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Get number of digits with JavaScript
...hematically. For positive integers there is a wonderful algorithm with log10:
var length = Math.log(number) * Math.LOG10E + 1 | 0; // for positive integers
For all types of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, ...
Remove a string from the beginning of a string
...gex:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
if (substr($str, 0, strlen($prefix)) == $prefix) {
$str = substr($str, strlen($prefix));
}
Takes: 0.0369 ms (0.000,036,954 seconds)
And with:
$prefix = 'bla_';
$str = 'bla_string_bla_bla_bla';
$str = preg_replace('/^' . preg_quote($p...
How to get complete address from latitude and longitude?
...
520
Geocoder geocoder;
List<Address> addresses;
geocoder = new Geocoder(this, Locale.getDefaul...
UIButton remove all target-actions
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answered Jul 27 '10 at 4:56
progrmrprogrmr
69.8k1515 gold badges106106 silver badges147147 bronze badges
...
Is there a Java equivalent to C#'s 'yield' keyword?
...options I know of is Aviad Ben Dov's infomancers-collections library from 2007 and Jim Blackler's YieldAdapter library from 2008 (which is also mentioned in the other answer).
Both will allow you to write code with yield return-like construct in Java, so both will satisfy your request. The notable ...
Save modifications in place with awk
...
150
In GNU Awk 4.1.0 (released 2013) and later, it has the option of "inplace" file editing:
[...] ...
Avoiding an ambiguous match exception
...
answered Dec 28 '09 at 13:16
Benjamin PodszunBenjamin Podszun
8,96833 gold badges3030 silver badges4040 bronze badges
...
How do I make a simple makefile for gcc on Linux?
... |
edited Nov 27 '10 at 2:14
answered Sep 28 '09 at 0:12
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How update the _id of one MongoDB Document?
...t in a variable
doc = db.clients.findOne({_id: ObjectId("4cc45467c55f4d2d2a000002")})
// set a new _id on the document
doc._id = ObjectId("4c8a331bda76c559ef000004")
// insert the document, using the new _id
db.clients.insert(doc)
// remove the document with the old _id
db.clients.remove({_id: Ob...
Python Regex instantly replace groups
...king with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
it worked from the firsttime, This is a p...