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How do I declare an array of weak references in Swift?
...AnyObject> {
mutating func reap () {
self = self.filter { nil != $0.value }
}
}
The use of AnyObject above should be replaced with T - but I don't think the current Swift language allows an extension defined as such.
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How to change to an older version of Node.js
I am running Node.js version v0.5.9-pre on Ubuntu 10.10.
15 Answers
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How to create a file in memory for user to download, but not through server?
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20 Answers
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PostgreSQL - max number of parameters in “IN” clause?
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According to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all ...
jQuery get textarea text
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answered Sep 28 '08 at 0:17
Eran GalperinEran Galperin
81.9k2222 gold badges112112 silver badges132132 bronze badges
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Get cursor position (in characters) within a text Input field
...r) position of the specified text field (oField).
** Return value range is 0-oField.value.length.
*/
function doGetCaretPosition (oField) {
// Initialize
var iCaretPos = 0;
// IE Support
if (document.selection) {
// Set focus on the element
oField.focus();
// To get cursor po...
How to calculate time elapsed in bash script?
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20 Answers
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How to configure encoding in Maven?
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answered Jun 10 '10 at 20:17
Ethan LeroyEthan Leroy
11.8k55 gold badges3232 silver badges5252 bronze badges
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Dynamically changing font size of UILabel
...omes deprecated.
Multiline case is reduced to:
factLabel.numberOfLines = 0;
factLabel.lineBreakMode = NSLineBreakByWordWrapping;
CGSize maximumLabelSize = CGSizeMake(factLabel.frame.size.width, CGFLOAT_MAX);
CGSize expectSize = [factLabel sizeThatFits:maximumLabelSize];
factLabel.frame = CGRectMak...
SQL order string as number
...h forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not cont...