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Immutability of Strings in Java
...Hello";
Now, trying to assign another String to STR will cause a compile error.
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How many double numbers are there between 0.0 and 1.0?
... between 0.0 and 1.0, keeping track of the scale separately, yielding less error in computation. It's nice when the entire number line can be mapped between two numbers!
– codekaizen
Jul 8 '10 at 19:27
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psycopg2: insert multiple rows with one query
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in case someone encounters the following error: [TypeError: sequence item 0: expected str instance, bytes found] run this command instead [args_str = ','.join(cur.mogrify("(%s,%s)", x).decode("utf-8") for x in tup)]
– mrt
Sep 3...
How do I tokenize a string in C++?
...e to separate the two ">" characters before the tokens(text, sep) bit: (error C2947: expecting '>' to terminate template-argument-list, found '>>')
– AndyUK
Oct 1 '10 at 15:57
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GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...lure(Call<List<Datum>> call, Throwable t) {
Log.e("Error",t.getMessage());
}
});
}
}
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Filter dataframe rows if value in column is in a set list of values [duplicate]
...ant the values in 'STK_ID' to end with, e.g.
endstrings = ['01$', '02$', '05$']
We can join these strings with the regex 'or' character | and pass the string to str.contains to filter the DataFrame:
>>> rpt[rpt['STK_ID'].str.contains('|'.join(endstrings)]
... STK_ID ...
... '15590...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
I'm running into "413 Request Entity Too Large" errors when posting files larger than 10MB to our API running on AWS Elastic Beanstalk.
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Reverse colormap in matplotlib
...ks:
my_cmap
<matplotlib.colors.LinearSegmentedColormap at 0xd5a0518>
my_cmap_r = reverse_colourmap(my_cmap)
fig = plt.figure(figsize=(8, 2))
ax1 = fig.add_axes([0.05, 0.80, 0.9, 0.15])
ax2 = fig.add_axes([0.05, 0.475, 0.9, 0.15])
norm = mpl.colors.Normalize(vmin=0, vmax=1)
cb1 = mpl...
How to prevent ifelse() from turning Date objects into numeric objects
...1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): the true and false arguments must be the same type. This gives a less surprising return type, and preserves S3 vectors lik...
How can I reverse a NSArray in Objective-C?
... I'm no longer able to reproduce that bug. It could have been my error. This is a very elegant solution.
– Matt Williamson
Feb 17 '11 at 22:05
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