大约有 11,000 项符合查询结果（耗时：0.0186秒） [XML]
How can I time a code segment for testing performance with Pythons timeit?
I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
...
Adding a column to a data.frame
I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
...
Generate random password string with requirements in javascript
I want to generate a random string that has to have 5 letters from a-z and 3 numbers.
18 Answers
...
How can I get the active screen dimensions?
What I am looking for is the equivalent of System.Windows.SystemParameters.WorkArea for the monitor that the window is currently on.
...
Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
...
How to sort in-place using the merge sort algorithm?
I know the question is not too specific.
10 Answers
10
...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
... just started to look at the Scala collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example...
...
How to use ng-repeat without an html element
...
8 Answers
8
Active
...