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Ruby on Rails: How can I revert a migration with rake db:migrate?
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I'm getting an UnknownMigrationVersionError but I figured out it's because my migrations are inside db/migrate/main , does anybody know a workaround for this to have db:migrate:down look inside that specific directory or the migrate subdirectories?
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How do I write JSON data to a file?
...hon 3, json.dump writes to a text file, not a binary file. You'd get a TypeError if the file was opened with wb. On older Python versions, both w nand wb work. An explicit encoding is not necessary since the output of json.dump is ASCII-only by default. If you can be sure that your code is never ru...
Does a method's signature in Java include its return type?
...e second line:
public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the above statement.
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Set cache-control for entire S3 bucket automatically (using bucket policies?)
...y are case sensitive and must be entered accurately
or you'll keep getting errors about invalid signatures or similar.
Remember to add s3:ListAllMyBuckets permissions to the keys or you will get an AccessDenied error while testing access.)
./s3cmd --recursive modify --add-header="Cache-Control:publi...
Dots in URL causes 404 with ASP.NET mvc and IIS
... allowed me to catch the url /WEB-INF./web.xml and redirect it to a custom error page when very many other ways I tried did not work.
– quentin-starin
Oct 9 '13 at 15:58
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Eclipse Workspaces: What for and why?
... group of related maven projects into a workspace lets you develop and see errors in real time. If not a workspace what else would you suggest? An RCP application can be a different beast depending on what its used for but in the true IDE sense I don't know what would be a better solution than a wor...
how to use javascript Object.defineProperty
...f not true, the property is read only; attempt to write is ignored without error*!
Both descriptors can have these members:
configurable - default false; if not true, the property can't be deleted; attempt to delete is ignored without error*!
enumerable - default false; if true, it will be iter...
Virtual Serial Port for Linux
...hus impossible to test your application in presence of serial transmission errors.
– Dima Tisnek
Apr 3 '12 at 7:10
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git:// protocol blocked by company, how can I get around that?
...ut when I use this solution, it still fails, but with a slightly different error. It says "error: while accessing https://... fatal: HTTP request failed" Does anyone have any insight on this? Is my Host blocking something? My other submodules update fine, I am only having trouble with one.
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How to send an email with Python?
...cit close can be dropped, as the with block will close the file even if an error occurs inside it.
– jpmc26
Feb 21 '14 at 19:57
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