大约有 44,300 项符合查询结果（耗时：0.0505秒） [XML]
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...took advantage of the predefined unix macro:
main() { printf(&unix["\021%six\012\0"],(unix)["have"]+"fun"-0x60);}
It prints "unix", but for reasons that have absolutely nothing to do with the spelling of the macro name.
...
Which characters need to be escaped when using Bash?
...
291
There are two easy and safe rules which work not only in sh but also bash.
1. Put the whole s...
Version number comparison in Python
... then compare the lists of numbers.
import re
def mycmp(version1, version2):
def normalize(v):
return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
return cmp(normalize(version1), normalize(version2))
This is the same approach as Pär Wieslander, but a bit more compact:
...
Common programming mistakes for Clojure developers to avoid [closed]
...va hexadecimal values via the 0x prefix. You can also use any base between 2 and 36 by using the "base+r+value" notation, such as 2r101010 or 36r16 which are 42 base ten.
Trying to return literals in an anonymous function literal
This works:
user> (defn foo [key val]
{key val})
#'user/fo...
How to send JSON instead of a query string with $.ajax?
...
257
You need to use JSON.stringify to first serialize your object to JSON, and then specify the co...
How to get number of entries in a Lua table?
...
132
You already have the solution in the question -- the only way is to iterate the whole table with...
Print text instead of value from C enum
...
answered Jul 2 '10 at 18:46
Tyler McHenryTyler McHenry
66.2k1515 gold badges112112 silver badges157157 bronze badges
...
How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
...
382
Place the following code in config/initializers/quiet_assets.rb
if Rails.env.development?
Rai...
Setting the correct encoding when piping stdout in Python
...
162
Your code works when run in an script because Python encodes the output to whatever encoding you...
symfony 2 twig limit the length of the text and put three dots
...
208
{{ myentity.text|length > 50 ? myentity.text|slice(0, 50) ~ '...' : myentity.text }}
You...