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How to get client's IP address using JavaScript?

...indIP.then(ip => document.write('your ip: ', ip)).catch(e => console.error(e)) Note: This new minified code would return only single IP if you want all the IPs of the user( which might be more depending on his network), use the original code... thanks to WebRTC, it is very easy to ge...
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Setting Curl's Timeout in PHP

...auses libcurl to timeout immediately if the value is < 1000 ms with the error "cURL Error (28): Timeout was reached". The explanation for this behavior is: "If libcurl is built to use the standard system name resolver, that portion of the transfer will still use full-second resolution for timeou...
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Why does `a == b or c or d` always evaluate to True?

...r is more literal minded. if name == "Kevin" or "Jon" or "Inbar": is logically equivalent to: if (name == "Kevin") or ("Jon") or ("Inbar"): Which, for user Bob, is equivalent to: if (False) or ("Jon") or ("Inbar"): The or operator chooses the first argument with a positive truth value: if ("Jon")...
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Maximum call stack size exceeded error

...sing a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad) 31 Answe...
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How to avoid having class data shared among instances?

...problem you face is that x.list and y.list are the same list, so when you call append on one, it affects the other. – Matt Moriarity Nov 5 '09 at 14:04 ...
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Difference between and

...s will not submit a form - they don't do anything by default. They're generally used in conjunction with JavaScript as part of an AJAX application. <input type="submit"> buttons will submit the form they are in when the user clicks on them, unless you specify otherwise with JavaScript. ...
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How to pass a function as a parameter in Java? [duplicate]

...u have a class or interface with only a single abstract method (sometimes called a SAM type), for example: public interface MyInterface { String doSomething(int param1, String param2); } then anywhere where MyInterface is used, you can substitute a lambda expression: class MyClass { publ...
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How do you check if a JavaScript Object is a DOM Object?

...exception is thrown and we end up here. Testing some //properties that all elements have (works on IE7) return (typeof obj==="object") && (obj.nodeType===1) && (typeof obj.style === "object") && (typeof obj.ownerDocument ==="object"); } } It's part of ...
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How to show and update echo on same line

...hat saves me from going to a new line each time I echo something. -e will allow me to interpret backslash escape symbols. Guess what escape symbol I want to use for this: \r. Yes, carriage return would send me back to the start and it will visually look like I am updating on the same line. So the...
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What's the key difference between HTML 4 and HTML 5?

...cy in Handling Malformed Documents The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. The problem is that the rules for doing this aren't written down anywhere....