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Debug code-first Entity Framework migration codes
...nd time the migration will not run. This is because the __MigrationHistory table has been updated to say you have migrated to the latest version. To re-test the migration open the package manager console and downgrade to the previous migration:
Update-Database –TargetMigration: ThePreviousMigrati...
How to semantically add heading to a list
...omething like the forattribute for a <label>' or the <th>` for tables. I think the <lh> option would make the most sense if were actually supported by the W3C.
– Tomas Mulder
Jan 20 '12 at 1:19
...
Kill a postgresql session/connection
...e(config)
case config['adapter']
when /mysql/
ActiveRecord::Base.establish_connection(config)
ActiveRecord::Base.connection.drop_database config['database']
when /sqlite/
require 'pathname'
path = Pathname.new(config['database'])
file = path.absolute? ? path.to_s : File.joi...
How to compare two strings in dot separated version format in Bash?
... else
echo "Pass: '$1 $op $2'"
fi
}
# Run tests
# argument table format:
# testarg1 testarg2 expected_relationship
echo "The following tests should pass"
while read -r test
do
testvercomp $test
done << EOF
1 1 =
2.1 2.2 <
3.0...
Setting Django up to use MySQL
...necting in Django 1.7, it is important to know the order connections are established:
1. OPTIONS.
2. NAME, USER, PASSWORD, HOST, PORT
3. MySQL option files.
In other words, if you set the name of the database in OPTIONS, this will take precedence over NAME, which would override anything in a M...
string.charAt(x) or string[x]?
...ttempting to change an individual character won't work, as strings are immutable, i.e., their properties are neither neither "writable" nor "configurable".
str.charAt(i) is better from a compatibility perspective if IE6/IE7 compatibility is required.
str[i] is more modern and works in IE8+ and al...
Internal vs. Private Access Modifiers
...
@Dan yeah, i assumed it would just act as a truth table and AND that matrix to true|false|false|false for protected internal. not intuitive. instead it's true|true|true|false as if OR'd.
– ferr
May 29 '17 at 21:49
...
sphinx-build fail - autodoc can't import/find module
...=========
Contents:
.. toctree::
:maxdepth: 2
stuff
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`
Above is my index.rst file. stuff.rst resides in the same directory as it.
...
How to list all Git tags?
...ects under that tag name.
I am working in Teradata and object means view, table etc
How can I check if multiplying two numbers in Java will cause an overflow?
...t; 0 && b < maximum / a))
{
// Overflow
}
Here's a little table I whipped up to check this, pretending that overflow happens at -10 or +10:
a = 5 b = 2 2 > 10 / 5
a = 2 b = 5 5 > 10 / 2
a = -5 b = 2 2 > -10 / -5
a = -2 b = 5 5 > -10 / -...