大约有 44,000 项符合查询结果（耗时：0.0679秒） [XML]
@ variables in Ruby on Rails
What's the difference between @title and title ? Since both of them can be variable names. Also, how do I decide which kind of variable I should use? With @ or not?
...
Useful example of a shutdown hook in Java?
...oolean) "keepRunning" to false
(Optionally, .interrupt the working threads if they wait for data in some blocking call)
Wait for the working threads (executing writeBatch in your case) to finish, by calling the Thread.join() method on the working threads.
Terminate the program
Some sketchy code:
...
AngularJS: How to clear query parameters in the URL?
...
This anwers works perfect if you want to delete an especific param, thanks.
– Dexxo
Nov 4 '16 at 21:59
| ...
Changing UIButton text
...l's text value using its own title values, so that you can set up to four different strings for the four states (normal, highlighted, selected, disabled).
Because of this feature, setting the titleLabel's text directly won't persist, and will be reset by the button when it lays out its subviews.
...
SQL standard to escape column names?
Is there a SQL standard to escape a column name? If not what works for MySQL and SQLite? does it also work for SQL Server?
...
How does one escape backslashes and forward slashes in VIM find/search?
For instance, if I wanted to a find and replace with strings containing backward or forward slashes, how would this be accomplished in vim? Thank you!
...
When I catch an exception, how do I get the type, file, and line number?
...ould be careful about unpacking sys.exc_info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like tracebac...
omp parallel vs. omp parallel for
What is the difference between these two?
6 Answers
6
...
Changing website favicon dynamically
...fox, Opera, and Chrome (unlike every other answer posted here). Here is a different demo of code that works in IE11 too. The following example might not work in Safari or Internet Explorer.
/*!
* Dynamically changing favicons with JavaScript
* Works in all A-grade browsers except Safari and Inter...
Convert InputStream to byte array in Java
...
If there is a library that handles the requirement, and deals with processing for large files, and is well tested, surely the question is why would I write it myself? The jar is only 107KB and if you have need for one method ...