大约有 8,000 项符合查询结果（耗时：0.0328秒） [XML]
Why use double indirection? or Why use pointers to pointers?
...
If you want to have a list of characters (a word), you can use char *word
If you want a list of words (a sentence), you can use char **sentence
If you want a list of sentences (a monologue), you can use char ***monologue
If you want a list of monologues (a biography...
Changing variable names in Vim
... /gc
The * is the same as gn - it searches for the next occurence of the word under cursor AND it becomes the last searched pattern, so when you omit the search pattern in the substitute command, VIM assumes this is the pattern to search for.
For small amounts of var copies, an even quicker one:
...
How can I find the first occurrence of a sub-string in a python string?
...
what if I want to find the word is from the sentence this is a cool dude ? I tried the find method but it returns index 2 instead of 5. How do i achieve this using find() ?
– Regressor
Apr 12 at 23:09
...
Remove trailing newline from the elements of a string list
I have to take a large list of words in the form:
7 Answers
7
...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...ouble quotes around a variable, you tell the shell to treat it as a single word, even if it contains whitespaces:
var="foo bar"
for i in "$var"; do # Expands to 'for i in "foo bar"; do...'
echo $i # so only runs the loop once
done
# foo bar
Contrast that behavior with the following:...
Unicode equivalents for \w and \b in Java regular expressions?
...g punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
...
Reserved keywords in JavaScript
What JavaScript keywords (function names, variables, etc) are reserved?
8 Answers
8
...
Hidden Features of Xcode
...tween autocompletion choices.
Control ⌃. (Control-Period) after a word automatically accepts the first choice from the autocompletion menu. Try typing log then Control ⌃. and you'll get a nice NSLog statement. Press it again to cycle through any choices. To see all the mutable choices, t...
What is the difference between map and flatMap and a good use case for each?
... Array("Roses", "are", "red", "Violets", "are", "blue")
We have multiple words per line, and multiple lines, but we end up with a single output array of words
Just to illustrate that, flatMapping from a collection of lines to a collection of words looks like:
["aa bb cc", "", "dd"] => [["aa",...
How do you do relative time in Rails?
...
Sounds like you're looking for the time_ago_in_words method (or distance_of_time_in_words), from ActiveSupport. Call it like this:
<%= time_ago_in_words(timestamp) %>
share
|
...