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NSOperation vs Grand Central Dispatch
...asses that do a similar thing. NSOperation was introduced first, but as of 10.5 and iOS 2, NSOperationQueue and friends are internally implemented using GCD.
In general, you should use the highest level of abstraction that suits your needs. This means that you should usually use NSOperationQueue in...
Google Chrome redirecting localhost to https
...sites which send a HSTS header...
eg. Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
...then depending on the value of max-age, future requests to localhost will be required to be served over HTTPS.
To get around this, I did the following.
In the Chrome address bar t...
ResourceDictionary in a separate assembly
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edited Sep 27 '11 at 14:52
Tim Cooper
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jQuery post() with serialize and extra data
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You can use serializeArray [docs] and add the additional data:
var data = $('#myForm').serializ...
How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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SQL Joins Vs SQL Subqueries (Performance)?
...at will help a lot...) among other things.
The only REAL way to tell with 100% certainty which is faster is to turn on performance tracking (IO Statistics is especially useful) and run them both. Make sure to clear your cache between runs!
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How to get the current time as datetime
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edited May 23 '17 at 12:10
Community♦
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answered Jun 5 '14 at 21:55
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How do you overcome the svn 'out of date' error?
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31 Answers
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Rails 3.1: Engine vs. Mountable App
...nd the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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