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How to check status of PostgreSQL server Mac OS X
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edited Nov 2 '11 at 4:03
answered Nov 2 '11 at 3:25
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How can you encode a string to Base64 in JavaScript?
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26 Answers
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Why must we define both == and != in C#?
... behavior, I can only firmly say that it is in the standard (EMCA-334 17.9.2)2. The standard does not specify why. I believe this is due to the fact that C# borrows much behavior from C++. See below for more on this.
When you override != and ==, you do not have to return bool.
This is another...
How do I interpret precision and scale of a number in a database?
I have the following column specified in a database: decimal(5,2)
3 Answers
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Fast way to get image dimensions (not filesize)
...more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole first.
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symfony 2 twig limit the length of the text and put three dots
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{{ myentity.text|length > 50 ? myentity.text|slice(0, 50) ~ '...' : myentity.text }}
You...
PHP substring extraction. Get the string before the first '/' or the whole string
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Use explode()
$arr = explode("/", $string, 2);
$first = $arr[0];
In this case, I'm using th...
Group by with multiple columns using lambda
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var query = source.GroupBy(x => new { x.Column1, x.Column2 });
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...opy过去编译和调试，我把代码列在下面：
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char...