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Using Django time/date widgets in custom form

...e many hacks required, probably ought to caution you against doing this at all. It's relying on undocumented internal implementation details of the admin, is likely to break again in future versions of Django, and is no easier to implement than just finding another JS calendar widget and using that....
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M_PI works with math.h but not with cmath in Visual Studio

...) and suddenly it compile perfectly. Try moving it higher up the page. Totally unsure as to why this would cause issues though. Edit: Figured it out. The #include <math.h> occurs within cmath's header guards. This means that something higher up the list of #includes is including cmath with...
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NOT using repository pattern, use the ORM as is (EF)

... The more I started digging I started asking myself the question: "Do I really need it?" 9 Answers ...
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How to make an array of arrays in Java

Hypothetically, I have 5 string array objects: 4 Answers 4 ...
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Python exit commands - why so many and when should each be used?

...s functionality was included to help people who do not know Python. After all, one of the most likely things a newbie will try to exit Python is typing in quit. Nevertheless, quit should not be used in production code. This is because it only works if the site module is loaded. Instead, this fun...
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Is there a TRY CATCH command in Bash

... writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way. ...
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Programmatically Request Access to Contacts

...ss to the address book must be granted before it can be access programmatically. Here is what I ended up doing. #import <AddressBookUI/AddressBookUI.h> // Request authorization to Address Book ABAddressBookRef addressBookRef = ABAddressBookCreateWithOptions(NULL, NULL); if (ABAddress...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

...rning may disappear, but if you don't specify a filter then you will not really fix the security issue NetBeans is pointing out. For example, if you are expecting an int, use: filter_input(INPUT_POST, 'var_name', FILTER_SANITIZE_NUMBER_INT) – HoffZ Jul 18 '14 a...
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Are duplicate keys allowed in the definition of binary search trees?

...cluded. For example, the example algorithms in the MIT Algorithms book usually present examples without duplicates. It is fairly trivial to implement duplicates (either as a list at the node, or in one particular direction.) Most (that I've seen) specify left children as <= and right children ...