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How to add leading zeros for for-loop in shell? [duplicate]

... that this feature got introduced with bash-4.0-alpha: Brace expansion now allows zero-padding of expanded numeric values and will add the proper number of zeroes to make sure all values contain he same number of digits.). – Adrian Frühwirth Feb 13 '15 at 18:5...
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Python matplotlib multiple bars

How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only. How can I plot the multiple bars with dates on the x-axes? ...
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How to get UTC time in Python?

...poses when you need to calculate an amount of time spent between two dates all that you need is to substract end and start dates. The results of such substraction is a timedelta object. From the python docs: class datetime.timedelta([days[, seconds[, microseconds[, milliseconds[, minutes[, hours[,...
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Sorting Python list based on the length of the string

I want to sort a list of strings based on the string length. I tried to use sort as follows, but it doesn't seem to give me correct result. ...
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Activate a virtualenv via fabric as deploy user

I want to run my fabric script locally, which will in turn, log into my server, switch user to deploy, activate the projects .virtualenv, which will change dir to the project and issue a git pull. ...
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Is it possible to figure out the parameter type and return type of a lambda?

...Andry that's a fundamental problem with function objects that have (potentially) multiple overloads of operator() not with this implementation. auto is not a type, so it can't ever be the answer to traits::template arg<0>::type – Caleth Jan 16 '18 at 12:1...
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How do I set a ViewModel on a window in XAML using DataContext property?

The question pretty much says it all. 5 Answers 5 ...
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How to add facebook share button on my website?

... You don't need all that code. All you need are the following lines: <a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank"> Share on Facebook </a> Documentation can be found at https://developers...
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What is q=0.5 in Accept* HTTP headers?

... This is called a relative quality factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4: Each language-range MAY be given an associated quality value w...
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Range references instead values

I saw that range returns the key and the "copy" of the value. Is there a way for that range to return the adress of the item? Example ...