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How to calculate date difference in JavaScript?
... to get the difference in milliseconds:
var difference = date2 - date1;
From there, you can use simple arithmetic to derive the other values.
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?
...
The sign indicates the offset of the local time from GMT
– Steven Moseley
Jul 2 '13 at 0:50
1
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How to display all methods of an object?
...-in, they're defined by the browser and most likely enumerable by design.
From ECMA-262 Edition 3:
Global Object
There is a unique global
object (15.1), which is created before
control enters any execution context.
Initially the global object has the
following properties:
• B...
Structure padding and packing
... struct in an array */
} x;
Packing, on the other hand prevents compiler from doing padding - this has to be explicitly requested - under GCC it's __attribute__((__packed__)), so the following:
struct __attribute__((__packed__)) mystruct_A {
char a;
int b;
char c;
};
would produce s...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...se header for CORS-enabled resources, even for non-CORS requests and those from a disallowed origin (see example why).
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How to delete a file or folder?
...shutil.rmtree() deletes a directory and all its contents.
Path objects from the Python 3.4+ pathlib module also expose these instance methods:
pathlib.Path.unlink() removes a file or symbolic link.
pathlib.Path.rmdir() removes an empty directory.
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How do you create nested dict in Python?
...t;> d
{'dict1': {'innerkey': 'value'}}
You can also use a defaultdict from the collections package to facilitate creating nested dictionaries.
>>> import collections
>>> d = collections.defaultdict(dict)
>>> d['dict1']['innerkey'] = 'value'
>>> d # currentl...
How to capitalize the first letter of a String in Java?
I am using Java to get a String input from the user. I am trying to make the first letter of this input capitalized.
55 ...
Deep cloning objects
...en an object gets too complex.
And with the use of extension methods (also from the originally referenced source):
In case of you prefer to use the new extension methods of C# 3.0, change the method to have the following signature:
public static T Clone<T>(this T source)
{
//...
}
Now the ...
kernel stack and user space stack
...rence between kernel stack and user stack ?
In short, nothing - apart from using a different location in memory (and hence a different value for the stackpointer register), and usually different memory access protections. I.e. when executing in user mode, kernel memory (part of which is the ker...