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using awk with column value conditions
... from The AWK Programming Language and I have a problem with one of the examples.
6 Answers
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Finding current executable's path without /proc/self/exe
It seems to me that Linux has it easy with /proc/self/exe. But I'd like to know if there is a convenient way to find the current application's directory in C/C++ with cross-platform interfaces. I've seen some projects mucking around with argv[0], but it doesn't seem entirely reliable.
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Embedding SVG into ReactJS
...current browser support for SVG (source). You just need to apply some syntax transformations to make it JSX compatible, like you already have to do for HTML (class → className, style="color: purple" → style={{color: 'purple'}}). For any namespaced (colon-separated) attribute, e.g. xlink:href, re...
Adding code to a javascript function programmatically
I'm attempting to customize an existing JS library without modifying the original JS code. This code loads in a few external JS files which I do have access to, and what I'd like to do is change one of the functions contained in the original file without copying and pasting the whole thing into the...
Set time part of DateTime in ruby
...Be aware that DateTime.now.midnight does not return 24:00:00 as you might expect, it returns 00:00:00 - the same value as beginning_of_day. See my answer as to why this could be important in some scenarios.
– rmcsharry
Apr 13 '16 at 11:06
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How to compare two colors for similarity/difference
...nd compute deltaE between your two Lab* values. It's not computationally expensive, it's just some nonlinear formulas and some multiplies and adds.
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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How to add a new row to an empty numpy array
...; arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr = np.append(arr, np.array([[1,2,3]]), axis=0)
arr = np.append(arr, np.array([[4,5,6]]), axis=0)
But, @jonrsharpe is right. In fact, if you're going to be appending in a loop, it would be much faster to append t...
Retrieving parameters from a URL
...ike the following, how can I parse the value of the query parameters? For example, in this case I want the value of def .
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Why is '+' not understood by Python sets?
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I'm not sure it does; "Because it is blue" does not explain "Why is the sky blue?"
– SingleNegationElimination
Oct 8 '11 at 17:20
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