大约有 14,600 项符合查询结果(耗时:0.0250秒) [XML]
Why does python use 'else' after for and while loops?
...ct. The relevant section is "Distinguishing multiple exit points in loops" starting at 15:50 and continuing for about three minutes. Here are the high points:
The for ... else construct was devised by Donald Knuth as a replacement for certain GOTO use cases;
Reusing the else keyword made sense bec...
Export Postgresql table data using pgAdmin
...
it generates dump having table data script starts with COPY command not INSERT. Anyway to generate script with INSERT commands.
– Muhammad Imran Tariq
Jun 29 '12 at 7:42
...
system(“pause”); - Why is it wrong?
...
I had this same question when I first started C a few years ago, and I was pointed to that same article. I use getchar() personally.
– John T
Jul 10 '09 at 4:39
...
Force SSL/https using .htaccess and mod_rewrite
...ne above, for it's simplicity), but the following may be, at least, a good start.
RewriteEngine on
# Check for POST Submission
RewriteCond %{REQUEST_METHOD} !^POST$
# Forcing HTTPS
RewriteCond %{HTTPS} !=on [OR]
RewriteCond %{SERVER_PORT} 80
# Pages to Apply
RewriteCond %{REQUEST_URI} ^something_...
Is it possible to install another version of Python to Virtualenv?
...usr/bin/python)
--clear Clear out the non-root install and start from scratch
--no-site-packages Don't give access to the global site-packages dir to
the virtual environment
--unzip-setuptools Unzip Setuptools or Distribute when installing it
--rel...
How to read a CSV file into a .NET Datatable
...
We always used to use the Jet.OLEDB driver, until we started going to 64 bit applications. Microsoft has not and will not release a 64 bit Jet driver. Here's a simple solution we came up with that uses File.ReadAllLines and String.Split to read and parse the CSV file and manual...
In Vim, how do you search for a word boundary character, like the \b in regexp?
...
Use \< and \> for word start and word end, respectively.
E.g. In your specific case you would use:
/the\>/
share
|
improve this answer
...
One SVN repository or many?
...small to enterprise applications and their corporate website. Their plan? Start with a single repository, migrate to multiple if necessary. The migration is almost complete and they're still on a single repository, no complaints or issues reported due to it being a single repository.
This isn't a...
Initializing a list to a known number of elements in Python [duplicate]
... Hours in a day doesn't change, and if I change bins/hour I'll stop and restart the program, so I always want (currently) 4 * 24 = 96 bins. It seems natural to me (with a C / C++ / C# / etc. background) to start by initializing each bin to 0. How is this an optimization, whether premature or not?...
Programmatically open Maps app in iOS 6
...Key];
[endingItem openInMapsWithLaunchOptions:launchOptions];
This will start the navigation for driving from the current location.
share
|
improve this answer
|
follow
...
