大约有 14,529 项符合查询结果（耗时：0.0213秒） [XML]
Finding three elements in an array whose sum is closest to a given number
... log n). Now we execute this algorithm:
for (i in 1..n-2) {
j = i+1 // Start right after i.
k = n // Start at the end of the array.
while (k >= j) {
// We got a match! All done.
if (A[i] + A[j] + A[k] == 0) return (A[i], A[j], A[k])
// We didn't match. Let's try to get a ...
Does Python have a string 'contains' substring method?
... be, but not entirely correct. What if you have punctuation or it's at the start or end? What about capitalisation? Better would be a case insensitive regex search for \bis\b (word boundaries).
– Bob
Nov 8 '12 at 0:07
...
Can't get Gulp to run: cannot find module 'gulp-util'
...installed gulp as explained here: http://markgoodyear.com/2014/01/getting-started-with-gulp/ :
10 Answers
...
Difference in Months between two dates in JavaScript
... 12th, 2010
);
// Result: 1
(Note that month values in JavaScript start with 0 = January.)
Including fractional months in the above is much more complicated, because three days in a typical February is a larger fraction of that month (~10.714%) than three days in August (~9.677%), and of c...
What is the difference between dict.items() and dict.iteritems() in Python2?
...ams - Regarding "more space and time" : At what size of dictionary do they start to matter. Say I've a "large" dictionary {1:'one', 2:'two', ... } over which I want to iterate on a webserver and render the results. At what scale should I start to worry about choosing .items() vs .iteritems() for Pyt...
Detect when browser receives file download
..., and include the token in a GET/POST field.
Show the "waiting" indicator.
Start a timer, and every second or so, look for a cookie named "fileDownloadToken" (or whatever you decide).
If the cookie exists, and its value matches the token, hide the "waiting" indicator.
The server algorithm:
Look ...
Run automatically program on startup under linux ubuntu [closed]
I'd need a program to be run every time I startup my ubuntu linux. So I'd need to add it to my startup programs list. Just one problem: I'd need to do it via terminal.
...
How to restart tomcat 6 in ubuntu [closed]
How can one restart and start Tomcat 6 on Ubuntu from the command line with a default installation?
1 Answer
...
mongod, mac os x - rlimits warning [closed]
...s x 10.8 and suddenly yesterday at my logs appeared this warning (and when starting shell it's present too) -
1 Answer
...
Linux MySql的启动、关闭 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...添加服务，则会报错：
[root@iZ23rlmiwviZ home]# service mysql start
Redirecting to /bin/systemctl start mysql.service
Failed to start mysql.service: Unit mysql.service failed to load: No such file or directory.
添加服务具体步骤如下：
首先找到mysql.server，一般在...