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How can I find out if I have Xcode commandline tools installed?

..., not /usr/build. In fact xcodebuild should be enough since /usr/bin is usually in your PATH. – Samuel Lelièvre Jul 25 at 19:18 add a comment  |  ...
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Intercepting links from the browser to open my Android app

...pp to open a link when user clicks on an URL of a given pattern instead of allowing the browser to open it. This could be when the user is on a web page in the browser or in an email client or within a WebView in a freshly-minted app. ...
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Help with C# generics error - “The type 'T' must be a non-nullable value type”

...nt required by Nullable<T> itself. In other words, you could try to call: CoalesceMax<string>(...) which wouldn't make sense, as Nullable<string> isn't valid. share | improve th...
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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?

...ur UIColor method requires a float from 0-1, not 0-255. You need to divide all your RGB values by 255.0, as follows: self.tableView.seperatorColor = [UIColor colorWithRed:127.0f/255.0f green:127.0f/255.0f blue:127.0f/255.0f alpha:1.0f]; ...
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Why use try {} finally {} with an empty try block?

...ticed in System.Threading.TimerBase.Dispose() the method has a try{} finally{} block but the try{} is empty. 2 Answer...
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Converting Secret Key into a String and Vice Versa

... throws InvalidParameterException { try { if (Cipher.getMaxAllowedKeyLength("AES") < keysize) { // this may be an issue if unlimited crypto is not installed throw new InvalidParameterException("Key size of " + keysize + " not supported i...
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Paste multiple times

... Clever. 'p' to paste, 'gv' to re-select what was originally selected. 'y' to copy it again. – Amjith Aug 23 '11 at 21:17 ...
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javascript node.js next()

...low code, where a reference to the next function to execute is given to a callback for it to kick-off when it's done. See, for example, the code samples here: http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/ Let's look at the example you posted: function loadUser(req, ...
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@Transactional(propagation=Propagation.REQUIRED)

... such logical transaction scope can determine rollback-only status individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the same physical transactio...
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C#: Looping through lines of multiline string

...; new StringReader(text))) { Console.WriteLine(line); } Looping over all the lines in a body of string data (whether that's a file or whatever) is so common that it shouldn't require the calling code to be testing for null etc :) Having said that, if you do want to do a manual loop, this is th...