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How to update a plot in matplotlib?
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You essentially have two options:
Do exactly what you're currently doing, but call graph1.clear() and graph2.clear() before replotting the data. This is the slowest, but most simplest and most robust option.
Instead of replotting, you can just update the dat...
What's the best way to detect a 'touch screen' device using JavaScript?
...zr only covers a basic use case.
Modernizr is a great, lightweight way to do all kinds of feature detection on any site.
It simply adds classes to the html element for each feature.
You can then target those features easily in CSS and JS. For example:
html.touch div {
width: 480px;
}
html.n...
Query to count the number of tables I have in MySQL
... am growing the number of tables I have and I am sometimes curious just to do a quick command line query to count the number of tables in my database. Is that possible? If so, what is the query?
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How to create a directory using Ansible
How do you create a directory www at /srv on a Debian-based system using an Ansible playbook?
22 Answers
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Converting JSON String to Dictionary Not List
...nts in these datapoints(i.e. datapoints[0][0]). Just to list them, I tried doing datapoints[0:5][0] but all I get is the first datapoint with both elements as opposed to wanting to get the first 5 datapoints containing only the first element. Is there a way to do this?
datapoints[0:5][0] doesn't ...
What is the difference between compare() and compareTo()?
...at is the difference between Java's compare() and compareTo() methods? Do those methods give same answer?
16 Answers
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Java Multiple Inheritance
...ggest to bypass the "multi-inheritance" problem with interfaces and that I don't recommend to use interfaces that represent already a concrete type (such as Bird) but more a behavior (others refer to duck-typing, which is good, too, but I mean just: the biological class of birds, Avialae). I also do...
PHP - iterate on string characters
...nice way to iterate on the characters of a string? I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string.
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Can't find Request.GetOwinContext
...text extension method is in the System.Web.Http.Owin dll which needs to be downloaded as a nuget package (The nuget package name is Microsoft.AspNet.WebApi.Owin)
Install-Package Microsoft.AspNet.WebApi.Owin
See msdn here: http://msdn.microsoft.com/en-us/library/system.net.http.owinhttprequestmess...
How to remove all debug logging calls before building the release version of an Android app?
...hat way, we always have the debug info being output for regular builds and don't have to make any code changes for release builds. ProGuard can also do multiple passes over the bytecode to remove other undesired statements, empty blocks and can automatically inline short methods where appropriate.
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