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Why is volatile needed in C?
...olatile variable.
There are at least three common reasons to use it, all involving situations where the value of the variable can change without action from the visible code: When you interface with hardware that changes the value itself; when there's another thread running that also uses the ...
How to remove a package in sublime text 2
...
If you installed with package control, search for "Package Control: Remove Package" in the command palette (accessed with Ctrl+Shift+P). Otherwise you can just remove the Emmet directory.
If you wish to use a custom caption to access c...
What are the lesser known but useful data structures?
There are some data structures around that are really useful but are unknown to most programmers. Which ones are they?
83 A...
Rails 3.1 and Image Assets
I have put all my images for my admin theme in the assets folder within a folder called admin. Then I link to it like normal ie.
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...olution:
Increasing the number of cursors on the database (if resources allow) or
Decreasing the number of threads in the application.
Cursor leak
The applications is not closing ResultSets (in JDBC) or cursors (in stored procedures on the database)
Solution: Cursor leaks are bugs; increasin...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
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This actually refers to the Delta between layout position from iOS6 to iOS7.
In iOS7, some views can hide the status bar or have it transparent and, in effect, it is overlaid on top of your view. So if you put a UI element at (0.0...
Go to particular revision
...oincidence. Git has no concept of the "next" commit; history is a DAG with all arrows pointing backwards. You should run git log --oneline and stick the output into a text file for reference (the abbreviated sha1 sums it provides are guaranteed to be unique). Another option, if your history is linea...
Using Gradle to build a jar with dependencies
...ration instead of the now deprecated compile. The above code builds me a small jar without the dependencies. When I change it ( from { configurations.implementation.collect {...} }), an error occurs saying that resolving configuration 'implementation' directly is not allowed
– ...
Regular expression for matching HH:MM time format
...t number (hours) is either:
a number between 0 and 19 --> [0-1]?[0-9] (allowing single digit number)
or
a number between 20 - 23 --> 2[0-3]
the second number (minutes) is always a number between 00 and 59 --> [0-5][0-9] (not allowing a single digit)
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CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue
... edited Aug 14 '17 at 18:00
callum
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answered Jun 22 '11 at 0:13
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