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Django Admin - Disable the 'Add' action for a specific model
... need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
5 Answers
...
What does a tilde do when it precedes an expression?
...f other then-contemporary systems programming languages. It probably stems from the way the hardware works; lots of CPUs set a zero bit after an operation, and have a corresponding branch instruction to test it.
– Pointy
Sep 6 '12 at 12:32
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Why are Python lambdas useful? [closed]
...ion may be the shortest way to write something out.
Returning a function from another function
>>> def transform(n):
... return lambda x: x + n
...
>>> f = transform(3)
>>> f(4)
7
This is often used to create function wrappers, such as Python's decorators.
Combini...
Push git commits & tags simultaneously
...ly push one. That's fine. But is there a way to push both together? (Aside from git push && git push --tags .)
4 A...
Web API Put Request generates an Http 405 Method Not Allowed error
...hod on my Web API - the third line in the method (I am calling the Web API from an ASP.NET MVC front end):
9 Answers
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How to navigate through a vector using iterators? (C++)
...ment of a vector of strings instead of the [] operator or the "at" method. From what I understand, iterators can be used to navigate through containers, but I've never used iterators before, and what I'm reading is confusing.
...
What is non-blocking or asynchronous I/O in Node.js?
...ther hand, fetch is a non-blocking operation as it does not stall alert(3) from execution.
// Blocking: 1,... 2
alert(1);
var value = localStorage.getItem('foo');
alert(2);
// Non-blocking: 1, 3,... 2
alert(1);
fetch('example.com').then(() => alert(2));
alert(3);
Advantages
One advantage of ...
Apache and Node.js on the Same Server
...
Doesn't this proxy requests from Apache to Node, while it takes away the benefits of Node's non-blocking nature?
– html_programmer
Sep 16 '14 at 20:52
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...s does not require that wchar_t be large enough to represent any character from all locales simultaneously. That is, the encoding used for wchar_t may differ between locales. Which means that you cannot necessarily convert a string to wchar_t using one locale and then convert back to char using anot...
After installation of Gulp: “no command 'gulp' found”
... receive a no command 'gulp' found error when running the gulp command from the same directory it was installed into.
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