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How to run `rails generate scaffold` when the model already exists?
...ave a model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
pe...
How to fight tons of unresolved variables warning in Webstorm?
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using a dummy js file with anonymous function expression returning the json literal, as written at http://devnet.jetbrains.com/message/5366907, may be a solution. I can also suggest creating a fake variable that will hold this json value, an...
Compiling with g++ using multiple cores
...of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
8 Answers...
What are some (concrete) use-cases for metaclasses?
...ags etc) for its type. Adding a handler for a new type becomes:
class Mp3File(MusicFile):
extensions = ['.mp3'] # Register this type as a handler for mp3 files
...
# Implementation of mp3 methods go here
The metaclass then maintains a dictionary of {'.mp3' : MP3File, ... } etc, and ...
Named placeholders in string formatting
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If you expect to load very large files, I found this library also supports replaceIn which substitutes values into a buffer: StringBuilder, or TextStringBuilder. With this approach, the entire contents of the file won't be loaded into memory.
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Maven artifact and groupId naming
... be jar-name friendly i.e. not contain characters that maybe invalid for a file name or just look weird)
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Grep not as a regular expression
...so, I had a "strange" behaviour while searching for the -I.. pattern in my files, as the -I was considered as an option of grep ; to avoid such kind of errors, we can explicitly specify the end of the arguments of the command using --.
Example:
grep -HnrF -- <pattern> <files>
Hope th...
What is the purpose of the Visual Studio Hosting Process?
...t you're bound to run into sooner or later: it uses a different app.config file. The active one is named yourapp.vshost.exe.config. Watch out for this when you make manual changes to the file.
Another feature it supports that's very visible when you debug your app but isn't mentioned anywhere is ...
Ways to eliminate switch in code [closed]
...ing it is a little hard to read (because one has to switch between several files to completely understand it)
– rshimoda
Oct 29 '08 at 23:51
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Xcode 4 and Core Data: How to enable SQL Debugging
... Any way to print this -com.apple.CoreData.MigrationDebug 1 on string file, so that user can upload the log file
– rhlnair
Aug 22 '14 at 10:42
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