大约有 45,000 项符合查询结果(耗时:0.0601秒) [XML]
How to get the last character of a string in a shell?
...
I know this is a very old thread, but no one mentioned which to me is the cleanest answer:
echo -n $str | tail -c 1
Note the -n is just so the echo doesn't include a newline at the end.
...
Converting a List to a comma separated string
...t<int>() {1,2,3};
string.Join<int>(",", list)
I used it just now in my code, working funtastic.
share
|
improve this answer
|
follow
|
...
How to do joins in LINQ on multiple fields in single join
...
As a long time lambda user now (as opposed to when I asked the question), I would have to agree
– johnc
Dec 10 '15 at 23:19
...
Multiline Comment Workarounds?
I (sort of) already know the answer to this question. But I figured it is one that gets asked so frequently on the R Users list, that there should be one solid good answer. To the best of my knowledge there is no multiline comment functionality in R. So, does anyone have any good workarounds?
...
What is pip's equivalent of `npm install package --save-dev`?
...dates.
Edit 2
Linked from the "better pip workflow" article above it is now recommended to use pipenv to manage requirements and virtual environments. Having used this a lot recently I would like to summarise how simple the transition is:
Install pipenv (on Mac)
brew install pipenv
pipenv cre...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
...might wanna update it by removing the autorelease because ARC prohibits it now. Great answer though!
– CSawy
Jul 9 '14 at 18:40
1
...
Set opacity of background image without affecting child elements
...
@brad I apologize, turns out I've read the question wrong now that I checked again.
– mystrdat
Mar 5 '13 at 16:54
...
How do I scroll to an element using JavaScript?
...
your question and the answers looks different. I don't know if I am mistaken, but for those who googles and reach here my answer would be the following:
My answer on stackoverflow
A similar question
My Answer explained:
here is a simple javascript for that
call this when yo...
Open URL under cursor in Vim with browser
... to see if there is a way to get only the url under the cursor, but don't know much vimscript so I'll have to work on that.
– Mauro Morales
Feb 27 '12 at 23:18
14
...
How do you debug MySQL stored procedures?
...
Debugger for mysql was good but its not free. This is what i use now:
DELIMITER GO$
DROP PROCEDURE IF EXISTS resetLog
GO$
Create Procedure resetLog()
BEGIN
create table if not exists log (ts timestamp default current_timestamp, msg varchar(2048)) engine = myisam;
truncate ...
