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GetHashCode Guidelines in C#
...why the hash code must not change for the lifetime of the object, and just one reason why writing GetHashCode implementations is a pain in the butt.
Update
Eric Lippert has posted a blog that gives excellent information on GetHashCode.
Additional Update
I've made a couple of changes above:
I ma...
Haskell function composition (.) and function application ($) idioms: correct use
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Well, I cannot hope for a better answer than this one; from one of the authors himself. :) And that makes sense, it does look much quieter on the page as I read. Marking this as the answer because It directly answers the question. Thankyou for the response; and, infact, the ...
How to save a dictionary to a file?
...a text file (the format must be same), I only want to change the member_phone field.
10 Answers
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How to add an object to an array
...push(b);
// a[0] === b;
Extra information on Arrays
Add more than one item at a time
var x = ['a'];
x.push('b', 'c');
// x = ['a', 'b', 'c']
Add items to the beginning of an array
var x = ['c', 'd'];
x.unshift('a', 'b');
// x = ['a', 'b', 'c', 'd']
Add the contents of one array to ano...
Default implementation for Object.GetHashCode()
...o a dictionary, reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why string overrides GetHashCode. On the other hand, suppose you want to keep a count of how many ...
How to sort Map values by key in Java?
...ation order.... why not we using LinkedHashSet ? We just put the questions one by one, and it is getting ordered by the order of the insertation. Can some help me out with this ?
– Karoly
Jun 19 '15 at 13:15
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Problems with contenttypes when loading a fixture in Django
...thout the --natural option and it worked. Also the documentation here says one should use this option if DUMPING auth.permission and contenttypes.
– wlnirvana
Dec 26 '14 at 5:05
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Does Internet Explorer 8 support HTML 5?
...answered Nov 14 '08 at 8:04
hsivonenhsivonen
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How to convert int[] to Integer[] in Java?
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Native Java 8 (one line)
With Java 8, int[] can be converted to Integer[] easily:
int[] data = {1,2,3,4,5,6,7,8,9,10};
// To boxed array
Integer[] what = Arrays.stream( data ).boxed().toArray( Integer[]::new );
Integer[] ever = IntStream...
How to get the current working directory in Java?
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@ubuntudroid: that's why i mentioned specifically that it will print the path from where the application had initialized. My guess the thread starter directly run the jar/program after starting commnad prompt (which is basically at C:\WINDOWS\system32). I h...