大约有 40,000 项符合查询结果（耗时：0.0404秒） [XML]
How to use count and group by at the same select statement
...
chelmertz
18.1k44 gold badges3838 silver badges4545 bronze badges
answered Apr 27 '10 at 15:17
OdedOded
...
CSS selector for text input fields?
...ectable with attribute selectors, one could try to cover other cases of markup for which text inputs are rendered:
input:not([type]), // type attribute not present in markup
input[type=""], // type attribute present, but empty
input[type=text] // type is explicitly defined as 'text'
Still this le...
Is there an easy way to request a URL in python and NOT follow redirects?
Looking at the source of urllib2 it looks like the easiest way to do it would be to subclass HTTPRedirectHandler and then use build_opener to override the default HTTPRedirectHandler, but this seems like a lot of (relatively complicated) work to do what seems like it should be pretty simple.
...
How do I ignore the initial load when watching model changes in AngularJS?
... using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisible until the user dirties the model.
...
Should I return EXIT_SUCCESS or 0 from main()?
It's a simple question, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ?
...
Why do we need break after case statements?
Why doesn't the compiler automatically put break statements after each code block in the switch? Is it for historical reasons? When would you want multiple code blocks to execute?
...
How can I remove a flag in C?
...riable that holds some flags and I want to remove one of them. But I don't know how to remove it.
3 Answers
...
How to find unused/dead code in java projects [closed]
...
I would instrument the running system to keep logs of code usage, and then start inspecting code that is not used for months or years.
For example if you are interested in unused classes, all classes could be instrumented to log when instances are created. And then...
JavaScript variable assignments from tuples
In other languages like Python 2 and Python 3, you can define and assign values to a tuple variable, and retrieve their values like this:
...
How to access command line parameters?
The Rust tutorial does not explain how to take parameters from the command line. fn main() is only shown with an empty parameter list in all examples.
...