大约有 40,000 项符合查询结果（耗时：0.0438秒） [XML]
string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
...
Fixed stroke width in SVG
I would like to be able to set the stroke-width on an SVG element to be "pixel-aware", that is always be 1px wide regardless of the current scaling transformations applied. I am aware that this may well be impossible, since the whole point of SVG is to be pixel independent.
...
Python Threading String Arguments
...s=(dRecieved,)) # <- note extra ','
processThread.start()
Or use brackets to make a list:
dRecieved = connFile.readline()
processThread = threading.Thread(target=processLine, args=[dRecieved]) # <- 1 element list
processThread.start()
If you notice, from the stack trace: self.__target...
How do HTML parses work if they're not using regexp?
I see questions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
...
In PHP, how do you change the key of an array element?
I have an associative array in the form key => value where key is a numerical value, however it is not a sequential numerical value. The key is actually an ID number and the value is a count. This is fine for most instances, however I want a function that gets the human-readable name of the arr...
SQL Server equivalent of MySQL's NOW()?
I'm a MySQL guy working on a SQL Server project, trying to get a datetime field to show the current time. In MySQL I'd use NOW() but it isn't accepting that.
...
Can I scroll a ScrollView programmatically in Android?
...
Xavi
18.8k1313 gold badges6767 silver badges6262 bronze badges
answered Jun 22 '11 at 10:16
AndroidAndroid
...
How is “int* ptr = int()” value initialization not illegal?
The following code (taken from here ):
5 Answers
5
...
Finding duplicate values in a SQL table
...ccepted answer).
Oracle isn't mainstream enough (warning: humour, I don't know about Oracle).
share
|
improve this answer
|
follow
|
...
Return None if Dictionary key is not available
I need a way to get a dictionary value if its key exists, or simply return None , if it does not.
11 Answers
...