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Numpy how to iterate over columns of array?

... – Ibrahim Muhammad Sep 23 '13 at 17:08 49 For those wondering, array.T isn't costly, as it just c...
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How do I install the OpenSSL libraries on Ubuntu?

I'm trying to build some code on Ubuntu 10.04 LTS that uses OpenSSL 1.0.0. When I run make, it invokes g++ with the "-lssl" option. The source includes: ...
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JavaScript + Unicode regexes

... 205 Situation for ES 6 The upcoming ECMAScript language specification, edition 6, includes Unicode-...
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How can I convert an RGB image into grayscale in Python?

... 320 How about doing it with Pillow: from PIL import Image img = Image.open('image.png').convert('LA...
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Clear icon inside input text

...ch" to your input The support is pretty decent but will not work in IE<10 <input type="search"> Clearable input for old browsers If you need IE9 support here are some workarounds Using a standard <input type="text"> and some HTML elements: /** * Clearable text ...
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What is the Ruby (spaceship) operator?

...ther language that supports it. Basically instead of returning 1 (true) or 0 (false) depending on whether the arguments are equal or unequal, the spaceship operator will return 1, 0, or −1 depending on the value of the left argument relative to the right argument. a <=> b := if a < b t...
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Declaring variables inside or outside of a loop

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How to sleep for five seconds in a batch file/cmd [duplicate]

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How do I get the current date in JavaScript?

... var today = new Date(); var dd = String(today.getDate()).padStart(2, '0'); var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0! var yyyy = today.getFullYear(); today = mm + '/' + dd + '/' + yyyy; document.write(today); This will give you today's date in the forma...
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How to split a long regular expression into multiple lines in JavaScript?

... split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think. Here's pattern sample: ...