大约有 40,000 项符合查询结果（耗时：0.0461秒） [XML]
How to find gaps in sequential numbering in mysql?
...----+
3 rows in set (0.06 sec)
If you need to perform some kind of shell script task on the missing IDs, you can also use this variant in order to directly produce an expression you can iterate over in bash.
SELECT GROUP_CONCAT(IF(z.got-1>z.expected, CONCAT('$(',z.expected,' ',z.got-1,')'), z....
How do I make a column unique and index it in a Ruby on Rails migration?
I would like to make a column unique in Ruby on Rails migration script. What is the best way to do it? Also is there a way to index a column in a table?
...
Is there a way to get version from package.json in nodejs code?
...
Not working for my script with shebang installed globally. Error: Cannot find module 'package.json'.
– exebook
May 21 '15 at 11:39
...
Is there any way to redraw tmux window when switching smaller monitor to bigger one?
...ns that have that window active to some other window), but it is harder to script in the general case (and different to “exit” since you would want to unlink the window or kill the session instead of just detaching from the session).
...
How can I time a code segment for testing performance with Pythons timeit?
I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
...
Formatting Phone Numbers in PHP
...g_replace('/\D/', '', $out)) return false;
return $out;
}
And here's the script to test it:
$numbers = [
'3334444',
'2223334444',
'12223334444',
'12223334444x5555',
'333-4444',
'(222)333-4444',
'+1 222-333-4444',
'1-222-333-4444ext555',
'cell: (222) 333-4444',
'(222) 333-4444 (cell)',
];
foreach...
How do I move an issue on github to another repo?
... gh-issues-import seemed broken to me (kept getting a 404). I used Mikko's script and it worked ok. However, it didn't keep closed issues closed or import labels or milestones. Just update username/password and remove reference to colored.
– Alexandre
Mar 11 '1...
Execute a command line binary with Node.js
...rpart. Documentation for them can be found here. While they are useful for scripting, do note that unlike the methods used to spawn child processes asynchronously, the synchronous methods do not return an instance of ChildProcess.
...
How can foreign key constraints be temporarily disabled using T-SQL?
... in the table.
Once completed, if you need to check the status, use this script to list the constraint status. Will be very helpfull:
SELECT (CASE
WHEN OBJECTPROPERTY(CONSTID, 'CNSTISDISABLED') = 0 THEN 'ENABLED'
ELSE 'DISABLED'
END) AS STATUS,
OBJECT_NAME(CON...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
...