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PHP exec() vs system() vs passthru()

...ed restrictions, such as selinux. But a well set-up system will have those selectively off. Of course a shared host is a different story, but you won't offer a shared environment to esteemed clients either, no? – Christian Sep 18 '11 at 10:01 ...
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Django - filtering on foreign key properties

... Is this going to hit the DB twice, should I be using select_related() to make this more optimal? – Fraser Graham Dec 30 '09 at 22:52 5 ...
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Fastest way to check if string contains only digits

...ew SortedSet<string>(); //s = string.Concat(Enumerable.Range(0, 127).Select(i => ((char)i ^ '0') < 10 ? 1 : 0)); w.Restart(); for (int i = 0; i < r; i++) b = s.All(char.IsDigit); w.Stop(); ss.Add(w.Elapsed + ".All .IsDigit"); w.Restart(); for (int i = 0; i < r; i++) b = s....
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what is the most efficient way of counting occurrences in pandas?

...].astype('str').stack().value_counts().sum() which equates to setting each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious cho...
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How can I launch multiple instances of MonoDevelop on the Mac?

...e a solution already open, and the checkbox only appears when you actually select a solution or project in the dialog. – Mikayla Hutchinson Oct 14 '10 at 23:08 ...
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Force Java timezone as GMT/UTC

... tl;dr String sql = "SELECT CURRENT_TIMESTAMP ; … OffsetDateTime odt = myResultSet.getObject( 1 , OffsetDateTime.class ) ; Avoid depending on host OS or JVM for default time zone I recommend you write all your code to explicitly state the de...
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Renaming or copying files and folder using NERDTree on Vim. Is it possible?

... Press m on the node you want to then select (m)ove the current node. Moving is the same as renaming. NERDTree Menu. Use j/k/enter and the shortcuts indicated ========================================================== > (a)dd a childnode (m)ove the curent n...
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How can I transition height: 0; to height: auto; using CSS?

... You can further refine it by selecting all child elements with * and applying other changes. Buttons should've been affected by my above code, however, if they were correctly styled with em. – Steven Vachon Oct 24 '...
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Suppress warning “Category is implementing a method which will also be implemented by its primary cl

...is answer should be the correct one. Anyway it has more votes than the one selected as answer. – Juan Catalan Nov 5 '14 at 17:28  |  show 11 m...
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Status bar and navigation bar appear over my view's bounds in iOS 7

...7 SDK. Please add the following code to achieve this, if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) self.edgesForExtendedLayout = UIRectEdgeNone; You need to add the above in your -(void)viewDidLoad method. iOS 7 brings several changes to how you layout and customiz...