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Plotting time in Python with Matplotlib
...e data
x = [datetime.datetime.now() + datetime.timedelta(hours=i) for i in range(12)]
y = [i+random.gauss(0,1) for i,_ in enumerate(x)]
# plot
plt.plot(x,y)
# beautify the x-labels
plt.gcf().autofmt_xdate()
plt.show()
Resulting image:
Here's the same as a scatter plot:
import datetime
impo...
How to HTML encode/escape a string? Is there a built-in?
... 3 HTML will be escaped by default.
For non-escaped strings use:
<%= raw "<p>hello world!</p>" %>
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When to use pip requirements file versus install_requires in setup.py?
...tool has a requirements.txt file that pins a particular version or version range of requests, that would seem to create a potential problem for my-web-app, which might have specified a conflicting version/version range.
– Reece
Mar 5 '14 at 21:53
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jQuery event for images loaded
...perty for IMG element load states:
http://github.com/peol/jquery.imgloaded/raw/master/ahpi.imgload.js
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When to use AtomicReference in Java?
...a use case for AtomicReference:
Consider this class that acts as a number range, and uses individual AtmomicInteger variables to maintain lower and upper number bounds.
public class NumberRange {
// INVARIANT: lower <= upper
private final AtomicInteger lower = new AtomicInteger(0);
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Date only from TextBoxFor()
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Don't be afraid of using raw HTML.
<input type="text" value="<%= Html.Encode(Model.SomeDate.ToShortDateString()) %>" />
How do I revert a Git repository to a previous commit?
...ate revert commits:
git revert a867b4af 25eee4ca 0766c053
# It also takes ranges. This will revert the last two commits:
git revert HEAD~2..HEAD
#Similarly, you can revert a range of commits using commit hashes (non inclusive of first hash):
git revert 0d1d7fc..a867b4a
# Reverting a merge commit
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...ten in C/C++, or if the new process chooses to ignore argv and process the raw commandline for itself (e.g. with GetCommandLine()). At the OS level, Windows passes command lines untokenized as a single string to new processes. This is in contrast to most *nix shells, where the shell tokenizes argu...
How to revert a “git rm -r .”?
...essary). Just compile and run, then pass in your git repo local directory. raw.githubusercontent.com/bluuman/git-recover-files/master/…
– James Meas
Jun 20 '18 at 5:28
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How to convert a number to string and vice versa in C++
...cted, for example because there is no numeric data or the number is out-of-range for the type, an exception is thrown (std::invalid_argument or std::out_of_range).
If conversion succeeded and idx is not 0, idx will contain the index of the first character that was not used for decoding. This could ...