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What is a stored procedure?

What is a "stored procedure" and how do they work? 17 Answers 17 ...
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Single quotes vs. double quotes in Python [closed]

According to the documentation, they're pretty much interchangeable. Is there a stylistic reason to use one over the other? ...
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Performance of FOR vs FOREACH in PHP

...tions the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... ...
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val-mutable versus var-immutable in Scala

Are there any guidelines in Scala on when to use val with a mutable collection versus using var with an immutable collection? Or should you really aim for val with an immutable collection? ...
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Stop Chrome Caching My JS Files

I will make a change to my JS files but it won't really change in the browser, I have to rename the files every time so that it reloads it. Is there some sort of .htaccess command I can add or something to make it stop caching? ...
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WebClient vs. HttpWebRequest/HttpWebResponse

It seems to me that most of what can be accomplished with HttpWebRequest/Response can also be accomplished with the WebClient class. I read somewhere that WebClient is a high-level wrapper for WebRequest/Response . So far, I can't see anything that can be accomplished with HttpWebRequest/...
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Format Instant to String

I'm trying to format an Instant to a String using the new java 8 time-api and a pattern: 7 Answers ...
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Django FileField with upload_to determined at runtime

I'm trying to set up my uploads so that if user joe uploads a file it goes to MEDIA_ROOT/joe as opposed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks: ...
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In MySQL, how to copy the content of one table to another table within the same database?

I am new to MySQL. I would like to copy the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this? ...
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Deep null checking, is there a better way?

Note: This question was asked before the introduction of the .? operator in C# 6 / Visual Studio 2015 . 16 Answers ...