大约有 35,500 项符合查询结果（耗时：0.0514秒） [XML]
Explicitly select items from a list or tuple
...
list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342, 217, 998, 500)...
How do I get the path of the current executed file in Python?
...
80
You can't directly determine the location of the main script being executed. After all, sometim...
SQL NVARCHAR and VARCHAR Limits
... selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement
...
How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...
170
You don't fetch a branch, you fetch an entire remote:
git fetch origin
git merge origin/an-othe...
How do I check if an element is really visible with JavaScript? [duplicate]
...
+100
For the point 2.
I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an el...
What are the differences between .so and .dylib on osx?
...oaded.
Historically, the differences were more significant. In Mac OS X 10.0, there was no way to dynamically load libraries. A set of dyld APIs (e.g. NSCreateObjectFileImageFromFile, NSLinkModule) were introduced with 10.1 to load and unload bundles, but they didn't work for dylibs. A dlopen co...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...where. The CRT DLL used by your program has a different name (like msvcrt90.dll).
share
|
improve this answer
|
follow
|
...
XSD: What is the difference between xs:integer and xs:int?
...
110
The difference is the following:
xs:int is a signed 32-bit integer.
xs:integer is an integer un...
How to build Qt for Visual Studio 2010
...a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
...
(Built-in) way in JavaScript to check if a string is a valid number
...xamples
isNaN(123) // false
isNaN('123') // false
isNaN('1e10000') // false (This translates to Infinity, which is a number)
isNaN('foo') // true
isNaN('10px') // true
Of course, you can negate this if you need to. For example, to implement the IsNumeric example you gav...