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How to dynamically compose an OR query filter in Django?

...o: list = [1, 2, 3] # it gets a bit more complicated if we want to dynamically build # OR queries with dynamic/unknown db field keys, let's say with a list # of db fields that can change like the following # list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3'] # init our q objects variable to ...
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Can I get CONST's defined on a PHP class?

...:class would work fine, but if you'd use those in e.g. namespace Jungle - calling B::class there without including it with use would result in Jungle\B (even though Jungle does NOT have B at all!) – jave.web Sep 5 '19 at 18:07 ...
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Expand a random range from 1–5 to 1–7

...for some readers. It assumes rand5() is a function that returns a statistically random integer in the range 1 through 5 inclusive. int rand7() { int vals[5][5] = { { 1, 2, 3, 4, 5 }, { 6, 7, 1, 2, 3 }, { 4, 5, 6, 7, 1 }, { 2, 3, 4, 5, 6 }, { 7, 0, 0, 0, 0...
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How to manually set an authenticated user in Spring Security / SpringMVC

After a new user submits a 'New account' form, I want to manually log that user in so they don't have to login on the subsequent page. ...
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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术

Catch All Bugs with BugTrap!Catch-All-Bugs-with-BugTrapA tool that can catch unhandled errors and exceptions, and deliver error reports to remote support serversDownload...A tool that can catch unhandled errors and exceptions, and deliver error reports to remote support servers Download documen...
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Is it possible to cache POST methods in HTTP?

... The corresponding RFC 2616 in section 9.5 (POST) allows the caching of the response to a POST message, if you use the appropriate headers. Responses to this method are not cacheable, unless the response includes appropriate Cache-Control or Expires header fields. Howe...
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What is the correct way to create a single-instance WPF application?

...t the blog hasn't been updated in a while. That makes me worry that eventually it might disappear, and with it, the advocated solution. I'm reproducing the content of the article here for posterity. The words belong solely to the blog owner at Sanity Free Coding. Today I wanted to refactor so...
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Is there a way to pass optional parameters to a function?

Is there a way in Python to pass optional parameters to a function while calling it and in the function definition have some code based on "only if the optional parameter is passed" ...
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How to check a radio button with jQuery?

...e: $("#radio_1").attr('checked', 'checked'); Tip: You may also want to call click() or change() on the radio button afterwards. See comments for more info. share | improve this answer | ...
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Importing variables from another file?

... from file1 import * will import all objects and methods in file1 share | improve this answer | follow | ...