大约有 46,000 项符合查询结果（耗时：0.0757秒） [XML]
if…else within JSP or JSTL
I want to output some HTML code based on some condition in a JSP file.
13 Answers
13
...
Unmount the directory which is mounted by sshfs in Mac [closed]
... and used sshfs to mount a remote directory. Now I would like to unmount it, but can't find the way.
My OS is OSX 10.8 Mountain.
Can anyone help?
...
What is the best way to call a script from another script?
I have a script named test1.py which is not in a module. It just has code that should execute when the script itself is run. There are no functions, classes, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service.
...
What's the most efficient way to test two integer ranges for overlap?
...
What does it mean for the ranges to overlap? It means there exists some number C which is in both ranges, i.e.
x1 <= C <= x2
and
y1 <= C <= y2
Now, if we are allowed to assume that the ranges are well-formed (so that ...
Switch case with fallthrough?
I am looking for the correct syntax of the switch statement with fallthrough cases in Bash (ideally case-insensitive).
In PHP I would program it like:
...
Recommended way to stop a Gradle build
...etecting a problem? I can use an assert, throw an exception, do a System.exit (bad idea), or use a dedicated function in Gradle (but I could not find one). What is the best way for Gradle (and why?).
...
LoaderManager with multiple loaders: how to get the right cursorloader
To me it's not clear how to get the right cursor if you have multiple Loaders. Lets say you define two different Loader with:
...
How can I send large messages with Kafka (over 15MB)?
I send String-messages to Kafka V. 0.8 with the Java Producer API.
If the message size is about 15 MB I get a MessageSizeTooLargeException .
I have tried to set message.max.bytes to 40 MB, but I still get the exception. Small messages worked without problems.
...
The difference between try/catch/throw and try/catch(e)/throw e
...
The constructions
try { ... }
catch () { ... } /* You can even omit the () here */
try { ... }
catch (Exception e) { ... }
are similar in that both will catch every exception thrown inside the try block (and, unless you are simply using this to log the exceptions, should be avoided). No...
Java: random long number in 0
... (for m ≤ x < n). See @Alex's answer for detail.
If you are stuck with Java 6 (or Android 4.x) you need to use an external library (e.g. org.apache.commons.math3.random.RandomDataGenerator.getRandomGenerator().nextLong(0, n-1), see @mawaldne's answer), or implement your own nextLong(n).
Acc...