大约有 8,000 项符合查询结果（耗时：0.0211秒） [XML]
Difference between JSP EL, JSF EL and Unified EL [closed]
...ere those ${} things which works in JSTL tags only. It is designed to call Javabean get methods.
Nov 2003: JSP 2.0 was introduced and EL was moved from JSTL 1.0 to JSP 2.0 in javax.servlet.jsp.el package and it became standard EL as part of J2EE 1.4 standard. JSTL 1.1 was shipped without EL. Now ${}...
How to convert OutputStream to InputStream?
... answered Apr 25 '11 at 13:36
Java DrinkerJava Drinker
2,93911 gold badge1717 silver badges1919 bronze badges
...
In log4j, does checking isDebugEnabled before logging improve performance?
...
This is also the approach of java.util.Logging.
– Paul
Jun 14 '11 at 20:07
...
FFmpeg on Android
...C++ code to export the functionality you need out of ffmpeg into a library java can interact with through JNI. The NDK allows you to easily link against the static libraries you've generated in step 1, just add a line similar to this to Android.mk: LOCAL_STATIC_LIBRARIES := libavcodec libavformat li...
Different types of thread-safe Sets in Java
... lot of different implementations and ways to generate thread-safe Sets in Java.
Some examples include
4 Answers
...
Is SHA-1 secure for password storage?
...a derivative from the time-memory trade-off first described by Hellman in 1980. Assuming that you have N possible passwords (that's the size of your dictionary, or 2n if you consider brute-forcing a hash function with an output of n bits), there is a time-sharing attack in which you precompute the N...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
I'm working on getting my database to talk to my Java programs.
38 Answers
38
...
Creating temporary files in Android
...se the File.deleteOnExit() method
https://developer.android.com/reference/java/io/File.html#deleteOnExit()
It is referenced here https://developer.android.com/reference/java/io/File.html#createTempFile(java.lang.String, java.lang.String, java.io.File)
...
Load HTML file into WebView
... html page along with several other resources pointed by it (css files and Javascript libraries) that I would like to load into a WebView . How could this be achieved ?
...
Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
...