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C# loop - break vs. continue
...continue will just skip the current iteration.
For example:
for (int i = 0; i < 10; i++) {
if (i == 0) {
break;
}
DoSomeThingWith(i);
}
The break will cause the loop to exit on the first iteration - DoSomeThingWith will never be executed. This here:
for (int i = 0; i <...
Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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How to get hex color value rather than RGB value?
...
var hexDigits = new Array
("0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f");
//Function to convert rgb color to hex format
function rgb2hex(rgb) {
rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
return "#" + hex(rgb[1]) + hex(rg...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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105
You could try using the interactive option for python:
python -i program.py
This will execut...
Can a for loop increment/decrement by more than one?
...
Use the += assignment operator:
for (var i = 0; i < myVar.length; i += 3) {
Technically, you can place any expression you'd like in the final expression of the for loop, but it is typically used to update the counter variable.
For more information about each step ...
How do I browse an old revision of a Subversion repository through the web view?
...Bert Huijben's comment:
If your repository is hosted using Subversion 1.6.0 or later, you can
use example.com/svnrepository/?p=3 for the same result... This method
/is/ documented. (?r= revision of the file, ?p= operational revision
of the URL). See the subversion 1.6 release notes
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Best way to test if a generic type is a string? (C#)
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answered Aug 28 '08 at 2:08
Matt HamiltonMatt Hamilton
183k5959 gold badges376376 silver badges317317 bronze badges
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Which terminal command to get just IP address and nothing else?
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You can write a script that only return the IP like:
/sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}'
For MAC:
ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d\ -f2
Or for linux system
hostname -i | awk '{print $3}' # Ubuntu
hostname -i # Debian
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How do I verify/check/test/validate my SSH passphrase?
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edited Jun 6 at 21:40
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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How to remove an element from an array in Swift
... without the elements you want removed, e.g:
let pets = animals.filter { $0 != "chimps" }
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