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Which is more preferable to use: lambda functions or nested functions ('def')?
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Practically speaking, to me there are two differences:
The first is about what they do and what they return:
def is a keyword that doesn't return anything and creates a 'name' in the local namespace.
lambda is a keyword that ret...
What can I use instead of the arrow operator, `->`?
...o not be familiar with it as a practicing C++ programmer. Also the syntactically nice path is often not the semantically nice path, but that also has been getting better not worse. But then again I have C++ Stockholm Syndrome.
– Tim Seguine
Aug 6 '18 at 9:13
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Can two Java methods have same name with different return types? [duplicate]
...eter types (so, they have different signature), then it is possible. It is called overloading.
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TypeError: unhashable type: 'dict'
... {"a": "b"}
>>> some_dict[dict_key] = True
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'dict'
To use a dict as a key you need to turn it into something that may be hashed first. If the dict you wish to use as key consist...
Is it possible to use the SELECT INTO clause with UNION [ALL]?
...When we select all records it gives error as- "The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. ". Please give some solution.
– ShaileshDev
Mar 21 '17 a...
Backbone View: Inherit and extend events from parent
...hat is truly encapsulated. the only context used is this versus having to call the parent class by instance name. thank you very much for this.
– jessie james jackson taylor
Oct 16 '14 at 1:42
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
...aving the same parameter and return types as the closure type’s function call operator. The value returned by this conversion function shall be the address of a function that, when invoked, has the same effect as invoking the closure type’s function call operator.
This is important as the unary...
How to list containers in Docker
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To list all running and stopped containers, showing only their container id
docker ps -aq
To remove all containers that are NOT running
docker rm `docker ps -aq -f status=exited`
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What does java.lang.Thread.interrupt() do?
...ing interruptible file I/O, the effect will not be that gentle. You'll typically get file corruption.
– Marko Topolnik
Nov 6 '16 at 18:01
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jQuery Click fires twice when clicking on label
...checked: jQuery('input').prop('checked', true);
– David Sinclair
Sep 5 '14 at 16:57
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