大约有 40,000 项符合查询结果（耗时：0.0596秒） [XML]
Install a module using pip for specific python version
...hen I have installed Python 2.7. How can I use pip install to install packages for Python 2.7.
14 Answers
...
What's the simplest way to test whether a number is a power of 2 in C++?
I need a function like this:
17 Answers
17
...
How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
14...
defaultdict of defaultdict?
Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work?
6 Answers
...
foreach with index [duplicate]
...
I keep this extension method around for this:
public static void Each<T>(this IEnumerable<T> ie, Action<T, int> action)
{
var i = 0;
foreach (var e in ie) action(e, i++);
}
And use it like so:
var ...
Download File to server from URL
...ecified file. This is similar with using
stream_copy_to_stream().
(Thanks Hakre.)
share
|
improve this answer
|
follow
|
...
Drop all tables whose names begin with a certain string
...le [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'prefix%'
OPEN cmds
WHILE 1 = 1
BEGIN
FETCH cmds INTO @cmd
IF @@fetch_status != 0 BREAK
EXEC(@cmd)
END
CLOSE cmds;
DEALLOCATE cmds
This is cleaner than using a two-step approach of generate script plus run. ...
Does a `+` in a URL scheme/host/path represent a space?
...Dec 19 '16 at 16:08
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered Jun 17 '09 at 9:43
...
Windows 7 SDK installation failure
I seem to be completely unable to install the Windows 7 SDK onto my machine, and the only solution I've found on the web is to make a swathe of registry changes. I've done this - still no success.
...
How to embed a SWF file in an HTML page?
...ash player upgrade. Once the user has upgraded, they will be redirected back to the page.
An example from the documentation:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" x...