大约有 36,010 项符合查询结果（耗时：0.0496秒） [XML]
How do I find a default constraint using INFORMATION_SCHEMA?
I'm trying to test if a given default constraint exists. I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
...
Is there a way to add/remove several classes in one single instruction with classList?
So far I have to do this:
14 Answers
14
...
What is the global interpreter lock (GIL) in CPython?
... an issue for CPython, the reference implementation. Jython and IronPython don't have a GIL. As a Python developer, you don't generally come across the GIL unless you're writing a C extension. C extension writers need to release the GIL when their extensions do blocking I/O, so that other threads in...
How to urlencode data for curl command?
...e that special characters are processed properly. What is the best way to do this?
33 Answers
...
How to set the JDK Netbeans runs on?
...ministrator privileges are needed to edit netbeans.conf, at least under Windows 7. I tried editing the file without Administrator privileges and while it appeared to work, apparently Windows actually saved the updated file as a separate copy that was only visible to me via Windows Explorer. When N...
What does “error: option --single-version-externally-managed not recognized” indicate?
...y wish to use the --egg option instead, as it's more appropriate for those doing manual installations where you're not intending to create a system package for distribution.
share
|
improve this ans...
Python - Passing a function into another function
... python. you can pass them around, include them in dicts, lists, etc. Just don't include the parenthesis after the function name. Example, for a function named myfunction: myfunction means the function itself, myfunction() means to call the function and get its return value instead.
...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
...have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fo...
Adding new column to existing DataFrame in Python pandas
...the original df1 indexes to create the series:
df1['e'] = pd.Series(np.random.randn(sLength), index=df1.index)
Edit 2015
Some reported getting the SettingWithCopyWarning with this code.
However, the code still runs perfectly with the current pandas version 0.16.1.
>>> sLength = len(df...
How to embed a text file in a .NET assembly?
...
Right-click the project file, select Properties.
In the window that opens, go to the Resources tab, and if it has just a blue link in the middle of the tab-page, click it, to create a new resource.
Then from the toolbar above the tab-page, select to add a new text file, give it a ...