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Heroku deployment error H10 (App crashed)

... For me the issue was that I created a Model/Table called Mail. This worked fine on local, but caused a Job conflict on Heroku since it thought I was trying to use ActionMailer for this model. Running the heroku console gave me the verbose error that allowed me to pinpo...
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Set Django IntegerField by choices=… name

... Really like the Encapsulation section on the blog. – Nathan Keller Mar 3 '13 at 21:57 ...
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Multiple cases in switch statement

... User could use some if's (or a table lookup) to reduce the input to a set of enums and switch on the enum. – Harvey Jul 28 '13 at 20:00 ...
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Timeout a command in bash without unnecessary delay

...y, Bash does not support floating point arithmetic (sleep does), therefore all delay/time values must be integers. EOF } # Options. while getopts ":t:i:d:" option; do case "$option" in t) timeout=$OPTARG ;; i) interval=$OPTARG ;; d) delay=$OPTARG ;; *) printUsage...
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What is the equivalent of “colspan” in an Android TableLayout?

I'm using a TableLayout in Android. Right now I have one TableRow with two items in it, and, below that, a TableRow with one item it it. It renders like this: ...
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How can I scroll to a specific location on the page using jquery?

...a particular div id i.e, 'idVal' in this case. If you have subsequent divs/tables that will open up in this page via ajax, then you can assign unique divs and call the script to scroll to the particular location for each contents of divs. Hope this will be useful. ...
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How to clear the interpreter console?

Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc. ...
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C: differences between char pointer and array [duplicate]

...is one, "now is the time" is stored elsewhere in memory, commonly a string table). Also, note that because the data belonging to the second definition (the explicit pointer) is not stored in the current scope's stack space, it is unspecified exactly where it will be stored and should not be modifie...
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string sanitizer for filename

...a whitelist of characters you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe. ...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...