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Working copy XXX locked and cleanup failed in SVN
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In my case I solved it by manually deleting a record in the SQLite ".svn\wc" file lock record in the WC_LOCK table.
I opened the "WC" file with SQLite editor and executed
delete from WC_LOCK
Following eakkas's comment, you might need to delete all the entries from WORK_QUEUE ta...
Does MySQL index foreign key columns automatically?
Does MySQL index foreign key columns automatically?
9 Answers
9
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NHibernate ISession Flush: Where and when to use it, and why?
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From the documentation:
From time to time the ISession will execute the SQL statements needed to synchronize the ADO.NET connection's state with the state of objects held in memory. This process, flush, occurs by default at the following points
from some invocations of Find() or Enumerable()
fro...
Cloning a MySQL database on the same MySql instance
...ript which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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How to debug Lock wait timeout exceeded on MySQL?
... Locking and Mutex Information.
Here is a sample from one of my clients:
mysql> show engine innodb status\G
*************************** 1. row ***************************
Type: InnoDB
Name:
Status:
=====================================
110514 19:44:14 INNODB MONITOR OUTPUT
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Binary Data in MySQL [closed]
How do I store binary data in MySQL ?
9 Answers
9
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ASP.NET Identity reset password
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Is there any way to do this directly in SQL? I'd love to hand my DBA a sproc to call when needed instead of an executable.
– Mark Richman
Feb 24 '15 at 19:19
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How the single threaded non blocking IO model works in Node.js
... behavior) most functions that you would use will have callbacks.
Edit
The SQL query is taken from mysql library. It implements callback style as well as event emitter to queue SQL requests. It does not execute them asynchronously, that is done by the internal libuv threads that provide the abstract...
MySQL: Fastest way to count number of rows
Which way to count a number of rows should be faster in MySQL?
12 Answers
12
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Rails 3: Get Random Record
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Thing.first(:order => "RANDOM()") # For MySQL :order => "RAND()", - thanx, @DanSingerman
# Rails 3
Thing.order("RANDOM()").first
or
Thing.first(:offset => rand(Thing.count))
# Rails 3
Thing.offset(rand(Thing.count)).first
Actually, in Rails 3 all examples ...