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php - get numeric index of associative array

... While Fosco's answer is not wrong there is a case to be considered with this one: mixed arrays. Imagine I have an array like this: $a = array( "nice", "car" => "fast", "none" ); Now, PHP allows this kind of syntax but it has one problem: if I run Fosco's code I get 0 which...
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What is Prefix.pch file in Xcode?

...” and enabling Precompile Prefix Header so they get precompiled. But the idea behind a prefix header is different from precompiling. A prefix header is implicitly included at the start of every source file. It’s like each source file adds #import "Prefix.pch" at the top of the file, before anyt...
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String output: format or concat in C#?

...f the function takes for example 26.4 ticks to execute. 3. The way you divided the result by some iterations was wrong. See what happens if you have 1000 milliseconds and 100 milliseconds. In both situations, you will get 0 ms after dividing it by 1000000. Stopwatch s = new Stopwatch(); var p = n...
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How to change a git submodule to point to a subfolder?

... I'm afraid the URL for submodules always just points to the repository - you can't specify that you only want a subfolder of a repository, in the same way that git doesn't support "narrow clones" in general. If you can't live with h...
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How to get the top 10 values in postgresql?

...distinct * from scores order by score desc fetch first 10 rows only SQL Fiddle share | improve this answer | follow | ...
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How to modify PATH for Homebrew?

...elow answer - time machine etc will not pick this change up I think as outside user folder. – Ian Warner Apr 20 '13 at 15:12 ...
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is guava-libraries available in maven repo?

...ing the following dependency to your POM: <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>23.0</version> </dependency> Note: the above version number may be outdated when you read this. To know th...
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Naming conventions for abstract classes

I distinctly remember that, at one time, the guideline pushed by Microsoft was to add the "Base" suffix to an abstract class to obviate the fact that it was abstract. Hence, we have classes like System.Web.Hosting.VirtualFileBase , System.Configuration.ConfigurationValidatorBase , System.Windows....
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How to change line width in ggplot?

... Whilst @Didzis has the correct answer, I will expand on a few points Aesthetics can be set or mapped within a ggplot call. An aesthetic defined within aes(...) is mapped from the data, and a legend created. An aesthetic may also be...
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How do I create a directory from within Emacs?

...ew directory using Emacs? What commands do I use? (If possible, please provide an example) 6 Answers ...