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Creating my own Iterators
...rs. I have written an article about this very topic; it's in the December 2008 ACCU magazine. It discusses an (IMO) elegant solution for exactly your problem: exposing member collections from an object, using Boost.Iterators.
If you want to use the stl only, the Josuttis book has a chapter on imple...
What does %5B and %5D in POST requests stand for?
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As per this answer over here: str='foo%20%5B12%5D' encodes foo [12]:
%20 is space
%5B is '['
and %5D is ']'
This is called percent encoding and is used in encoding special characters in the url parameter values.
EDIT By the way as I was reading https://develope...
How to declare constant map
...a pseudo-constant), you can do:
var romanNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNume...
How to track down log4net problems
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answered Apr 16 '09 at 13:59
David EspartDavid Espart
10.4k66 gold badges3333 silver badges4848 bronze badges
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Setting an object to null vs Dispose()
...tringBuilder are already eligible
// for garbage collection here!
int y = 10;
DoSomething(y);
// These aren't helping at all!
x = null;
sb = null;
// Assume that x and sb aren't used here
The one time where it may be worth setting a local variable to null is when you're in a loop, and some branc...
PHP: How to handle
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hakre
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answered Jun 4 '10 at 0:13
Josh DavisJosh Davis
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PHP regular expressions: No ending delimiter '^' found in
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PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also:...
Expand/collapse section in UITableView in iOS
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109
You have to make your own custom header row and put that as the first row of each section. Subc...
How to check whether a string contains a substring in JavaScript?
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14067
ECMAScript 6 introduced String.prototype.includes:
const string = "foo";
const substri...
How to print a double with two decimals in Android? [duplicate]
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207
yourTextView.setText(String.format("Value of a: %.2f", a));
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