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What is the difference between RegExp’s exec() function and String’s match() function?
...w...
re_once = /([a-z])([A-Z])/
re_glob = /([a-z])([A-Z])/g
st = "aAbBcC"
console.log("match once="+ st.match(re_once)+ " match glob="+ st.match(re_glob))
console.log("exec once="+ re_once.exec(st) + " exec glob="+ re_glob.exec(st))
console.log("exec once="+ re_once.exec(st) + " e...
UICollectionView auto scroll to cell at IndexPath
... atScrollPosition:UICollectionViewScrollPositionRight animated:NO];
}
}
Swift :
override func viewWillLayoutSubviews() {
super.viewWillLayoutSubviews()
if (!self.initialScrollDone) {
self.initialScrollDone = true
self.testNameCollectionV...
Symbolicating iPhone App Crash Reports
...sh log file:
...
Binary Images:
0xe1000 - 0x1f0fff +example armv7 <aa5e633efda8346cab92b01320043dc3> /var/mobile/Applications/9FB5D11F-42C0-42CA-A336-4B99FF97708F/example.app/example
0x2febf000 - 0x2fedffff dyld armv7s <4047d926f58e36b98da92ab7a93a8aaf> /usr/lib/dyld
...
In this...
What is the purpose of python's inner classes?
...parent = parent
def make_B(self):
return self.B(self)
class AA(A): # Inheritance
class B(A.B): # Inheritance, same class name
pass
This code leads to a quite reasonable and predictable behaviour:
>>> type(A().make_B())
<class '__main__.A.B'>
>>>...
Modify tick label text
...
answered Jun 28 '12 at 18:37
Joe KingtonJoe Kington
223k5858 gold badges528528 silver badges435435 bronze badges
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Chrome extension: force popup.html to close
I'm wondering is there anyway I can force popup.html to close?
1 Answer
1
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Regular vs Context Free Grammars
... Regular grammars can be ambiguous (example from Kai Kuchenbecker: S -> aA | aB, B -> a, A -> a). The only thing is that there is only one way the nodes in the syntax tree can be positioned (for instance the associativity ambiguity does not exist when a regular grammar is used). Second: The...
PHP append one array to another (not array_push or +)
...thout array_merge, for avoid a memory copy.
$array1 = array_fill(0,50000,'aa');
$array2 = array_fill(0,100,'bb');
// Test 1 (array_merge)
$start = microtime(true);
$r1 = array_merge($array1, $array2);
echo sprintf("Test 1: %.06f\n", microtime(true) - $start);
// Test2 (avoid copy)
$start = microt...
How to apply two CSS classes to a single element
...he class attribute, separated by whitespace (ref):
<a class="c1 c2">aa</a>
2) To target elements that contain all of the specified classes, use this CSS selector (no space) (ref):
.c1.c2 {
}
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How to do URL decoding in Java?
...at article too balusc.blogspot.in/2009/05/unicode-how-to-get-characters-right.html
– crackerplace
Jul 16 '14 at 20:32
...