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Make a link open a new window (not tab) [duplicate]
...is not a matter of year or browser, most modern browsers open in a new tab nowadays. You need a javascript solution like Ievgen's for this.
– Christoph
Sep 15 '15 at 14:27
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What are the differences between numpy arrays and matrices? Which one should I use?
...the calls to the dot function. But this argument will disappear in future, now that the @-operator is accepted for use with matrix multiplication, see PEP 465. This will need Python 3.5 and the latest version of Numpy. The matrix class might be deprecated in the far future, so better to use ndarray ...
How do I attach events to dynamic HTML elements with jQuery? [duplicate]
... preferred methods are .on() and .off()
Sean's answer shows an example.
Now Deprecated:
Use the jQuery functions .live() and .die(). Available in
jQuery 1.3.x
From the docs:
To display each paragraph's text in an
alert box whenever it is clicked:
$("p").live("click", fu...
How do I detect whether a Python variable is a function?
I have a variable, x , and I want to know whether it is pointing to a function or not.
25 Answers
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
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@anoniim Joiner.join in what is now Google Guava is overloaded for Iterable as well as Arrays: docs.guava-libraries.googlecode.com/git-history/release/javadoc/…
– nd.
Nov 28 '13 at 18:48
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How do I put a variable inside a string?
... With the introduction of f-strings in Python 3.6, this can now be written as plot.savefig(f'hanning{num}.pdf'). I added an answer with this info.
– joelostblom
May 26 '17 at 15:30
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Is it possible to animate scrollTop with jQuery?
... I think body worked in Chrome as of earlier this year, but now it has to be html.
– Nick Davies
Dec 8 '17 at 19:19
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Open firewall port on CentOS 7
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The answer by ganeshragav is correct, but
it is also useful to know that you can use:
firewall-cmd --permanent --zone=public --add-port=2888/tcp
but if is a known service, you can use:
firewall-cmd --permanent --zone=public --add-service=http
and then reload the firewall
firewall...
How should I write tests for Forms in Django?
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self.assertContains(response, "Invalid message here", 1, 200)
But I see now (2018) there is a whole crowd of applicable asserts available:
assertRaisesMessage
assertFieldOutput
assertFormError
assertFormsetError
Take your pick.
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How to get a enum value from string in C#?
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Now there is the generic Enum.TryParse<TEnum>() method.
– Eugene Maksimov
Oct 19 '15 at 9:39
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