大约有 19,000 项符合查询结果（耗时：0.0295秒） [XML]
Cosine Similarity between 2 Number Lists
...s everything important done in a single for loop, and uses a single square root.
ETA: Updated print call to be a function. (The original was Python 2.7, not 3.3. The current runs under Python 2.7 with a from __future__ import print_function statement.) The output is the same, either way.
CPYthon ...
Removing event listener which was added with bind
...applying to React components/classes. You're binding it at a common (e.g., root) instance level.
– Keith DC
Jan 21 '18 at 2:31
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how to use adb command to push a file on device without sd card
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Can we do this without rooting the phone?
– Jacob
Jan 10 '15 at 20:54
2
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How do I use HTML as the view engine in Express?
...:
router.get('/', (req, res) => {
res.sendFile('index.html', {
root: 'yourPathToIndexDirectory'
});
});
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Find all packages installed with easy_install/pip?
... print(join(package.location, package._get_metadata("top_level.txt"))) # root directory of this package
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SQL “select where not in subquery” returns no results
...LEFT JOIN / IS NULL: Oracle
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: MySQL
There are three ways to do such a query:
LEFT JOIN / IS NULL:
SELECT *
FROM common
LEFT JOIN
table1 t1
ON t1.common_id = common.common_id
WHERE t1.common_id IS NULL
NOT EXISTS:
SELECT *
FROM...
node.js require all files in a folder?
...ongodb-native for a real-world example of this: There's an index.js in the root directory that requires ./lib/mongodb, a directory; ./lib/mongodb/index.js' makes everything else in that directory available.
– Trevor Burnham
Apr 26 '11 at 5:18
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Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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Wait for a process to finish
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I found "kill -0" does not work if the process is owned by root (or other), so I used pgrep and came up with:
while pgrep -u root process_name > /dev/null; do sleep 1; done
This would have the disadvantage of probably matching zombie processes.
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Open a file with su/sudo inside Emacs
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If you use helm, helm-find-files supports opening a file as root with C-c r.
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