大约有 42,000 项符合查询结果（耗时：0.0730秒） [XML]
Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
...
How slow are .NET exceptions?
I don't want a discussion about when to and not to throw exceptions. I wish to resolve a simple issue. 99% of the time the argument for not throwing exceptions revolves around them being slow while the other side claims (with benchmark test) that the speed is not the issue. I've read numerous blogs,...
Why is `std::move` named `std::move`?
...cast to rvalue - more specifically to an xvalue, as opposed to a prvalue. And it is also true that having a cast named move sometimes confuses people. However the intent of this naming is not to confuse, but rather to make your code more readable.
The history of move dates back to the original mo...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded.
...
Eclipse does not highlight matching variables
...gt; Text Editors > Annotations
Compare the settings for 'Occurrences' and 'Write Occurrences'
Make sure that you don't have the 'Text as higlighted' option checked for one of them.
This should fix it.
share
|...
How do I “un-revert” a reverted Git commit?
Given a change that has been committed using commit , and then reverted using revert , what is the best way to then undo that revert?
...
How to change max_allowed_packet size
...on in your file:
max_allowed_packet=500M
then restart the MySQL service and you are done.
See the documentation for further information.
share
|
improve this answer
|
fol...
“R cannot be resolved to a variable”? [duplicate]
In Eclipse, I've created a project from a source and now it shows errors - "R cannot be resolved to a variable". From what I found here, I had cleared and rebuilt the project, but still the R file doesn't appear in the /gen folder.
...
Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...ly? Typically one batch file runs another synchronously with the call command, and the second one would share the first one's window.
You can use start /b second.bat to launch a second batch file asynchronously from your first that shares your first one's window. If both batch files write to the ...
How do I set up a basic Ruby project?
...o create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework.
4 Ans...