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Histogram Matplotlib

... compute the widths using np.diff, pass the widths to ax.bar and use ax.set_xticks to label the bin edges: import matplotlib.pyplot as plt import numpy as np mu, sigma = 100, 15 x = mu + sigma * np.random.randn(10000) bins = [0, 40, 60, 75, 90, 110, 125, 140, 160, 200] hist, bins = np.histogram(x,...
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Get the date (a day before current time) in Bash

... a one-liner, so cut and paste should work -- no line endings assumed. date_days_past () { days_past=${1:-0}; if ! date -v-${days_past}d +%Y%m%d 2>/dev/null; then date --date="-${days_past} day" +%Y%m%d; fi } – Noah Spurrier May 16 '16 at 21:29 ...
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Should I write script in the body or the head of the html? [duplicate]

... I would answer this with multiple options actually, the some of which actually render in the body. Place library script such as the jQuery library in the head section. Place normal script in the head unless it becomes a performance/page load issue. Place script associa...
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Repeat String - Javascript

... Actually, both of your arguments apply to the global namespace as well. If I'm going to expand a namespace and have potential collisions, I'd rather do it 1) not in global 2) in one that is relevant and 3) is easy to refactor. ...
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How do I call a dynamically-named method in Javascript?

I am working on dynamically creating some JavaScript that will be inserted into a web page as it's being constructed. 9 An...
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Take a screenshot of a webpage with JavaScript?

... to build the control in VB6 to take the screenshot. I had to use the keybd_event API call because SendKeys can't do PrintScreen. Here's the code for that: Declare Sub keybd_event Lib "user32" _ (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long) Public Const...
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Ruby on Rails: How can I revert a migration with rake db:migrate?

...to revert. eg. if you want to revert a migration with file name 3846656238_create_users.rb rake db:migrate:down VERSION=3846656238 share | improve this answer | follow ...
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Make an image width 100% of parent div, but not bigger than its own width

... If the image is smaller than parent... .img_100 { width: 100%; } share | improve this answer | follow | ...
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Is there an easy way to add a border to the top and bottom of an Android View?

...so see this solution, which also works for TextViews, if you want a border all around: stackoverflow.com/questions/3263611/… – emmby Dec 9 '10 at 20:09 26 ...
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How to find day of week in php in a specific timezone

... Another quick way: date_default_timezone_set($userTimezone); echo date("l"); share | improve this answer | follow ...