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Getting command-line password input in Python
...s function requires a proper terminal, so it can turn off echoing of typed characters – see “GetPassWarning: Can not control echo on the terminal” when running from IDLE for further details.
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Grabbing the href attribute of an A element
...matches <a at the begining of the string, followed by any number of any char (non greedy) .*? then href= followed by the link surrounded by either " or '
$str = '<a title="this" href="that">what?</a>';
preg_match('/^<a.*?href=(["\'])(.*?)\1.*$/', $str, $m);
var_dump($m);
Output:...
How can we match a^n b^n with Java regex?
...finalized pattern, with additional test cases, including one that's 10,000 characters long:
$tests = array(
'aaa', 'aaab', 'aaaxb', 'xaaab', 'b', 'abbb', 'aabb', 'aaabbbbb', 'aaaaabbb',
'', 'ab', 'abb', 'aab', 'aaaabb', 'aaabbb', 'bbbaaa', 'ababab', 'abc',
str_repeat('a', 5000).str_repeat('b',...
How can I convert my device token (NSData) into an NSString?
...rForRemoteNotificationsWithDeviceToken deviceToken: NSData) {
let tokenChars = UnsafePointer<CChar>(deviceToken.bytes)
var tokenString = ""
for i in 0..<deviceToken.length {
tokenString += String(format: "%02.2hhx", arguments: [tokenChars[i]])
}
print("tokenStr...
How to add line breaks to an HTML textarea?
...ce("\r\n", "\\r\\n")
on the server side, because with just single escape chars javascript was not parsing.
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How can I render inline JavaScript with Jade / Pug?
...ersion 7.0
The docs says you should use a script tag now, followed by a . char and no preceding space.
Example:
script.
if (usingJade)
console.log('you are awesome')
else
console.log('use jade')
will be compiled to
<script>
if (usingJade)
console.log('you are awesome')
...
How many spaces will Java String.trim() remove?
...tation means by "whitespace". It would seem logical that it would be where Chararacter.isWhitespace is true, but that is not what it means by "whitespace" ..
– user2864740
Nov 30 '13 at 9:17
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How to select between brackets (or quotes or …) in Vim?
...nerally looking for a way to select everything between predefined matching chars (normally only single and double quotes, and brackets of all kinds).
– Rook
Jun 30 '09 at 6:03
2
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Check if a path represents a file or a folder
...irectory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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Java: Integer equals vs. ==
...s small integers.
If the value p being boxed is true, false, a byte, a char in the range \u0000 to \u007f, or an int or short number between -128 and 127, then let r1 and r2 be the results of any two boxing conversions of p. It is always the case that r1 == r2.
Resources :
JLS - Boxing
O...