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What's the fastest algorithm for sorting a linked list?
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Comparison sorts (i.e. ones based on comparing elements) cannot possibly be faster than n log n. It doesn't matter what the underlying data structure is. See Wikipedia.
Other kinds of sort that take advantage of there being lots of identical elements i...
What is Linux’s native GUI API?
...int migrate to it, though there is still no clear schedule. This system is based on OpenGL/ES API, which means that in the future OpenGL will be the "native GUI API" in Linux. Work is being done to port GTK+ and QT to Wayland, so that current popular applications and desktop systems would need minim...
Rebasing remote branches in Git
...an clone and work on. The intermediate repository has it's master branch rebased nightly from the upstream SVN, and we are working on feature branches. For example:
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Express.js - app.listen vs server.listen
... to provide both HTTP and HTTPS versions of your
app with the same code base, as the app does not inherit from these
(it is simply a callback):
http.createServer(app).listen(80);
https.createServer(options, app).listen(443);
The app.listen() method returns an http.Server object and (for...
Filter data.frame rows by a logical condition
I want to filter rows from a data.frame based on a logical condition. Let's suppose that I have data frame like
9 Answers...
Image library for Python 3
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You can use my package mahotas on Python 3. It is numpy-based rather than PIL based.
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Increase number of axis ticks
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Based on Daniel Krizian's comment, you can also use the pretty_breaks function from the scales library, which is imported automatically:
ggplot(dat, aes(x,y)) + geom_point() +
scale_x_continuous(breaks = scales::pretty_break...
Drawing an image from a data URL to a canvas
...ht not be necessary to use the onload handler when a data URI is involved. Based on experimental tests from this question, it is not safe to do so. The above sequence—create the image, set the onload to use the new image, and then set the src—is necessary for some browsers to surely use the resu...
Difference between MVC 5 Project and Web Api Project
...API controller is an MVC controller, which uses HttpMessageResponse as the base type of its response, instead of ActionResponse. They are the same in most other respects. The main difference between the project types is that the MVC Application project type adds web specific things like default CSS,...
ContextLoaderListener or not?
...d just the classes annotated with @Controller:
<context:component-scan base-package="com.shunra.vcat">
<context:include-filter expression="org.springframework.stereotype.Controller" type="annotation"/>
</context:component-scan>
On the applicationContext.xml files I added all ...