大约有 1,824 项符合查询结果(耗时:0.0221秒) [XML]
LINQ: Distinct values
... id = (int) element.Attribute("id"),
category = (int) element.Attribute("cat") })
.Distinct();
If you're trying to get a distinct set of values of a "larger" type, but only looking at some subset of properties for the distinctness aspect, you pr...
How to import load a .sql or .csv file into SQLite?
...
Try doing it from the command like:
cat dump.sql | sqlite3 database.db
This will obviously only work with SQL statements in dump.sql. I'm not sure how to import a CSV.
share
...
How do I select a merge strategy for a git rebase?
...es are there; they just have to decide exactly how they're going to communicate from rebase to merge.
– Cascabel
Jun 24 '10 at 16:06
...
How to “crop” a rectangular image into a square with CSS?
...ges">
<li><img src="http://fredparke.com/sites/default/files/cat-portrait.jpg" /></li>
<li><img src="http://fredparke.com/sites/default/files/cat-landscape.jpg" /></li>
</ul>
CSS:
li {
width: 150px; // Or whatever you want.
height: 150px; // Or...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...
but Joey's comment seems to indicate the exact opposite! how do I know who to trust or which (built-in) method is most efficient?
– NH.
Sep 22 '17 at 18:53
...
Is HTML considered a programming language? [closed]
...
TeX is a Turing-complete language, so its classification as a programming language or markup language is a bit blurry. :)
– mipadi
Mar 26 '10 at 19:40
7
...
How to set the context path of a web application in Tomcat 7.0
... ROOT but this is a terrible way to do it, IMHO. Now I checked out the tomcat doc & it says
13 Answers
...
What is the most “pythonic” way to iterate over a list in chunks?
...n(seq), size))
# (in python 2 use xrange() instead of range() to avoid allocating a list)
Works with any sequence:
text = "I am a very, very helpful text"
for group in chunker(text, 7):
print(repr(group),)
# 'I am a ' 'very, v' 'ery hel' 'pful te' 'xt'
print '|'.join(chunker(text, 10))
# I am ...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
Efficiently test if a port is open on Linux?
...t;>/dev/tcp/ip.addr.of.server/445
echo -e "GET / HTTP/1.0\n" >&6
cat <&6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for list...