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Using %f with strftime() in Python to get microseconds
...strftime accepts a timetuple that does not carry microsecond information.
from datetime import datetime
datetime.now().strftime("%H:%M:%S.%f")
Should do the trick!
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Boost Statechart vs. Meta State Machine
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Definitely, but I learned statecharts from discrete math, not software engineering. This leaves a mark :)
– blaze
Nov 25 '10 at 13:47
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pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
So I've been getting some mysterious uninitialized values message from valgrind and it's been quite the mystery as of where the bad value originated from.
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Histogram using gnuplot?
... rendered as centered on their lower bound. Strictly they ought to extend from the lower bound to the upper bound. This can be corrected by modifying the bin function: bin(x,width)=width*floor(x/width) + width/2.0
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list every font a user's browser can display
...I'd prefer not to have to hardcode this list ahead of time or send it down from the server. (Intuitively, it seems like the browser should know what fonts it has and this should be exposed to javascript somehow.)
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CSS media queries: max-width OR max-height
...screen and (max-width: 995px) , screen and (max-height: 700px) {
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}
From https://developer.mozilla.org/en/CSS/Media_queries/
...In addition, you can combine multiple media queries in a comma-separated list; if any of the media queries in the list is true, the associated style sheet is app...
PUT vs. POST in REST
...stomer” resource with a
different mailing address field value.
taken from REST API Design - Resource Modeling by Prakash Subramaniam of Thoughtworks
This forces the API to avoid state transition problems with multiple clients updating a single resource, and matches more nicely with event sour...
How to plot two columns of a pandas data frame using points?
I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need:
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Passing variables to the next middleware using next() in Express.js
Well, my question is I want to pass some variable from the first middleware to another middleware, and I tried doing this, but there was " req.somevariable is a given as 'undefined'".
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Creating my own Iterators
...MO) elegant solution for exactly your problem: exposing member collections from an object, using Boost.Iterators.
If you want to use the stl only, the Josuttis book has a chapter on implementing your own STL iterators.
shar...