大约有 44,000 项符合查询结果（耗时：0.0918秒） [XML]
Code for a simple JavaScript countdown timer?
...imple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
...
About catching ANY exception
...ght it!"
However, this will also catch exceptions like KeyboardInterrupt and you usually don't want that, do you? Unless you re-raise the exception right away - see the following example from the docs:
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (...
Converting XML to JSON using Python?
I've seen a fair share of ungainly XML->JSON code on the web, and having interacted with Stack's users for a bit, I'm convinced that this crowd can help more than the first few pages of Google results can.
...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
...
CSS: How to position two elements on top of each other, without specifying a height?
...t I need to find a way to position these two elements on top of each other and have the container stretch as the content stretches:
...
How to create a file with a given size in Linux?
...ocksize will perform much worse once it gets very big, as it will allocate and read that amount into memory before writing. If this is somethig like bs=4GiB you'll probably end up swapping.
– Brian
Sep 29 '08 at 7:40
...
How to execute raw SQL in Flask-SQLAlchemy app
... raw SQL then you control the transactions, so you have to issue the BEGIN and COMMIT statements yourself.
– Miguel
Jan 30 '14 at 23:47
1
...
Generating random numbers in Objective-C
I'm a Java head mainly, and I want a way to generate a pseudo-random number between 0 and 74. In Java I would use the method:
...
Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
...
How to get just one file from another branch
I am using git and working on master branch. This branch has a file called app.js .
10 Answers
...