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How to get the client IP address in PHP [duplicate]

... make sure you have space for at least 45 characters. IPv6 is here to stay and those addresses are larger than the older IPv4 addresses. (Note that IPv6 usually uses 39 characters at most but there is also a special IPv6 notation for IPv4 addresses which in its full form can be up to 45 characters....
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Streaming a video file to an html5 video player with Node.js so that the video controls continue to

What is the right way to handle streaming a video file to an html5 video player with Node.js so that the video controls continue to work? ...
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How can I get the active screen dimensions?

... Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be: class MyForm : Form { public Rectangle GetScreen() { return Screen.FromControl(this).Bounds; } } I don't know of an equival...
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Difference between float and double in php?

...hat version of PHP? Prior to PHP 7.0, scalar type hints were not available and would be interpreted as class names instead. That looks like what is going on there. – Ken Wayne VanderLinde Nov 1 '17 at 18:50 ...
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How to style the option of an html “select” element?

...pe of element is an example of a "replaced element". They are OS-dependent and are not part of the HTML/browser. It cannot be styled via CSS. There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled. ...
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How to set auto increment primary key in PostgreSQL?

I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key. 7 Answers ...
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Get bitcoin historical data [closed]

...bitcoincharts.com/v1/csv/ it is updated twice a day for active exchanges, and there is a few dead exchanges, too. EDIT: Since there are no column headers in the CSVs, here's what they are : column 1) the trade's timestamp, column 2) the price, column 3) the volume of the trade ...
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Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?

...visits a page served over HTTP, their connection is open for eavesdropping and man-in-the-middle (MITM) attacks. When a user visits a page served over HTTPS, their connection with the web server is authenticated and encrypted with SSL and hence safeguarded from eavesdroppers and MITM attacks. Howeve...
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?

...sers I tested), you can use some Unicode variable names. This made my day, and I was absolutely delighted that I could write fun Unicode-laden code like this: ...
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Clone() vs Copy constructor- which is recommended in java [duplicate]

...l Object superclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring Prefer a method that copies the object Foo copyFoo (Foo foo){ Foo f = new Foo(); //for all pr...