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Best way to store time (hh:mm) in a database

I want to store times in a database table but only need to store the hours and minutes. I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need? ...
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How to convert Nonetype to int or string?

... Nonetype value x , it's generally a number, but could be None . I want to divide it by a number, but Python raises: 10 ...
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Integrating Dropzone.js into existing HTML form with other fields

...rently have a HTML form which users fill in details of an advert they wish to post. I now want to be able to add a dropzone for uploading images of the item for sale. ...
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Virtual Serial Port for Linux

I need to test a serial port application on Linux, however, my test machine only has one serial port. 8 Answers ...
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What is the difference between Strategy design pattern and State design pattern?

...pretty similar in practice, and the defining difference between them tends to vary depending on who you ask. Some popular choices are: States store a reference to the context object that contains them. Strategies do not. States are allowed to replace themselves (IE: to change the state of the cont...
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How does cookie based authentication work?

...ing involving either authentication or cookies. What does the browser need to do? What does the server need to do? In what order? How do we keep things secure? ...
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What are the dangers when creating a thread with a stack size of 50x the default?

...ntly working on a very performance critical program and one path I decided to explore that may help reduce resource consumption was increasing my worker threads' stack size so I can move most of the data ( float[] s) that I'll be accesing onto the stack (using stackalloc ). ...
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How to get started with developing Internet Explorer extensions?

... that can share their knowledge? This would include code samples, or links to good ones, or documentation on the process, or anything. ...
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How does the compilation/linking process work?

...d #ifndef directives. The preprocessor works on a stream of preprocessing tokens. Macro substitution is defined as replacing tokens with other tokens (the operator ## enables merging two tokens when it makes sense). After all this, the preprocessor produces a single output that is a stream of toke...
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How to simulate Android killing my process

...kground and the OS decides it needs the resources (RAM, CPU, etc.). I need to be able to simulate this behaviour during testing so that I can ensure that my application is behaving correctly. I want to be able to do this in an automated way so that I can test if the application behaves correctly whe...