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LINQ's Distinct() on a particular property
I am playing with LINQ to learn about it, but I can't figure out how to use Distinct when I do not have a simple list (a simple list of integers is pretty easy to do, this is not the question). What I if want to use Distinct on a list of an Object on one or more properties of the object?
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Identifying and removing null characters in UNIX
I have a text file containing unwanted null characters (ASCII NUL, \0 ). When I try to view it in vi I see ^@ symbols, interleaved in normal text. How can I:
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Setting different color for each series in scatter plot on matplotlib
...'manually'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
for y, c in zip(ys, colors):
plt...
Java Reflection: How to get the name of a variable?
Using Java Reflection, is it possible to get the name of a local variable? For example, if I have this:
8 Answers
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How to convert URL parameters to a JavaScript object?
I have a string like this:
30 Answers
30
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Send string to stdin
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You can use one-line heredoc
cat <<< "This is coming from the stdin"
the above is the same as
cat <<EOF
This is coming from the stdin
EOF
or you can redirect output from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
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How to sort a file, based on its numerical values for a field?
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Take a peek at the man page for sort...
-n, --numeric-sort
compare according to string numerical value
So here is an example...
sort -n filename
share
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How to escape apostrophe (') in MySql?
...tle bit more than you mention. It also says,
A “'” inside a string quoted with “'” may be written as “''”.
(Also, you linked to the MySQL 5.0 version of Table 8.1. Special Character Escape Sequences, and the current version is 5.6 — but the current Table 8.1. Special Character...
Accessing an array out of bounds gives no error, why?
I am assigning values in a C++ program out of the bounds like this:
17 Answers
17
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Which commit has this blob?
Given the hash of a blob, is there a way to get a list of commits that have this blob in their tree?
7 Answers
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