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How can I rename a database column in a Ruby on Rails migration?
...ate a separate migration to do this. (Rename FixColumnName as you will.):
script/generate migration FixColumnName
# creates db/migrate/xxxxxxxxxx_fix_column_name.rb
Then edit the migration to do your will:
# db/migrate/xxxxxxxxxx_fix_column_name.rb
class FixColumnName < ActiveRecord::Migrati...
What's the best practice to “git clone” into an existing folder?
...'t enough info in the working copy to figure out what are changes you made vs what it was like before you started making changes, to merge with other changes made in the repo. I've seen this happen time and time again in this situation, to the point where I "strongly discouraged" myself and people ...
ComboBox: Adding Text and Value to an Item (no Binding Source)
...
This method no longer works for vs2015. Exceptions thrown about not being able to bind to new displaymember and Valuemember
– Plater
Sep 12 '19 at 15:00
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Rails 3 execute custom sql query without a model
I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3
5 Answe...
How to change the default GCC compiler in Ubuntu?
...rnatives --query gcc, which might not work eg in an automated provisioning script. Also, how can this be made platform agnostic?
– ely
Jan 7 at 15:55
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How do you bind an Enum to a DropDownList control in ASP.NET?
...e that would be the int since integers are a simple <,=,> comparison vs a string's < and > comparison for each char.
– Trisped
Mar 28 '12 at 23:50
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Worst security hole you've seen? [closed]
...Internet Explorer had been accidentally released as being marked "safe for scripting". The object was capable of writing binary files -- OLE Automation type libraries, in fact -- to arbitrary disk locations. This meant that an attacker could craft a type library that contained certain strings of hos...
How to save all the variables in the current python session?
...oblems exist while trying to do so. For example with restoring open file descriptors.
It is better to think about serialization/deserialization subsystem for your program. It is not trivial in many cases, but is far better solution in long-time perspective.
Although if I've exaggerated the problem...
Create a string of variable length, filled with a repeated character
... = hashStore.substring(0,10);
A bit faster too.
http://jsperf.com/const-vs-join
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What's the u prefix in a Python string?
...) to it. The result was schöne Umlaute.
The correctly decoded
für
vs. the improperly decoded
fĂźr
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