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How do I format a number in Java?

... You and String.format() will be new best friends! https://docs.oracle.com/javase/1.5.0/docs/api/java/util/Formatter.html#syntax String.format("%.2f", (double)value); share | ...
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display: inline-block extra margin [duplicate]

... font-size: 0 to parent container (Source: https://twitter.com/garand/status/183253526313566208) share | improve this answer | follow ...
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How do you check if a variable is an array in JavaScript? [duplicate]

...me. Array.prototype, is actually an array. you can read more about it here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray variable instanceof Array This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you'...
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What is the coolest thing you can do in

...y "Hide" There are a great many other commands you can use. Check http://www.microsoft.com/technet/scriptcenter/funzone/agent.mspx for more information. EDIT 2011-09-02 I recently discovered that Microsoft Agent is not natively installed on Windows 7. However it is offered as a separate download ...
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How do you get the length of a string?

... to be computed as following: [..."????"].length or create an auxiliary function function uniLen(s) { return [...s].length } share | improve this answer | follow ...
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Should I call Close() or Dispose() for stream objects?

... if (count != 0) { writer.Write(buffer, 0, count); } } https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-8.0/using share | improve this answer ...
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C++, copy set to vector

... back_inserter may be used but it will invoke push_back() on the vector (https://en.cppreference.com/w/cpp/iterator/back_insert_iterator). emplace_back() is more efficient because it avoids creating a temporary when using push_back(). It is not a problem with trivially constructed types but will b...
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Undo git mv (rename)

... Lol. That's fun. – Dmitriy Dokshin Mar 31 at 21:50 Did ...
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Event system in Python

...ent() >>> e() >>> e.append(f) >>> e(123) f(123) >>> e.remove(f) >>> e() >>> e += (f, g) >>> e(10) f(10) g(10) >>> del e[0] >>> e(2) g(2) """ def __call__(self...
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String isNullOrEmpty in Java? [duplicate]

...ing just has whitespace(s). What does "empty" means in real world ? Sounds fun to me! – asyncwait Feb 27 '14 at 15:01 ...