大约有 46,000 项符合查询结果（耗时：0.0306秒） [XML]
What is the best regular expression to check if a string is a valid URL?
...
1
2
Next
415
...
Regular expression that matches valid IPv6 addresses
...section 2.2 of rfc5952)
link-local IPv6 addresses with zone index (section 11 of rfc4007)
IPv4-Embedded IPv6 Address (section 2 of rfc6052)
IPv4-mapped IPv6 addresses (section 2.1 of rfc2765)
IPv4-translated addresses (section 2.1 of rfc2765)
IPv6 Regular Expression:
(([0-9a-fA-F]{1,4}:){7,7}[0-...
xkcd style graphs in MATLAB
...
119
I see two ways to solve this: The first way is to add some jitter to the x/y coordinates of th...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...
10 Answers
10
Active
...
Validating IPv4 addresses with regexp
...uch luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
...
What is the easiest way to remove the first character from a string?
...
15 Answers
15
Active
...
Convert light frequency to RGB?
...
answered Sep 24 '09 at 15:47
Stephen MesaStephen Mesa
4,31333 gold badges2121 silver badges1616 bronze badges
...
How to find list intersection?
actual output: [1,3,5,6]
expected output: [1,3,5]
11 Answers
11
...
Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
How to change the order of DataFrame columns?
...
1
2
Next
921
...