大约有 26,000 项符合查询结果（耗时：0.0399秒） [XML]
How do I append one string to another in Python?
I want an efficient way to append one string to another in Python, other than the following.
10 Answers
...
Detect blocked popup in Chrome
I am aware of javascript techniques to detect whether a popup is blocked in other browsers (as described in the answer to this question ). Here's the basic test:
...
What are metaclasses in Python?
In Python, what are metaclasses and what do we use them for?
22 Answers
22
...
Java multiline string
Coming from Perl, I sure am missing the "here-document" means of creating a multi-line string in source code:
42 Answers
...
Java compile speed vs Scala compile speed
I've been programming in Scala for a while and I like it but one thing I'm annoyed by is the time it takes to compile programs. It's seems like a small thing but with Java I could make small changes to my program, click the run button in netbeans, and BOOM, it's running, and over time compiling in ...
Should I index a bit field in SQL Server?
I remember reading at one point that indexing a field with low cardinality (a low number of distinct values) is not really worth doing. I admit I don't know enough about how indexes work to understand why that is.
...
How to get a file or blob from an object URL?
...via drag&drop and other methods. When an image is dropped, I'm using URL.createObjectURL to convert to an object URL to display the image. I am not revoking the url, as I do reuse it.
...
Python in Xcode 4+?
How does one create a Python friendly environment in Xcode 4, 5, 6 or 7?
8 Answers
8
...
'dragleave' of parent element fires when dragging over children elements
I have the following HTML structure and I've attached the dragenter and dragleave events to the <div id="dropzone"> element.
...
How to create id with AUTO_INCREMENT on Oracle?
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.
16 Answers
...