大约有 4,000 项符合查询结果（耗时：0.0130秒） [XML]
How can you automatically remove trailing whitespace in vim
...
Compilation of above plus saving cursor position:
fun! <SID>StripTrailingWhitespaces()
let l = line(".")
let c = col(".")
keepp %s/\s\+$//e
call cursor(l, c)
endfun
autocmd FileType c,cpp,java,php,ruby,python autocmd BufWritePre <buffer> :call &l...
Last iteration of enhanced for loop in java
...
Although the code is more slick/neat/fun, it is less obvious than the if version. Always use the more obvious/readable version.
– Bill K
Nov 13 '08 at 19:07
...
Python __str__ and lists
...
Two easy things you can do, use the map function or use a comprehension.
But that gets you a list of strings, not a string. So you also have to join the strings together.
s= ",".join( map( str, myList ) )
or
s= ",".join( [ str(element) for element in myList ]...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...swer or the later answer with arithmetic encoding. Below you may find some fun, but not a 100% bullet-proof solution.
This is quite an interesting task and here is an another solution. I hope somebody would find the result useful (or at least interesting).
Stage 1: Initial data structure, rough co...
Change text color of one word in a TextView
...
I implemented a utility function in Kotlin for my own usecase and maybe useful for someone else.
fun getCusomTextWithSpecificTextWithDiffColor(textToBold: String, fullText: String,
targetColor: Int)...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...
Chomosome has indexes c1, c2, c3, ..., cn. "Solution" is array a. Initialize a with your reference list. Then, for each pair of indexes in the chromosome, swap two elements in the solution (temp = a[c1]; a[c1] = a[c2]; a[c2] = temp). It doesn't matter if two i...
What is the best comment in source code you have ever encountered? [closed]
... The first time I've ever been truly RickRolled - and it was funny. When I see links to YouTube I always expect to be RickRolled (camel cased English!!), but I never never never expected to be RickRolled in code comments.
– Vincent McNabb
Jul 28 '...
How do I dump an object's fields to the console?
...
Using introspection is part of the fun of Ruby. It's often useful to subtract an Object's instance_methods from the class' in question to get the methods that are unique: (String.instance_methods - Object.instance_methods).sort
– the Tin ...
Numbering rows within groups in a data frame
...
Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$cat, FUN = seq_along)
or:
library(plyr)
ddply(df, .(cat), mutate, id = seq_along(val))
or:
library(dplyr)
df %>% group_by(cat) %>% mutate(id = row_number())
or (the most memory efficient, as it assigns by reference w...
Replace spaces with dashes and make all letters lower-case
...re at the beginning, they won't be replaced
– Bonjour123
Aug 1 '19 at 21:13
add a comment
|
...