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Any reason to prefer getClass() over instanceof when generating .equals()?
...in most of them. She also gets into the instanceof vs getClass. Some quote from it
Conclusions
Having dissected the four arbitrarily chosen examples of implementations of equals() , what do we conclude?
First of all: there are two substantially different ways of performing the check for type match ...
How can I listen to the form submit event in javascript?
...documentation on MDN.
To cancel the native submit event (prevent the form from being submitted), use .preventDefault() in your callback function,
document.querySelector("#myForm").addEventListener("submit", function(e){
if(!isValid){
e.preventDefault(); //stop form from submitting
...
In Python how should I test if a variable is None, True or False
..."result pass"
else:
print "result fail"
# execution continues from here, regardless of exception or not
And now you can have a much richer type of notification from the simulate method as to what exactly went wrong, in case you find error/no-error not to be informative enough.
...
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
...
Find the most frequent number in a numpy vector
...ng numpy, collections.Counter is a good way of handling this sort of data.
from collections import Counter
a = [1,2,3,1,2,1,1,1,3,2,2,1]
b = Counter(a)
print(b.most_common(1))
share
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improve this ...
Titlecasing a string with exceptions
...
Use the titlecase.py module! Works only for English.
>>> from titlecase import titlecase
>>> titlecase('i am a foobar bazbar')
'I Am a Foobar Bazbar'
GitHub: https://github.com/ppannuto/python-titlecase
...
Creating a Radial Menu in CSS
...le-factor: cos($skew-angle); // correction factor - see vimeo.com/98137613 from min 15
$off-angle: .125deg; // offset angle so we have a little space between menu items
// don't show the actual checkbox
input {
transform: translate(-100vw); // move offscreen
visibility: hidden; // avoid paint
}...
When is JavaScript's eval() not evil?
...erver-side JavaScript could have that problem.
On to your specific case. From what I understand, you're generating the strings yourself, so assuming you're careful not to allow a string like "rm -rf something-important" to be generated, there's no code injection risk (but please remember, it's ver...
What is the use for Task.FromResult in C#
...eb service. You could have a synchronous service method that returns Task.FromResult and a client that awaits asynchronously for the network I/O. This way you can share the same interface between client/server using ChannelFactory.
– Nelson Rothermel
Sep 25 '...
Export/import jobs in Jenkins
...ing jobs between servers
The trick probably was the need to reload config from the Jenkins Configuration Page.
Update 2020.03.10
The JenkinsCI landscape has changed a lot... I've been using Job DSL for a while now.
We have a SEED Job that generates the rest of the jobs.
This helps us both recrea...