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JavaScript for…in vs for
...ed. Worse: You might get unexpected results; it includes members inherited from the prototype chain and the name of methods.
Everything but the properties can be filtered out with .hasOwnProperty. This code sample does what you probably wanted originally:
for (var name in obj) {
if (Object.pro...
append multiple values for one key in a dictionary [duplicate]
...to get the desired result.
A quick example using your data:
>>> from collections import defaultdict
>>> data = [(2010, 2), (2009, 4), (1989, 8), (2009, 7)]
>>> d = defaultdict(list)
>>> d
defaultdict(<type 'list'>, {})
>>> for year, month in data:...
Setting multiple attributes for an element at once with JavaScript
...ot mentioned once in the question. I don't know where you got that notion from. The question appears to be looking for a way to not have to manually call elem.setAttribute() multiple times.
– jfriend00
Feb 26 '16 at 21:30
...
Able to push to all git remotes with the one command?
...If you want to always push to repo1, repo2, and repo3 but always pull only from repo1, set up the remote 'origin' as
[remote "origin"]
url = https://exampleuser@example.com/path/to/repo1
pushurl = https://exampleuser@example.com/path/to/repo1
pushurl = https://exampleuser@example.com/pa...
Can you target with css?
...ve this.
It seems, it has been already discussed on other forums. Extract from Re: Setting the height of a BR element using CSS:
[T]his leads to a somewhat odd status
for BR in that on the one hand it is
not being treated as a normal element,
but instead as an instance of \A in
generate...
How do I check if file exists in Makefile so I can delete it?
...
Thanks much! This point was not clear from reading the manual.
– Kevin Buchs
May 9 '19 at 5:22
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How to dynamically create a class?
... to have a static base class or interface that your dynamic class inherits from and can be casted to. In that case you can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter (is null now)
– danijels
...
No connection could be made because the target machine actively refused it?
...ameter is often configurable if you control the server, and is likely read from some settings file or the registry. Investigate how to configure your server.
If you wrote the server, you might have heavy processing in the accept of your socket, and this can be better moved to a separate worker-thr...
How do I output the difference between two specific revisions in Subversion?
... @Fonix are you in the paradigm of "how does another commit differ from my current state"? If so, I agree. I usually think of chronological changes commits, so changes made in HEAD would have been the new/added changes from PREV, which is the paradigm I usually think in. There are cases and ...
What are the best practices for catching and re-throwing exceptions?
...
There's a reason I think you've missed from your list here - you may not be able to tell whether you can handle an exception until you've caught it and had a chance to inspect it. For example, a wrapper for a lower-level API that uses error codes (and has zillions...