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Display an array in a readable/hierarchical format

...at you can pass true as the second parameter to print_r to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file. – DutGRIFF Nov 5 '14 at 19:43 ...
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Memory address of variables in Java

...ects may/will move around during garbage collection etc.) Integer.toBinaryString() will give you an integer in binary form. share | improve this answer | follow ...
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Disabling user selection in UIWebView

...} </style> Programmatically load the following Javascript code: NSString * jsCallBack = @"window.getSelection().removeAllRanges();"; [webView stringByEvaluatingJavaScriptFromString:jsCallBack]; Disable the Copy / Paste user menu: - (BOOL)canPerformAction:(SEL)action withSender:(id)se...
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Delete all files in directory (but not directory) - one liner solution

... public class DeleteFile { public static void main(String[] args) { String path="D:\test"; File file = new File(path); File[] files = file.listFiles(); for (File f:files) {if (f.isFile() && f.exists) { f.delete()...
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How to specify function types for void (not Void) methods in Java8?

...could simply create a consumer for that with a lambda expression: List<String> allJedi = asList("Luke","Obiwan","Quigon"); allJedi.forEach( jedi -> System.out.println(jedi) ); You can see above that in this case, the lambda expression receives a parameter and has no return value. Now, i...
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What is the use of printStackTrace() method in Java?

... This is normal, with the 1st one you call the toString() of the error, and in the 2nd you ask to print all the stackTrace from the error. That's 2 différents things. – Jon May 17 '16 at 8:08 ...
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In Django, how does one filter a QuerySet with dynamic field lookups?

... Just a quick gotcha heads-up: make sure the strings in the kwargs are of type str not unicode, else filter() will grumble. – Steve Jalim Apr 4 '11 at 9:30 ...
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How do I “git blame” a deleted line?

...w the contents of the line, this is an ideal use case for: git log -S <string> path/to/file which shows you commits which introduce or remove an instance of that string. There's also the -G<regex> which does the same thing with regular expressions! See man git-log and search for the -...
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Can I set enum start value in Java?

...SE_ORDINAL; } }; public class TestEnum { public static void main (String... args){ for (ids i : new ids[] { ids.OPEN, ids.CLOSE }) { System.out.println(i.toString() + " " + i.ordinal() + " " + i.getCode()); } } } OPEN 0 10...
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How to prompt for user input and read command-line arguments [closed]

... In Python 2.7, input() doesn't convert values to strings. So if you try to do this: input_variable1 = input ("Enter the first word or phrase: "), you will get an error: Traceback (most recent call last): return eval(raw_input(prompt)) File "<string>", line 1,...