大约有 20,000 项符合查询结果（耗时：0.0367秒） [XML]
Is there a way to 'uniq' by column?
...sort's manpage says: "-u, --unique with -c, check for strict ordering; without -c, output only the first of an equal run." So, it is indeed "the first occurrence of the duplicate before sorting."
– Geremia
Apr 15 '16 at 17:32
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...connect, the server looks through the rows [of table mysql.user] in sorted order.
The server uses the first row that matches the client host name and user name.
(...)
The server uses sorting rules that order rows with the most-specific Host values first.
Literal host names [such as 'lo...
How can I use grep to show just filenames on Linux?
...s on some other parameter, find is the correct solution:
find . -iname "*.php" -execdir grep -l "mystring" {} +
The execdir option builds each grep command per each directory, and concatenates filenames into only one command (+).
...
SHA512 vs. Blowfish and Bcrypt [closed]
...s stored in the "password" table, but the derived key is never stored.
In order to break the cryptography here, an attacker would have to recover the key from the ciphertext. This is called a "known-plaintext" attack, since the attack knows the magic string that has been encrypted, but not the key ...
Eclipse does not highlight matching variables
...
eclipse.org/forums/index.php/mv/tree/57656/#page_top according to link, it appears that mark writing occurences in jsp has been disabled due to deadlock bug. I am making jsp file on web dynamic module 3.6 so I guess that was the cause. It seems eve...
How do I use regex in a SQLite query?
...ction named "regexp" is added at run-time, that function will be called in order to implement the REGEXP operator. (sqlite.org/lang_expr.html#regexp)
– radicand
Jan 7 '12 at 0:49
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Rails raw SQL example
...te the results:
Client.find_by_sql("
SELECT * FROM clients
INNER JOIN orders ON clients.id = orders.client_id
ORDER BY clients.created_at desc
")
# => [<Client id: 1, first_name: "Lucas" >, <Client id: 2, first_name: "Jan">...]
Model.connection.select_all('sql').to_hash
I...
Should I use the datetime or timestamp data type in MySQL?
...my_datetime)") when you query the record if you want to operate on it with PHP.
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https connection using CURL from command line
...e call to allow insecure connections.
curl -k https://whatever.com/script.php
Edit: I discovered the root of the problem. I was using an SSL certificate (from StartSSL, but I don't think that matters much) and hadn't set up the intermediate certificate properly. If you're having the same problem ...
What is the difference between a static and a non-static initialization code block
...lock is an instance initializer.
Class initializers are executed in the order they are defined (top down, just like simple variable initializers) when the class is loaded (actually, when it's resolved, but that's a technicality).
Instance initializers are executed in the order defined when the c...