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How can I lock a file using java (if possible)
... Tom Hawtin - tacklineTom Hawtin - tackline
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Efficiently test if a port is open on Linux?
...n, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!"
exec 6>&- # close output connection
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How to select from subquery using Laravel Query Builder?
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134
In addition to @delmadord's answer and your comments:
Currently there is no method to create s...
How to get the number of days of difference between two dates on mysql?
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263
What about the DATEDIFF function ?
Quoting the manual's page :
DATEDIFF() returns expr1 –...
Where are the PostgreSQL logs on macOS?
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35
On OS X, if you're using the EnterpriseDB installation of PostgreSQL, your log files will be in...
Rounded UIView using CALayers - only some corners - How?
...s code to change it:
http://discussions.apple.com/thread.jspa?threadID=1683876
Make an iPhone project with the View template. In the view controller, add this:
- (void)viewDidLoad
{
CGRect rect = CGRectMake(10, 10, 200, 100);
MyView *myView = [[MyView alloc] initWithFrame:rect];
[self...
MSSQL Error 'The underlying provider failed on Open'
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Jun 21 '10 at 2:17
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How to convert enum value to int?
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359
You'd need to make the enum expose value somehow, e.g.
public enum Tax {
NONE(0), SALES(1...
Faster way to develop and test print stylesheets (avoid print preview every time)?
...indows, Linux))
2. Start typing Rendering and select Show Rendering.
3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type emulation can be found here:...
how to stop browser back button using javascript
...sable the back button, but none are guaranteed:
http://www.irt.org/script/311.htm
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