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How to empty a Heroku database
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Thank you. Actually, "heroku pg:reset --db SHARED_DATABASE_URL" did the trick. But you got me going in the right direction.
– Jay Godse
Mar 17 '11 at 22:17
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Python equivalent of D3.js
...on Notebooks. Below is a temperature graph showing interactivity. See the gallery of IPython Notebooks tutorials for more examples.
The docs provides examples of supported plot types and code snippets.
Specifically to your question, you can also make interactive plots from NetworkX....
How to concatenate columns in a Postgres SELECT?
...catenated to NULL is NULL. If NULL values can be involved and the result shall not be NULL, use concat_ws() to concatenate any number of values (Postgres 9.1 or later):
SELECT concat_ws(', ', a, b) AS ab FROM foo;
Or concat() if you don't need separators:
SELECT concat(a, b) AS ab FROM foo;
No...
SVN how to resolve new tree conflicts when file is added on two branches
...ing add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCase by the way):
a file is created twice (here "added" twice) in two different branches, creating two different histories for two different elements, but with the same name.
The theoretical solutio...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources.
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How to compile a 64-bit application using Visual C++ 2010 Express?
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Here are step by step instructions:
Download and install the Windows Software Development Kit version 7.1. Visual C++ 2010 Express does not include a 64 bit compiler, but the SDK does. A link to the SDK: http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx
Change your pr...
How to check if APK is signed or “debug build”?
... java.security.cert.CertificateException and android.content.pm.Signature. All other classes don't present multiple matches for me
– Christian García
Nov 29 '12 at 13:55
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What does “default” mean after a class' function declaration?
...pecify that you don't want the compiler to generate that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = defa...
How can I set multiple CSS styles in JavaScript?
...s repainting the element every time you change a property (you change them all "at once" somehow).
On the other side, you would have to build the string first.
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why windows 7 task scheduler task fails with error 2147942667
...ks fail to run if the path in "Start in (Optional)" field has quotes
Basically, edit your scheduled task and take the Quotes out of the Start In field:
Open your Scheduled Task
Switch to "Actions" tab
Open your Action
Remove Quotes (") from the field "Start in (optional)"
Save and close all open ...