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How to install PostgreSQL's pg gem on Ubuntu?
...dev ... Removing libnspr4-dev ... Removing libqt4-core ... Removing libqt4-test ... Removing libsqlite3-dev ... Processing triggers for man-db ..
– palani
Jun 25 '10 at 7:17
3
...
How to create local notifications?
...sound = UNNotificationSound.default()
content.categoryIdentifier = "notify-test"
let trigger = UNTimeIntervalNotificationTrigger.init(timeInterval: 5, repeats: false)
let request = UNNotificationRequest.init(identifier: "notify-test", content: content, trigger: trigger)
let center = UNUserNotifica...
Getting a list item by index
...
@Paul McCarthy: you could easily test this yourself, but Yes. A list hold references to objects. Clearing the list does not affect the objects held in it. If there are no other references to those objects, they will be garbage collected at some point in time...
jQuery disable a link
...rtain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expanded. If it is visible (i.e. not hidden) the link should fire as normal, as the if statement will not be entered, and thus the default behaviour will not be prevented:
$('ul ...
Extract digits from a string in Java
...){
sb.append(c);
}
}
return sb.toString();
}
Test Code:
public static void main(final String[] args){
final String input = "0-123-abc-456-xyz-789";
final String result = stripNonDigits(input);
System.out.println(result);
}
Output:
0123456789
BTW: I ...
Swift Beta performance: sorting arrays
...firm that Clang does something about it), since a profiler run on the last test-case of this question yields this “pretty” result:
As was said by many others, -Ofast is totally unsafe and changes language semantics. For me, it's at the “If you're going to use that, just use another languag...
PHP mail function doesn't complete sending of e-mail
...subject, $message, $headers); // $recipient should be $to
Another way to test this is to hard code the recipient value into the mail() function call:
mail('user@example.com', $subject, $message, $headers);
This can apply to all of the mail() parameters.
Send to multiple accounts
To help rule...
How can you find the height of text on an HTML canvas?
...t, descent and height (which is just ascent + descent for convenience). To test it, it's worth having a function that draws a horizontal line:
var testLine = function(ctx, x, y, len, style) {
ctx.strokeStyle = style;
ctx.beginPath();
ctx.moveTo(x, y);
ctx.lineTo(x + len, y);
ctx.closePat...
How to convert numbers between hexadecimal and decimal
...cimal values.
Here is the code that illustrates that idea. My performance tests showed that it can be 20%-40% faster than Convert.ToInt32(...):
class TableConvert
{
static sbyte[] unhex_table =
{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1...
Favicon: .ico or .png / correct tags? [duplicate]
...
@Mageek Never tested it with lower case.
– rudimenter
Jul 15 '13 at 9:23
...