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Why is 1/1/1970 the “epoch time”?

...DC, but it was probably cheap to use whatever was most common at the time, and TVs were being mass-produced then... – Matt Howells Jul 7 '09 at 10:32 18 ...
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

...s well. You can use the PHP's file_get_contents function to read that URL and process the retrieved data. Resource: http://developers.facebook.com/docs/api Note: In php.ini, you need to make sure that the OpenSSL extension is enabled to use thefile_get_contents function of PHP to read that URL. ...
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How to specify the location with wget?

...x. The directory prefix is the directory where all other files and sub-directories will be saved to, i.e. the top of the retrieval tree. The default is . (the current directory). So you need to add -P /tmp/cron_test/ (short form) or --directory-prefix=/tmp/cron_t...
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Tree view of a directory/folder in Windows? [closed]

... In the Windows command prompt you can use "tree /F" to view a tree of the current folder and all descending files & folders. In File Explorer under Windows 8.1: Select folder Press Shift, right-click mouse, and select "Open command windo...
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How to subtract date/time in JavaScript? [duplicate]

I have a field at a grid containing date/time and I need to know the difference between that and the current date/time. What could be the best way of doing so? ...
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Draw line in UIView

...our case (horizontal line) is to add a subview with black background color and frame [0, 200, 320, 1]. Code sample (I hope there are no errors - I wrote it without Xcode): UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 200, self.view.bounds.size.width, 1)]; lineView.backgroundColor...
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How does inline Javascript (in HTML) work?

...nt.getElementById('click_me'), event); }); </script> Inline event handlers set this equal to the target of the event. You can also use anonymous function in inline script <a href="#" onclick="(function(){alert(this);})()">Click Me</a> ...
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How do you switch pages in Xamarin.Forms?

...dPage, the one you don't like CarouselPage, that allows for switching left and right to next/prev pages. On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one. At the very end, if you want to make sure the user can't get back to the previou...
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Is there a way for multiple processes to share a listening socket?

In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes. ...
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Access denied for user 'root@localhost' (using password:NO)

I'm new to MySQL, I'm trying to run WordPress in my Windows desktop and it needs MySQL. 16 Answers ...