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Getting individual colors from a color map in matplotlib
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In order to get rgba integer value instead of float value, we can do
rgba = cmap(0.5,bytes=True)
So to simplify the code based on answer from Ffisegydd, the code would be like this:
#import colormap
from matplotlib import cm...
What is the difference between synchronous and asynchronous programming (in node.js)
...he next statement is run. In this case the program is evaluated exactly in order of the statements.
This is how asynchronous works in JavaScript. There are two parts in the JavaScript engine, one part that looks at the code and enqueues operations and another that processes the queue. The queue pro...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的），原来UTF-8文件分为有BOM和无BOM两种，所谓的BOM(Byte Order Mark)，是UTF编码中的一个标记，文件开头添加了三个字节OxEF 0xBB 0xBF。这个标记是可选的，因为UTF-8字节没有顺序，所以它可以被用来检测一个字节流是否是UTF-8编码的...
What is git actually doing when it says it is “resolving deltas”?
...on't want to have to play back every single change ever on a given file in order to get the current version, so Git also has occasional snapshots of the file contents stored as well. "Resolving deltas" is the step that deals with making sure all of that stays consistent.
Here's a chapter from the "...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
... manual processing allows them to take additional checks before filling an order. I'm told that they reject a little over 20% of all their transactions - processing manually certainly takes extra time and in one case they have an employee who does nothing but process transactions, but the cost of p...
Why are unnamed namespaces used and what are their benefits?
... today is. However, C++98/C++03 required things have external linkage in order to be used as template arguments. Since things in anonymous namespaces are available as template arguments, they would have external linkage (at least in pre-C++11) even if there was no way to refer to them from outsid...
How does the socket API accept() function work?
.... This was done to improve per-packet performance: computers were several orders of magnitude slower in those days.
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How to run a background task in a servlet based web application?
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I would suggest using a library like quartz in order to run the task at regular intervals. What does the servlet really do ? It sends you a report ?
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Are parallel calls to send/recv on the same socket valid?
...ifferent threads, the OS will handle the synchronization.
However, if the order of sending/receiving is semantically significant, you yourself (respectively your code) have to ensure proper sequencing between the operations in the different threads - as is always the case with threads.
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Building and running app via Gradle and Android Studio is slower than via Eclipse
... bought a new SSD and went from Windows to Linux.My build times are now an order of magnitude faster, and no longer annoying.
Though it does not directly answer your question as to why it's slower than eclipse, it shows that the process is disk-bounded and an upgrade to an SSD might be a (somewhat...