Recent Projects list.
Vote ...
Deleting all pending tasks in celery / rabbitmq
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edited Jan 27 '17 at 15:20
Dag Høidahl
6,30977 gold badges4545 silver badges6262 bronze badges
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