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Integrate ZXing in Android Studio
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234
I was integrating ZXING into an Android application and there were no good sources for the inp...
Finding local IP addresses using Python's stdlib
How can I find local IP addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library?
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How can I check for Python version in a program that uses new language features?
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112
You can test using eval:
try:
eval("1 if True else 2")
except SyntaxError:
# doesn't have t...
Should methods in a Java interface be declared with or without a public access modifier?
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12 Answers
12
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Add a common Legend for combined ggplots
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Update 2015-Feb
See Steven's answer below
df1 <- read.table(text="group x y
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group4 0.417117 -0.002592
group1 -0.212201 0.358867
group...
Emulate ggplot2 default color palette
What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors:
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Check if a JavaScript string is a URL
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32 Answers
32
Active
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How do you add CSS with Javascript?
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You can also do this using DOM Level 2 CSS interfaces (MDN):
var sheet = window.document.styleSheets[0];
sheet.insertRule('strong { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wordin...
When to use , tag files, composite components and/or custom components?
I started using JSF 2.0 with Facelets recently and got puzzled by new composite components knowing existing <ui:include> and other templating techniques offered by Facelets 1.x.
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How to debug Lock wait timeout exceeded on MySQL?
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265
What gives this away is the word transaction. It is evident by the statement that the query w...