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How to initialize log4j properly?
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Hi a3. 14_Infinity where i should use this? i can't understand. even i have referred more answers for this issue. please help me
– Ravi Potnuru
Jul 27 '17 at 10:06
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How to get the path of a running JAR file?
...he following: "a" through "z", "A" through "Z", "0" through "9", and "-", "_", ".", and "*". The character "%" is allowed but is interpreted as the start of a special escaped sequence.
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There are two possible ways in which this decoder could deal with illegal strings. It could either le...
Search code inside a Github project
...r.com/#!/github/status/197070106768048128), like I did (twitter.com/#!/VonC_/status/197565733830541313)
– VonC
May 17 '12 at 11:25
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How to free memory in Java?
...e (hence the UseG1GC argument above).
VM arguments
Update: For java 1.8.0_73 I have seen the JVM occasionally release small amounts with the default settings. Appears to only do it if ~70% of the heap is unused though.. don't know if it would be more aggressive releasing if the OS was low on physi...
How to add a border just on the top side of a UIView
... = color
addSublayer(border)
}
private func addCorner(_ corner: Corner, thickness: CGFloat, color: CGColor) {
// Set default to top left
let width = frame.size.width; let height = frame.size.height
var x = cornerRadius
var startAngle: CGFloat = .p...
Checking network connection
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Perhaps you could use something like this:
import urllib2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. ...
Turning live() into on() in jQuery
...ould be something like
$(document.body).on('change', 'select[name^="income_type_"]', function() {
alert($(this).val());
});
Although it is better if you bind the event handler as close as possible to the elements, that is, to an element being closer in the hierarchy.
Update: While answering ...
Is an index needed for a primary key in SQLite?
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It's mention in the sqlite_master table with a name starting with sqlite_autoindex_.
– dan04
Jul 31 '10 at 19:17
2
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What's the difference between using INDEX vs KEY in MySQL?
... at table info in the latest version of SQLYog it shows KEY keyname (column_name) when I created the table with INDEX keyname (column_name). The fact that it is a synonym explains it perfectly.
– crmpicco
Apr 2 '14 at 10:10
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Rails 3 check if attribute changed
...mentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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