大约有 43,000 项符合查询结果（耗时：0.0367秒） [XML]
Iterate over the lines of a string
...ef f4(foo=foo):
stri = StringIO(foo)
while True:
nl = stri.readline()
if nl != '':
yield nl.strip('\n')
else:
raise StopIteration
Measuring gives:
$ python -mtimeit -s'import asp' 'list(asp.f4())'
1000 loops, best of 3: 406 usec per loop
n...
Linux: copy and create destination dir if it does not exist
...hink you need the test -d: mkdir -p still succeeds even if the directory already exists.
– ephemient
Oct 7 '09 at 15:33
...
What does $@ mean in a shell script?
...difference between the two ..." In order to get short sentences and raise readability the reader has to read more than one sentence before giving a verdict :-/
– Alfe
Apr 5 '12 at 15:41
...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
... which don't really matter in this environment. You can give the process a read only root file system, an isolated loopback network connection, and you can still kill it easily and set memory limits etc.
Seccomp is going to be a bit difficult, as the code cannot even allocate memory.
Selinux is th...
What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...
Read this:
http://www.quora.com/OAuth-2-0/How-does-OAuth-2-0-work
or an even simpler but quick explanation:
http://agileanswer.blogspot.se/2012/08/oauth-20-for-my-ninth-grader.html
The redirect URI is the callback entry p...
What are some common uses for Python decorators? [closed]
...ts, since Python 2.5 you can use a with statement in conjunction with a threading.Lock (or multiprocessing.Lock since version 2.6) object to simplify the decorator's implementation to just:
import functools
def synchronized(lock):
""" Synchronization decorator """
def wrap(f):
@fu...
Bash if statement with multiple conditions throws an error
...which prevents the shell from recognizing it as an operator at all. Please read BashFAQ #17 (on grouping) and #31 (on the difference between different types of test expression). Actually, in this case it would be even easier to use an arithmetic expression.
– Gordon Davisson
...
Best way to show a loading/progress indicator?
...();
OR
ProgressDialog.show(this, "Loading", "Wait while loading...");
Read more here.
By the way, Spinner has a different meaning in Android. (It's like the select dropdown in HTML)
share
|
im...
Single huge .css file vs. multiple smaller specific .css files? [closed]
...h options have their pros and cons in my opinion.
I personally don't love reading through a single HUGE CSS file, and maintaining it is very difficult. On the other hand, splitting it out causes extra http requests which could potentially slow things down.
My opinion would be one of two things.
...
Regex Named Groups in Java
...our own version of Regex...
That is precisely what Gorbush2 did in this thread.
Regex2
(limited implementation, as pointed out again by tchrist, as it looks only for ASCII identifiers. tchrist details the limitation as:
only being able to have one named group per same name (which you don’t ...