大约有 34,900 项符合查询结果（耗时：0.0412秒） [XML]
Is Java Regex Thread Safe?
... Instances of the Matcher class are not safe for such use.
If you are looking at performance centric code, attempt to reset the Matcher instance using the reset() method, instead of creating new instances. This would reset the state of the Matcher instance, making it usable for the next regex oper...
Finding the max value of an attribute in an array of objects
I'm looking for a really quick, clean and efficient way to get the max "y" value in the following JSON slice:
13 Answers
...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...
JonathanJonathan
28.5k3636 gold badges120120 silver badges197197 bronze badges
...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
I know that the compiler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens.
...
Can a unit test project load the target application's app.config file?
...listed in the deployment section will be copied into the test project's working folder before the tests are run, so your config-dependent code will run fine.
Edit: I forgot to add, this will not work in all situations, so you may need to include a startup script that renames the output .config to m...
When restoring a backup, how do I disconnect all active connections?
My SQL Server 2005 doesn't restore a backup because of active connections. How can I force it?
10 Answers
...
How to remove a key from a Python dictionary?
When deleting a key from a dictionary, I use:
13 Answers
13
...
How to specify new GCC path for CMake
...
Do not overwrite CMAKE_C_COMPILER, but export CC (and CXX) before calling cmake:
export CC=/usr/local/bin/gcc
export CXX=/usr/local/bin/g++
cmake /path/to/your/project
make
The export only needs to be done once, the first time you configure t...
Is there a best practice for generating html with javascript
...lling a web service that returns an array of objects in JSON. I want to take those objects and populate a div with HTML. Let's say each object contains a url and a name.
...
Emulate a do-while loop in Python?
...hon program. Unfortunately, the following straightforward code does not work:
16 Answers
...