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How can I concatenate regex literals in JavaScript?
... (r1.multiline ? 'm' : ''));
console.log(r3);
var m = 'test that abcdef and abcdef has a match?'.match(r3);
console.log(m);
// m should contain 2 matches
This will also give you the ability to retain the regular expression flags from a previous RegExp using the standard ...
Check if an array contains any element of another array in JavaScript
...t;= 0)
How it works
some(..) checks each element of the array against a test function and returns true if any element of the array passes the test function, otherwise, it returns false. indexOf(..) >= 0 and includes(..) both return true if the given argument is present in the array.
...
String formatting: % vs. .format vs. string literal
...
what about "%(a)s, %(a)s" % {'a':'test'}
– ted
Aug 23 '12 at 9:53
130
...
What is the difference between self::$bar and static::$bar in PHP?
...
{
protected static $bar = 'parent value';
public static function test()
{
var_dump('I am your father');
var_dump('self:: here means '.self::$bar);
var_dump('static:: here means '.static::$bar);
}
}
class Bar extends Foo
{
protected static $bar = 'chil...
Safe String to BigDecimal conversion
... notice that method. Thanks, that seems to be the best way to do it. Gonna test it now and if it works properly - accept the answer.
– bezmax
Sep 20 '10 at 15:03
15
...
Return string without trailing slash
...getting issue of str.slice(0, -1) branch not covered for this line on unit test. How to fix that?
– Bijay Rai
Jun 26 at 3:12
1
...
What are the undocumented features and limitations of the Windows FINDSTR command?
... and BUG in part 2 of answer
Source of data to search (Updated based on tests with Windows 7)
Findstr can search data from only one of the following sources:
filenames specified as arguments and/or using the /F:file option.
stdin via redirection findstr "searchString" <file
data stream from...
Xcode 4.4 error - Timed out waiting for app to launch
... does it not have to be able to run set to release for apple to be able to test it out? Im getting a crash rejection because it crashes on first run. The only way I've been able to replicate this crash is by setting Buid config: to release.
– Andres Canella
Nov...
Python `if x is not None` or `if not x is None`?
... see what literals are evaluated to True or False in Python:
Truth Value Testing
Edit for comment below:
I just did some more testing. not x is None doesn't negate x first and then compared to None. In fact, it seems the is operator has a higher precedence when used that way:
>>> x...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
... trying to do a cross-domain XMLHttpRequest via CORS...
Make sure you're testing via http://. Scripts running via file:// have limited support for CORS.
Make sure the browser actually supports CORS. (Opera and Internet Explorer are late to the party)
...