大约有 46,000 项符合查询结果（耗时：0.0664秒） [XML]
Examples of GoF Design Patterns in Java's core libraries
...
You can find an overview of a lot of design patterns in Wikipedia. It also mentions which patterns are mentioned by GoF. I'll sum them up here and try to assign as many pattern implementations as possible, found in both the Java SE and Java EE APIs.
Creational patterns
Abstract factory (rec...
Get list of passed arguments in Windows batch script (.bat)
...
dancavallaro has it right, %* for all command line parameters (excluding the script name itself). You might also find these useful:
%0 - the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.)
%1 is the first co...
Rails 3 check if attribute changed
...available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
share
|
improve this answer
|
...
Algorithm to detect intersection of two rectangles?
I'm looking for an algorithm to detect if two rectangles intersect (one at an arbitrary angle, the other with only vertical/horizontal lines).
...
How to initialize log4j properly?
...og4j.properties or log4j.xml on the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section).
For example:
java -Dlog4j.configuration=customName ....
Will cause log4j to look for ...
Running multiple TeamCity Agents on the same computer?
We have several build machines, each running a single TeamCity build agent. Each machine is very strong, and we'd like to run several build agents on the same machine.
...
Why should a function have only one exit-point? [closed]
I've always heard about a single exit-point function as a bad way to code because you lose readability and efficiency. I've never heard anybody argue the other side.
...
What is difference between sjlj vs dwarf vs seh?
...rocess. On Linux, I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory.
2...
Java - sending HTTP parameters via POST method easily
I am successfully using this code to send HTTP requests with some parameters via GET method
17 Answers
...
Visualizing branch topology in Git
I'm playing with Git in isolation on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that ...