大约有 667 项符合查询结果（耗时：0.0166秒） [XML]
Capturing Groups From a Grep RegEx
...the fourth example fails this match as well.
If you have GNU grep (around 2.5 or later, I think, when the \K operator was added):
name=$(echo "$f" | grep -Po '(?i)[0-9]+_\K[a-z]+(?=_[0-9a-z]*)').jpg
The \K operator (variable-length look-behind) causes the preceding pattern to match, but doesn't ...
Programmatically fire button click event?
...e with NSTimer .
NSTimer *quick = [NSTimer scheduledTimerWithTimeInterval:2.5 target:self selector:@selector(MeFirst:) userInfo:nil repeats:NO];
MeFirst is the method i have created.
share
|
impr...
Python Requests and persistent sessions
I am using the requests module (version 0.10.0 with Python 2.5).
I have figured out how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests.
Can someone fill in the ellipsis in the code below or sug...
Fastest method of screen capturing on Windows
...expecting it to be faster.
I was dismayed to find that GDI performs about 2.5x faster. After 100 trials capturing my dual monitor display, the GDI implementation averaged 0.65s per screen capture, while the DirectX method averaged 1.72s. So GDI is definitely faster than GetFrontBuffer, according to...
Android: Background Image Size (in Pixel) which Support All Devices
...ne: It has a 1080 x 1920 resolution at 441 dpi, and a screen size of 4.4 x 2.5 inches. Then from the the android developer docs:
ldpi (low) ~120dpi
mdpi (medium) ~160dpi
hdpi (high) ~240dpi
xhdpi (extra-high) ~320dpi
xxhdpi (extra-extra-high) ~480dpi
xxxhdpi (extra-extra-extra-high...
How to make an immutable object in Python?
... advantage of this variant compared to hand-written analog (even on Python 2.5 (using verbose parameter to namedtuple the code is easily generated)) is the single interface/implementation of a namedtuple is preferrable to dozens ever so slightly different hand-written interfaces/implementations tha...
How do I exclude all instances of a transitive dependency when using Gradle?
... {
exclude group:"org.apache.geronimo.specs", module: "geronimo-servlet_2.5_spec"
exclude group:"ch.qos.logback", module:"logback-core"
}
Now the exclude block has two properties group and module. For those of you coming from maven background, group is same as groupId and module is same as a...
How to get the groups of a user in Active Directory? (c#, asp.net)
...as using GetAuthorizationGroups and was horrified that it was taking 300ms-2.5s to get all groups. Your method is done in 20-30 ms.
– Keith
Oct 12 '16 at 19:07
...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
...tton to wake the screen. I now put this code into a timer that fires every 2.5 hours to reset the idle timer, hopefully this will work.
share
|
improve this answer
|
follow
...
App Inventor 2 扩展 · App Inventor 2 中文网
...ing projects with extension components
2.4 Deleting extension components
2.5 Sharing projects that use extension components
2.6 Extension component repositories
2.7 Naming extension components
2.8 Updating projects that use extensions
How to create extension components
3.1 Practice creati...