大约有 13,350 项符合查询结果（耗时：0.0190秒） [XML]
How to count total number of watches on a page?
...ou should add before the push something like this (I'm using lodash): if (!_.contains(watchers,watcher)){ watchers.push(watcher); }
– Ben2307
Dec 16 '13 at 9:16
2
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Executing JavaScript without a browser?
...thout needing to have access to a Mac. On many platforms (e.g., x86 and x86_64), this interpreter will come with a JIT compiler.
So, with almost no compilation you will have three of the heavy-weight JavaScript engines at your disposal.
Addendum
Once you have things installed, you can simply cre...
Can table columns with a Foreign Key be NULL?
...NGINE=INNODB;
CREATE TABLE child (id INT NULL,
parent_id INT NULL,
FOREIGN KEY (parent_id) REFERENCES parent(id)
) ENGINE=INNODB;
INSERT INTO child (id, parent_id) VALUES (1, NULL);
-- Query OK, 1 row affected (0.01 sec)
INSERT INTO child (id, parent_id)...
How do I split a multi-line string into multiple lines?
...df
2 sfasdf
asdfgadfg
1 asfasdf
sdfasdgf
"""
text = text.splitlines()
rows_to_print = {}
for line in range(len(text)):
if text[line][0] == '1':
rows_to_print = rows_to_print | {line, line + 1}
rows_to_print = sorted(list(rows_to_print))
for i in rows_to_print:
print(text[i])
...
submitting a GET form with query string params and hidden params disappear
... the table containing the GET information. For example in php :
foreach ($_GET as $key => $value) {
echo("<input type='hidden' name='$key' value='$value'/>");
}
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Regex to get string between curly braces
... we get all occurrences, not only the first one.
– 0-_-0
Nov 30 '19 at 20:45
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Who sets response content-type in Spring MVC (@ResponseBody)
...
There is a MediaType.APPLICATION_JSON_VALUE, for "application/json" as well.
– dev
Jun 11 '14 at 21:45
2
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Create a string of variable length, filled with a repeated character
... If you don't mind using lodash, you could use the following : _.repeat('*',10);
– Geraud Gratacap
Feb 5 '16 at 9:55
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What's the u prefix in a Python string?
... 3.0-3.2 will break. Because you need to decide if you care to use six.text_type() everywhere for the (hopefully miniscule) number of people still using 3.[012] - at least the information is there so you can choose.
– dwanderson
Aug 22 '18 at 0:31
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How to secure MongoDB with username and password
...ata/db
2) Connect to the instance.
mongo
3) Create the user.
use some_db
db.createUser(
{
user: "myNormalUser",
pwd: "xyz123",
roles: [ { role: "readWrite", db: "some_db" },
{ role: "read", db: "some_other_db" } ]
}
)
4) Stop the MongoDB instance and start it aga...