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Django Admin - Disable the 'Add' action for a specific model
I have a django site with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
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How to show and update echo on same line
I have the following in Bash (In Linux)
6 Answers
6
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TypeScript function overloading
...ction and a number of declarations so that TypeScript doesn't give compile errors. When this code is compiled to JavaScript, the concrete function alone will be visible. As a JavaScript function can be called by passing multiple arguments, it just works.
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MySQL connection not working: 2002 No such file or directory
...arted to re-read the configuration file).
Make sure that /var/log/apache2/error_log contains a line that tells you the php5_module is enabled - you should see PHP/5.3.15 (or similar).
[notice] Apache/2.2.22 (Unix) DAV/2 PHP/5.3.15 with Suhosin-Patch configured -- resuming normal operations
Looki...
How to get first element in a list of tuples?
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I tried it. It gives this error: int() argument must be a string or a number, not 'QuerySet'
– wasimbhalli
Aug 27 '12 at 12:50
4
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Why should I avoid std::enable_if in function signatures
...use now the function signature aren't unique causing ambiguous overloading errors.
– Paul Fultz II
Mar 3 '13 at 17:05
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Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
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different case, but similar error message - restart worked.
– mikus
Jul 9 '18 at 13:40
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event.preventDefault() vs. return false
...$('a').click(function (e) {
// custom handling here
// oops...runtime error...where oh where will the href take me?
return false;
});
The benefit to using event.preventDefault() is that you can add this as the first line in the handler, thereby guaranteeing that the anchor's default behavi...
Xcode 6 iPhone Simulator Application Support location
...ultManager]createSymbolicLinkAtPath:aliasPath withDestinationPath:DOCS_DIR error:nil]; #endif Now I've got a simlink that works, even though iOS8 + XCode6 changes my App's Data GUID everytime I build.
– seabass
Sep 22 '14 at 17:56
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How to convert std::string to lower case?
I want to convert a std::string to lowercase. I am aware of the function tolower() , however in the past I have had issues with this function and it is hardly ideal anyway as use with a std::string would require iterating over each character.
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