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How to get client's IP address using JavaScript?

...that can return JSON (along with jQuery to make things simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer. Cloudflare Try it: https://www.cloudflare.com/cdn-cgi/trace...
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How to stop a JavaScript for loop?

...try.size === remData.size; }); Array#findIndex stops the first time the callback returns a truthy value, returning the index for that call to the callback; it returns -1 if the callback never returns a truthy value. Array#find also stops when it finds what you're looking for, but it returns the en...
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Why should I avoid using Properties in C#?

...erties, and recommends not to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...
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When should I use malloc in C and when don't I?

I understand how malloc() works. My question is, I'll see things like this: 6 Answers ...
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Step-by-step debugging with IPython

... You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards. This makes debugging individual functions easy, as you can just lo...
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What does %~dp0 mean, and how does it work?

... Calling for /? in the command-line gives help about this syntax (which can be used outside FOR, too, this is just the place where help can be found). In addition, substitution of FOR variable references has been enhan...
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Rails find_or_create_by more than one attribute?

There is a handy dynamic attribute in active-record called find_or_create_by: 5 Answers ...
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SQL Server Script to create a new user

...fluid than I make it seem above. For example, a Login account is automatically created (in most SQL Server installations) for the Windows Administrator account when the database is installed. In most situations, I just use that when I am administering a database (it has all privileges). However...
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Append file contents to the bottom of existing file in Bash [duplicate]

... For single string, use echo like this echo "export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_112" >> ~/.bashrc – shellbye Jan 3 '17 at 8:36 ...
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How to go to a URL using jQuery? [duplicate]

...ss it has been overridden elsewhere of cause. – Prime_Aqasix Sep 1 '17 at 6:14 1 @YahyaUddin I st...