大约有 48,000 项符合查询结果（耗时：0.0476秒） [XML]
What is the most pythonic way to check if an object is a number?
...
answered Aug 9 '10 at 15:31
Steven RumbalskiSteven Rumbalski
38.2k77 gold badges7575 silver badges107107 bronze badges
...
How to generate random number in Bash?
... shell arithmetic. For instance, to generate a random number between 1 and 10 (inclusive):
$ echo $((1 + RANDOM % 10))
3
The actual generator is in variables.c, the function brand(). Older versions were a simple linear generator. Version 4.0 of bash uses a generator with a citation to a 1985 pape...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...
10 Answers
10
Active
...
BestPractice - Transform first character of a string into lower case
...
user2864740
51.6k1010 gold badges104104 silver badges176176 bronze badges
answered Aug 25 '10 at 10:45
onofonof
...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...ue
"joe" === "bob" # false
# but ranges match any value they include
(1..10) === 5 # true
(1..10) === 19 # false
(1..10) === (1..10) # false (the range does not include itself)
# arrays just match equal arrays, but they do not match included values!
[1,2,3] === [1,2,3] # true
[1,2,3...
What exactly does an #if 0 … #endif block do?
...
|
edited May 17 '10 at 21:31
answered May 17 '10 at 21:24
...
How do I append one string to another in Python?
...
10 Answers
10
Active
...
Returning first x items from array
...
answered Oct 15 '09 at 10:11
knittlknittl
184k4242 gold badges255255 silver badges306306 bronze badges
...
How to read if a checkbox is checked in PHP?
...
answered Dec 29 '10 at 14:07
m_vitalym_vitaly
11k44 gold badges4242 silver badges5959 bronze badges
...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
... about twice as long. It's a very short string (max 3 characters - Excel 2010 goes up to column XFD), so maximum of 2 string concatenations. (I used 100 iterations of translating the integers 1 to 16384, i.e. Excel columns A to XFD, as the test).
– Graham
May 4...