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Default constructor with empty brackets

...lt;T>(ifs)), std::istream_iterator<T>()); Or, if you have C++11 and list-initialization (also known as uniform initialization) available: std::vector<T> v{std::istream_iterator<T>{ifs}, std::istream_iterator<T>{}}; With this, there is no way it could be interpreted as...
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Bootstrap Dropdown with Hover

... So much better than long 'full-built' solutions. Just add this and the default 'click' dropdown works on hover without extra changes. – IamFace Apr 13 '14 at 19:59 51 ...
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How to run a shell script on a Unix console or Mac terminal?

I know it, forget it and relearn it again. Time to write it down. 7 Answers 7 ...
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TypeScript static classes

...classes? In C# a static class is simply a class that cannot be subclassed and must contain only static methods. C# does not allow one to define functions outside of classes. In TypeScript this is possible, however. If you're looking for a way to put your functions/methods in a namespace (i.e. not ...
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npm can't find package.json

... Update 2018 This is becoming quite a popular question and my answer (although marked as correct) is no longer valid. Please refer to Deepali's answer below: npm init Original Outdated Answer I think you forgot to setup the directory for express: express <yourdirectory&gt...
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How can I check for “undefined” in JavaScript? [duplicate]

.../ true As @CMS pointed out, this has been patched in ECMAScript 5th ed., and undefined is non-writable. if (window.myVar) will also include these falsy values, so it's not very robust: false 0 "" NaN null undefined Thanks to @CMS for pointing out that your third case - if (myVariable) can als...
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How to parse a CSV file in Bash?

...want to read cells from a CSV file into Bash variables. I can parse lines and the first column, but not any other column. Here's my code so far: ...
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Unable to resolve host “”; No address associated with hostname [closed]

In my Android application for reading RSS links, I am getting this error: 17 Answers ...
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Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent

I have downloaded some open source software written in Java and tried to compile it using Eclipse. I got the error: " The hierarchy of the type 'Class name' is inconsistent " in some files. What causes these errors and how do I fix them? ...
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How does java do modulus calculations with negative numbers?

...modulus of negative numbers are in use - some languages use one definition and some the other. If you want to get a negative number for negative inputs then you can use this: int r = x % n; if (r > 0 && x < 0) { r -= n; } Likewise if you were using a language that returns a neg...