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Default initialization of std::array?
...an explicit initializer will be default initialized (C++11 §8.5/11). That includes objects of type std::array<T, N> and T[N].
Be aware that there are types for which default initialization has no effect and leaves the object's value indeterminate: any non-class, non-array type (§8.5/6). Con...
Check if an element is present in an array [duplicate]
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ECMAScript 2016 incorporates an includes() method for arrays that specifically solves the problem, and so is now the preferred method.
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(1, 2); // false (second parame...
Can you use if/else conditions in CSS?
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You could create two separate stylesheets and include one of them based on the comparison result
In one of the you can put
background-position : 150px 8px;
In the other one
background-position : 4px 8px;
I think that the only check you can perform in CSS is browse...
How much is the overhead of smart pointers compared to normal pointers in C++?
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Could you please include some details in your answer about the cases I added to my question?
– Venemo
Mar 12 '14 at 10:03
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...r in front. BEGIN PRIVATE KEY is PKCS#8 and indicates that the key type is included in the key data itself. From the link:
The unencrypted PKCS#8 encoded data starts and ends with the tags:
-----BEGIN PRIVATE KEY-----
BASE64 ENCODED DATA
-----END PRIVATE KEY-----
Within the base64 encoded...
WPF Data Binding and Validation Rules Best Practices
... I've also found the Cinch framework (cinch.codeplex.com), which includes a demo of best practices validation in WPF+MVVM, and uses IDataErrorInfo
– Mark Heath
Sep 4 '09 at 6:37
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How do I strip all spaces out of a string in PHP? [duplicate]
...r_replace:
$string = str_replace(' ', '', $string);
For all whitespace (including tabs and line ends), use preg_replace:
$string = preg_replace('/\s+/', '', $string);
(From here).
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impr...
Where does gcc look for C and C++ header files?
...eprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=cpp` -v
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Why do you have to link the math library in C?
If I include <stdlib.h> or <stdio.h> in a C program I don't have to link these when compiling but I do have to link to <math.h> , using -lm with gcc, for example:
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When should one use a 'www' subdomain?
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There are a ton of good reasons to include it, the best of which is here:
Yahoo Performance Best Practices
Due to the dot rule with cookies, if you don't have the 'www.' then you can't set two-dot cookies or cross-subdomain cookies a la *.example.com. There ...