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What do I use for a max-heap implementation in Python?
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The easiest way is to invert the value of the keys and use heapq. For example, turn 1000.0 into -1000.0 and 5.0 into -5.0.
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Python __str__ versus __unicode__
...ns. Generally, you should put all your string formatting in __unicode__(), and create a stub __str__() method:
def __str__(self):
return unicode(self).encode('utf-8')
In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). These behave as expected.
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chart.js load totally new data
...ad huge problems with this
First I tried .clear() then I tried .destroy() and I tried setting my chart reference to null
What finally fixed the issue for me: deleting the <canvas> element and then reappending a new <canvas> to the parent container
There's a million ways to do this:
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Storing R.drawable IDs in XML array
...ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
5 An...
How to have no pagebreak after \include in LaTeX
...ach subsection because my subsections are in separate files. I use the command \include{file} which adds a pagebreak after the use of it.
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How should I read a file line-by-line in Python?
...files faster than the garbage collector calls finalizers on orphaned file handles. The usual workaround is to trigger the GC immediately, but this is a nasty hack and it has to be done by every function that could encounter the error, including those in libraries. What a nightmare.
Or you could j...
How do I import a specific version of a package using go get?
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Go 1.11 will be having a feature called go modules and you can simply add a dependency with a version. Follow these steps:
go mod init .
go mod edit -require github.com/wilk/uuid@0.0.1`
go get -v -t ./...
go build
go install
Here's more info on that topic - https://gi...
What is the difference between Int and Integer?
In Haskell, what is the difference between an Int and an Integer ? Where is the answer documented?
6 Answers
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Android ADB device offline, can't issue commands
I can't connect to my device anymore using ADB through the command line or in Eclipse .
58 Answers
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How to use nodejs to open default browser and navigate to a specific URL
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Use opn because it will handle the cross platform issue. To install:
$ npm install opn
To use:
var opn = require('opn');
// opens the url in the default browser
opn('http://sindresorhus.com');
// specify the app to open in
opn('http://sindre...