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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is ...
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Pass arguments to Constructor in VBA

...mplement a public initiation subroutine in each of your custom classes. I call it InitiateProperties throughout all my classes. This method has to accept the arguments you would like to send to the constructor. 2.- Create a module called factory, and create a public function with the word "Create" ...
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How do I discover memory usage of my application in Android?

How can I find the memory used on my Android application, programmatically? 9 Answers ...
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller

... 200 is just the normal HTTP header for a successful request. If that's all you need, just have the controller return new EmptyResult(); share | improve this answer | foll...
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Find an element in DOM based on an attribute value

... Update: In the past few years the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this. There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it ...
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In Firebase, is there a way to get the number of children of a node without loading all the node dat

...a transaction secure though? It seems it could be easily hacked to artificially increase counts. This could be bad for voting systems. – Soviut Apr 7 '14 at 6:10 16 ...
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Scroll Automatically to the Bottom of the Page

... list of questions. When I click on the first question, it should automatically take me to the bottom of the page. 23 Answ...
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Base 64 encode and decode example code

...aranteed to be a valid encoding in Java: see docs.oracle.com/javase/8/docs/api/java/nio/charset/Charset.html. Admittedly these days I'd specify StandardCharsets.UTF_8 instead. I've updated the answer to specify that you should be confident in the presence of the charset, but I'd pretty much always u...
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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)

...e Object Access Protocol" SOAP is a method of transferring messages, or small amounts of information, over the Internet. SOAP messages are formatted in XML and are typically sent using HTTP (hypertext transfer protocol). Rest - Representational state transfer Rest is a simple way of sending and...
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onConfigurationChanged not getting called

... event. The problem is that the method, which I override, is not getting called when I change the orientation of the phone. Not getting called at all. ...