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C/C++ NaN constant (literal)?
Is this possible to assign a NaN to a double or float in C/C++? Like in JavaScript you do: a = NaN . So later you can check if the variable is a number or no.
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How to remove leading and trailing zeros in a string? Python
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What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
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How to add include path in Qt Creator?
... have a project I'm working on in Qt creator that requires a third-party library. I want to add the headers to the include path for the project. How do I do this?
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What is the use of the ArraySegment class?
I just came across the ArraySegment<byte> type while subclassing the MessageEncoder class.
6 Answers
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How to show full object in Chrome console?
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Use console.dir() to output a browse-able object you can click through instead of the .toString() version, like this:
console.dir(functor);
Prints a JavaScript representation of the specified object. If the object being logged is an HTML element, th...
What is the purpose of the -nodes argument in openssl?
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The option -nodes is not the English word "nodes", but rather is "no DES". When given as an argument, it means OpenSSL will not encrypt the private key in a PKCS#12 file.
To encrypt the private key, you can omit -nodes and your key will be encrypted with 3DES-CBC. To encry...
A definitive guide to API-breaking changes in .NET
I would like to gather as much information as possible regarding API versioning in .NET/CLR, and specifically how API changes do or do not break client applications. First, let's define some terms:
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How to view DLL functions?
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For native code it's probably best to use Dependency Walker. It also possible to use dumpbin command line utility that comes with Visual Studio.
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Google fonts URL break HTML5 Validation on w3.org
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URL encode the | (pipe characters) in the href attribute (%7C):
<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Open+Sans:400,600,300,800,700,400italic%7CPT+Serif:400,400italic%7CBree+Serif">
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Package objects
What are package objects, not so much the concept but their usage?
4 Answers
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