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ruby convert array into function arguments

... 104 You can turn an Array into an argument list with the * (or "splat") operator: a = [0, 1, 2, 3,...
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Adding a legend to PyPlot in Matplotlib in the simplest manner possible

...ll legend(loc='upper left'). Consider this sample (tested with Python 3.8.0): import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 20, 1000) y1 = np.sin(x) y2 = np.cos(x) plt.plot(x, y1, "-b", label="sine") plt.plot(x, y2, "-r", label="cosine") plt.legend(loc="upper left") plt.y...
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How do I browse an old revision of a Subversion repository through the web view?

...Bert Huijben's comment: If your repository is hosted using Subversion 1.6.0 or later, you can use example.com/svnrepository/?p=3 for the same result... This method /is/ documented. (?r= revision of the file, ?p= operational revision of the URL). See the subversion 1.6 release notes ...
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mongodb group values by multiple fields

... 207 TLDR Summary In modern MongoDB releases you can brute force this with $slice just off the basi...
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How do I set a background-color for the width of text, not the width of the entire element, using CS

... I want is for the green background to be just behind the text, not to be 100% of the page width. Here is my current code: ...
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Deleting all pending tasks in celery / rabbitmq

... 303 From the docs: $ celery -A proj purge or from proj.celery import app app.control.purge() ...
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What is the tilde (~) in the enum definition?

... 10 Answers 10 Active ...
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How do you reindex an array in PHP?

... | edited Feb 26 '09 at 16:13 answered Feb 26 '09 at 16:07 ...
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How to assign colors to categorical variables in ggplot2 that have stable mapping?

...al colour scale as follows: #Some test data dat <- data.frame(x=runif(10),y=runif(10), grp = rep(LETTERS[1:5],each = 2),stringsAsFactors = TRUE) #Create a custom color scale library(RColorBrewer) myColors <- brewer.pal(5,"Set1") names(myColors) <- levels(dat$grp) colScale <- sc...
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...你把他的源码下下来编译后,你会发现解释器居然不到200k,这是多么地变态啊(/bin/sh都要1M,MacOS平台),而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码,这可能是我看过最干净的C的源码了。 我不想写...