大约有 20,000 项符合查询结果（耗时：0.0264秒） [XML]
mongodb count num of distinct values per field/key
...
@MarianKlühspies - because it's just a javascript array, which uses the length property to count the number of elements.
– UpTheCreek
May 30 '18 at 9:47
...
Preserve line endings
...
You could try to sub the \n for \r\n at the end of your existing script like so:
sed 's/foo/bar/;s/$/\r/'
or perhaps
sed -e 's/foo/bar/' -e 's/$/\r/'
If neither of the above two work, you'll have to consult the specific man page for your version of sed to see if such an option exist...
WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
...nsaction Isolation Level Read Uncommitted in a View (you can only have one script in there in fact), so you would have to use (nolock) if dirty rows should be included.
share
|
improve this answer
...
How to fire AJAX request Periodically?
This script reloads or refresh the page after every 5 seconds. But I want to do it using jQuery and AJAX call. Is it possible?
...
How can I add remote repositories in Mercurial?
...oks]
changegroup = hg update 2>&1 > /dev/null && path/to/script/restart-server.sh
Not everyone is a big fan of having remote repos automatically update their working directories on push, and it's certainly not the default.
...
What does the “@” symbol do in Powershell?
...s operator is used in the splat context in Azure Resource Group deployment scripts.
– Alex Marshall
Aug 3 '16 at 13:37
add a comment
|
...
How can I iterate through the unicode codepoints of a Java String?
...ut if you're dealing only with Latin/European/Cyrillic/Greek/Hebrew/Arabic scripts, then you just s.charAt() to your heart's content. :)
– Jonathan Feinberg
Oct 6 '09 at 20:25
24
...
Can the C# interactive window interact with my code?
...y approach is to push classes into a library and use
//css_reference in C# script or #r in C# Interactive window
For example:
#r "D:\\dev\\DbHMonData\\LoadH2Stats\\bin\\Debug\\DbHMonStats.dll"
using DbHMonStats;
share
...
Print function log /stack trace for entire program using firebug
... This is brilliant. Firebug has troubles with minified files, this script does it!
– pstadler
Jan 16 '13 at 17:40
1
...
Stop pip from failing on single package when installing with requirements.txt
... of the Recommends section of a debian package.
I use the following shell script (requires sed) to install optional dependencies:
#!/bin/sh
while read dependency; do
dependency_stripped="$(echo "${dependency}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
# Skip comments
if [[...