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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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How to set std::tuple element by index?
...rns a reference to the value. So you set the value like this:
std::get<0>(myTuple) = newValue;
This of course assumes that myTuple is non-const. You can even move items out of a tuple via std::move, by invoking it on the tuple:
auto movedTo = std::get<0>(std::move(myTuple));
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How to store CGRect values in NSMutableArray?
...eArray mutableArray];
[array addObject:[NSValue valueWithCGRect:CGRectMake(0,0,10,10)]];
CGRect someRect = [[array objectAtIndex:0] CGRectValue];
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Check whether a string contains a substring
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edited Dec 15 '15 at 9:40
answered Sep 2 '11 at 12:21
Eug...
plot with custom text for x axis points
...xticks:
import matplotlib.pyplot as plt
import numpy as np
x = np.array([0,1,2,3])
y = np.array([20,21,22,23])
my_xticks = ['John','Arnold','Mavis','Matt']
plt.xticks(x, my_xticks)
plt.plot(x, y)
plt.show()
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How do I search within an array of hashes by hash values in ruby?
...@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns an array containing all elements of [the enumerable, in this case @fathers] for which block is not false."
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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edited Aug 6 '13 at 6:10
answered Apr 2 '13 at 9:48
Monk...
Android TextView padding between lines
...iplier works for me with float values like: android:lineSpacingMultiplier="0.8"
– Juan Saravia
Mar 25 '15 at 16:58
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Change UICollectionViewCell size on different device orientations
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200
1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add...
Can you avoid Gson converting “” into unicode escape sequences?
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answered Nov 10 '10 at 17:32
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