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Entity Framework - Start Over - Undo/Rollback All Migrations
...ve been jumbled/corrupted/whatever. I'm at the point where I just want to start over, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
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There are a few things that can cause this problem, but before you get started with JDBC, you need to be sure that you can connect to the database using SQL*Plus. If you're not familiar with SQL*Plus, it's a command-line tool for connecting to Oracle databases that has been a standard part of O...
how to log in to mysql and query the database from linux terminal
...uire to call the init script directly:
/etc/init.d/mysqld stop
3. How I start the mysql server from linux terminal?
Same as #2, but with start.
4. How do I get mysql prompt in linux terminal?
Same as #1.
5. How do I login to mysql server from linux terminal?
Same as #1.
6. How do I solve fo...
How do you run CMD.exe under the Local System Account?
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Open taskmanager. Kill explorer.exe.
From an elevated command shell type start explorer.exe.
When explorer is launched notice the name "system" in start menu bar. Now you can delete some files in system32 directory which as admin you can't delete or as admin you would have to try hard to change pe...
The Android emulator is not starting, showing “invalid command-line parameter”
...lous, I reckon 99% of people encounter this problem when attempting to get started with android!
– jcvandan
Sep 7 '11 at 20:56
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Get first key in a (possibly) associative array?
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2019 Update
Starting from PHP 7.3, there is a new built in function called array_key_first() which will retrieve the first key from the given array without resetting the internal pointer. Check out the documentation for more info.
You...
Measure and Benchmark Time for Ruby Methods
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You could use the Time object. (Time Docs)
For example,
start = Time.now
# code to time
finish = Time.now
diff = finish - start
diff would be in seconds, as a floating point number.
EDIT: end is reserved.
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
When I start Tomcat (6.0.18) from Eclipse (3.4), I receive this message (first in the log):
12 Answers
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How to stop and restart memcached server?
How to stop and restart memcached server 1.4.5 in linux OS from command line?
12 Answers
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Start a git commit message with a hashmark (#)
Git treats lines starting with # as comment lines when committing. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g.
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