大约有 35,100 项符合查询结果（耗时：0.0417秒） [XML]
Do you leave parentheses in or out in Ruby? [closed]
... out parenthesis, in general, resist this
temptation.
Parenthesis make the code easier to
follow. General Ruby style is to use
them, except in the following cases:
Always leave out empty parentheses
The parentheses can be left out of a single command that is surrounded by
ERb ...
How to remove the underline for anchors(links)?
Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ?
15 Answers
...
How do I load a file into the python console?
...or Python 3) give this a try:
execfile('file.py')
Example usage:
C:\junk>copy con execfile_example.py
a = [9, 42, 888]
b = len(a)
^Z
1 file(s) copied.
C:\junk>\python27\python
Python 2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyr...
Save Javascript objects in sessionStorage
SessionStorage and LocalStorage allows to save key/value pairs in a web browser. The value must be a string, and save js objects is not trivial.
...
How do I open a second window from the first window in WPF?
...ndows, such as window1 and window2. I have one button in window1. If I click that button, the window2 has to open. What should I do for that?
...
Error when trying vagrant up
...
It looks like you may have created a Vagrant project with just vagrant init. That will create your Vagrantfile, but it won't have a box defined.
Instead, you could try
$ vagrant init hashicorp/precise32
$ vagrant up
which uses ...
What is the difference between IEqualityComparer and IEquatable?
...d IEquatable<T> should be used.
The MSDN documentation for both looks very similar.
5 Answers
...
How can my iphone app detect its own version number?
I'm writing an iPhone app. It's already been published, but I would like to add a feature where its version number is displayed.
...
Get current URL of UIWebView
...st.URL .
Unfortunately the NSURL was empty. Anything wrong here? I am working with Xcode 3.2.2 beta 5.
14 Answers
...
How to retrieve the current version of a MySQL database management system (DBMS)?
... So the command should be
mysqld --version
or
mysqld --help
That works for me on Debian and Windows.
When connected to a MySQL server with a client you can use
select version()
or
select @@version
share
...