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How can I build multiple submit buttons django form?
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You can use self.data in the clean_email method to access the POST data before validation. It s...
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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commands not found on zsh
...ll ( zsh ) instead of the default bash, and something wrong happen so that all commands who used to work are no longer recognized:
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
I am building a website specifically for mobile devices. There is one page in particular which is best viewed in landscape mode.
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What is the difference between $(command) and `command` in shell programming?
... for portability issues it is recommended to use backticks for non-nested calls. $(...) needs a recursive parser but this was not used with ksh86 that introduced the feature. Check in-ulm.de/~mascheck/various/cmd-subst for a list of correct implementations. A conforming shell needs to support all c...
Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...
How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
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Get a list of all threads currently running in Java
Is there any way I can get a list of all running threads in the current JVM (including the threads not started by my class)?
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Jackson with JSON: Unrecognized field, not marked as ignorable
...eserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
It will ignore all the properties that are not declared.
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npm install private github repositories by dependency in package.json
I'm trying to install github private repository by npm that includes other private github repositories as dependency.
10 An...