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django import error - No module named core.management
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If, like me, you are running your django in a virtualenv, and getting this error, look at your manage.py.
The first line should define the python executable used to run the script.
This should be the path to your virtualenv's...
How do I make a placeholder for a 'select' box?
...alidation (required attribute) to work around having the "placeholder", so if the option isn't changed, but is required, the browser should prompt the user to choose an option from the list.
Update (July 2015):
This method is confirmed working in the following browsers:
Google Chrome - v.43.0.23...
Subset of rows containing NA (missing) values in a chosen column of a data frame
...umn ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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How do I reference a Django settings variable in my models.py?
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Something relevant: if you have several instances of settings_something.py due to a project deployed in several environments, do not try to import from app.settings. Overwritten variables in the other files won't take effect. Always use the impo...
Is type=“text/css” necessary in a tag?
...ure expansion possibilities which never happened.
Using HTML5 and not specifying the type, I have run so far into no problems with compatibility even when testing older versions of IE.
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Any way to write a Windows .bat file to kill processes? [closed]
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You can do this with 'taskkill'.
With the /IM parameter, you can specify image names.
Example:
taskkill /im somecorporateprocess.exe
You can also do this to 'force' kill:
Example:
taskkill /f /im somecorporateprocess.exe
Just add one line per process you want to kill, save it as a .ba...
Minimal web server using netcat
... -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. Note, that when using echo there is no way for your program (the date-replacement) to get the browser request. So you probably finally want to do so...
How to convert all tables from MyISAM into InnoDB?
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If your dealing with multiple databases and don't want to change the database everytime, change CONCAT('ALTER TABLE ', table_name, ' ENGINE=InnoDB;') to CONCAT('ALTER TABLE ',@DATABASE_NAME,'.', table_name, ' ENGINE=InnoDB;')...
SQL Server Configuration Manager not found
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If you happen to be using Windows 8 and up, here's how to get to it:
The newer Microsoft SQL Server Configuration Manager is a snap-in for
the Microsoft Management Console program.
It is not a stand-alone
program as used i...
Notification when a file changes?
Is there some mechanism by which I can be notified (in C#) when a file is modified on the disc?
3 Answers
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