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How to query as GROUP BY in django?
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@Gidgidonihah True, the example should read Members.objects.order_by('disignation').values('designation').annotate(dcount=Count('designation'))
– bjunix
Oct 30 '14 at 15:16
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PHP append one array to another (not array_push or +)
... Which term is used for such syntax? (E.g. in JS it is called spread operator ) Or can you provide link to docs?
– basil
Jan 6 '19 at 6:31
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how does Array.prototype.slice.call() work?
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@Michael: Reading source code of the open source JS implementations is possible, but it's simpler to just refer to the "ECMAScript" language specification. Here's a link to the Array.prototype.slice method description.
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...urn (0 < nUpper) and (0 < nAlphanum) and (0 < nSpecial)
Bet you read and understood the above code almost instantly. Bet you took much longer with the regex, and are less certain it is correct. Extending the regex is risky. Extended the immediate above, much less so.
Note also the questi...
Functional programming vs Object Oriented programming [closed]
...creases performance.
Many modern languages are multi-paradigm.
Recommended readings
As I'm in the same boat (OOP background, learning FP), I'd suggest you some readings I've really appreciated:
Functional Programming for Everyday .NET Development, by Jeremy Miller. A great article (although poorly ...
Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
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Finally! I have been reading documentation and hundreds of different posts around this problem for, ehm... a LONG period of time today. I had the exact same issue. Thank you both Vinay and Kaushik for clarifying and brining up the landing page!
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When is a CDATA section necessary within a script tag?
...ttle - this is a good question. Be a great question to ask on a separate thread to ensure it gets the attention it needs.
– Alex KeySmith
Nov 6 '10 at 19:01
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A clean, lightweight alternative to Python's twisted? [closed]
A (long) while ago I wrote a web-spider that I multithreaded to enable concurrent requests to occur at the same time. That was in my Python youth, in the days before I knew about the GIL and the associated woes it creates for multithreaded code (IE, most of the time stuff just ends up serialized!...
Global variables in AngularJS
... if you have a variable $rootScope.data and someone forgets that data is already defined and creates $scope.data in a local scope you will run into problems.
If you want to modify this value and have it persist across all your controllers, use an object and modify the properties keeping in mind J...
Copying files from Docker container to host
...ost/path/target
Here's an example:
$ sudo docker cp goofy_roentgen:/out_read.jpg .
Here goofy_roentgen is the container name I got from the following command:
$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS ...