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Which one will execute faster, if (flag==0) or if (0==flag)?

...n :) The answer is: What is flag's type? In the case where flag actually is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already. If fl...
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How do I create a comma-separated list from an array in PHP?

...me. For example, maybe you want to quote each fruit and then separate them all by commas: $prefix = $fruitList = ''; foreach ($fruits as $fruit) { $fruitList .= $prefix . '"' . $fruit . '"'; $prefix = ', '; } Also, if you just do it the "normal" way of appending a comma after each item (l...
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Get key by value in dictionary

...oes not imply that it was not intended to be used as such. Not helpful at all. – Tropicalrambler Jan 8 at 17:52 Would...
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How to tell which version of a gem a rails app is using

...gating a rails app - the prod server has two version of a specific gem installed, how can I tell which version the prod app is using? ...
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What's the best way to put a c-struct in an NSArray?

... @Joe Blow @Catfish_Man It actually copies the structure p, not a pointer to it. The @encode directive provides all the information necessary about how big the structure is. When you release the NSValue (or when the array does), its copy of the structure i...
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Git: list only “untracked” files (also, custom commands)

...he alias line, or where is that documented? – We Are All Monica Sep 27 '10 at 6:31 @takeshin How to get only parent di...
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Using build types in Gradle to run same app that uses ContentProvider on one device

...fied me, however Liberty was close. So this is how am I doing it. First of all at the moment I am working with: Android Studio Beta 0.8.2 Gradle plugin 0.12.+ Gradle 1.12 My goal is to run Debug version along with Release version on the same device using the same ContentProvider. In build.gradle ...
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Flatten an irregular list of lists

...een covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this: ...
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How to namespace Twitter Bootstrap so styles don't conflict

...ap, but only on specific elements, so I need to figure out a way to prefix all Twitter Bootstrap classes with my prefix, or use the less mixins. I'm not experienced with this yet so I don't quite understand how to do this. Here's an example of the HTML that I'm trying to style: ...
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Why can I add named properties to an array as if it were an object?

... Virtually everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, u...