大约有 13,700 项符合查询结果（耗时：0.0249秒） [XML]
Is there a zip-like function that pads to longest length in Python?
...
In Python 3 you can use itertools.zip_longest
>>> list(itertools.zip_longest(a, b, c))
[('a1', 'b1', 'c1'), (None, 'b2', 'c2'), (None, 'b3', None)]
You can pad with a different value than None by using the fillvalue parameter:
>>> list(iter...
How to change package name of an Android Application
...
And you might need to change app_name in res->values=>strings.xml
– Deqing
Sep 24 '13 at 9:26
|
...
How do I manage MongoDB connections in a Node.js web application?
...tID(req.params.id);
const user = await db.collection('user').findOne({ _id: id }, {
email: 1,
firstName: 1,
lastName: 1
});
if (user) {
user.id = req.params.id;
res.send(user);
} else {
res.sendStatus(404);
}
} catch (err) {
next(err);
...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...
The easiest way is to use to_datetime:
df['col'] = pd.to_datetime(df['col'])
It also offers a dayfirst argument for European times (but beware this isn't strict).
Here it is in action:
In [11]: pd.to_datetime(pd.Series(['05/23/2005']))
Out[11]:
0 ...
How to urlencode data for curl command?
...;strlen ; pos++ )); do
c=${string:$pos:1}
case "$c" in
[-_.~a-zA-Z0-9] ) o="${c}" ;;
* ) printf -v o '%%%02x' "'$c"
esac
encoded+="${o}"
done
echo "${encoded}" # You can either set a return variable (FASTER)
REPLY="${encoded}" #+or echo t...
How can I change a file's encoding with vim?
... updated documentation link: vimdoc.sourceforge.net/htmldoc/usr_45.html#45.4
– Brian Rogers
May 10 '12 at 18:10
...
PHP Multidimensional Array Searching (Find key by specific value)
...
Another poossible solution is based on the array_search() function. You need to use PHP 5.5.0 or higher.
Example
$userdb=Array
(
(0) => Array
(
(uid) => '100',
(name) => 'Sandra Shush',
(url) => 'urlof100'
),
(1) => Array
...
Disable messages upon loading a package
...The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: x86_64-pc-linux-gnu (64-bit)
[...]
R> suppressMessages(library(ROCR))
R> # silently loaded
R> search()
[1] ".GlobalEnv" "package:ROCR" # it's really there...
What is the “main file” property when doing bower init?
...ts/glyphicons-halflings-regular.woff"
],
"ignore": [
"**/.*",
"_config.yml",
"CNAME",
"composer.json",
"CONTRIBUTING.md",
"docs",
"js/tests"
],
"dependencies": {
"jquery": ">= 1.9.0"
}
}
When I build in Brunch, it pulls these files from my bower_compone...
What is the !! (not not) operator in JavaScript?
... As far as I know, this bang-bang pattern is not useful inside a if(…_ statement; only in a return statement of a function that should return a boolean.
– rds
Mar 26 '14 at 19:43
...