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django admin - add custom form fields that are not part of the model

... that based on these fields values I will build the long string expression and save it in the relevant model field. 5 Answe...
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Casting vs using the 'as' keyword in the CLR

...g, which has largely replaced the as operator, as you can now write: if (randomObject is TargetType tt) { // Use tt here } Note that tt is still in scope after this, but not definitely assigned. (It is definitely assigned within the if body.) That's slightly annoying in some cases, so if you ...
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How are VST Plugins made?

... Start with this link to the wiki, explains what they are and gives links to the sdk. Here is some information regarding the deve How to compile a plugin - For making VST plugins in C++Builder, first you need the VST sdk by Steinberg. It's available from the Yvan Grabit's site (the...
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Executing a command stored in a variable from PowerShell

I have a command that I have build and stored in a variable in PowerShell. This command works if I do a Write-Host and copy and paste into a standard cmd.exe window. ...
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jQuery UI: Datepicker set year range dropdown to 100 years

... in the drop-down, to restrict which dates may be selected use the minDate and/or maxDate options. share | improve this answer | follow | ...
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.war vs .ear file

What is the difference between a .war and .ear file? 9 Answers 9 ...
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Is asynchronous jdbc call possible?

... I don't understand how any of the proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify. Surely the basic problem is that the JDBC operations block on socket IO. When it does thi...
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Static methods in Python?

...should only be used if you have to support ancient versions of Python (2.2 and 2.3) class MyClass(object): def the_static_method(x): print(x) the_static_method = staticmethod(the_static_method) MyClass.the_static_method(2) # outputs 2 This is entirely identical to the first exampl...
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How do I use itertools.groupby()?

I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this: ...
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Is there a command to refresh environment variables from the command prompt in Windows?

If I modify or add an environment variable I have to restart the command prompt. Is there a command I could execute that would do this without restarting CMD? ...