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Difference between filter and filter_by in SQLAlchemy
... db.users.name=='Ryan' evaluate once to a constant and then be meaningless from then on? It seems like one would need to use a lambda for this to work.
– Hamish Grubijan
Feb 27 '13 at 23:11
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How to Rotate a UIImage 90 degrees?
...rc drawAtPoint:CGPointMake(0, 0)];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
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Decreasing for loops in Python impossible?
...actually wanted range(5,-1,-1). Although he could probably figure that out from trial and error.
– kojiro
Aug 26 '13 at 1:20
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How do I request a file but not save it with Wget? [closed]
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Uh, I tried this and it didn't work for me. From what I found out, the ampersand should come after the greater than symbol.
– Tiago Espinha
Jul 12 '13 at 10:32
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Why is Python 3.x's super() magic?
...t of the PEP.
However, it was in fact Guido himself who then stepped away from the keyword idea as 'too magical', proposing the current implementation instead. He anticipated that using a different name for super() could be a problem:
My patch uses an intermediate solution: it assumes you need ...
Emulate ggplot2 default color palette
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It is just equally spaced hues around the color wheel, starting from 15:
gg_color_hue <- function(n) {
hues = seq(15, 375, length = n + 1)
hcl(h = hues, l = 65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(width = 4, height = 4)
plot(1:n, pch = 16, cex = 2...
What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...his field really belongs to the object itself or if it is simply inherited from the prototype chain and thus belongs to all the objects of that type.
for (o in listeners) {
if (listeners.hasOwnProperty(o)) {
console.log(o);
}
}
//prints:
// 0
// 1
// 2
Note, that although th...
Class method decorator with self arguments?
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A more concise example might be as follows:
#/usr/bin/env python3
from functools import wraps
def wrapper(method):
@wraps(method)
def _impl(self, *method_args, **method_kwargs):
method_output = method(self, *method_args, **method_kwargs)
return method_output + "!"
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What is the minimum I have to do to create an RPM file?
...or your needs. There is an example here which shows how to package an app from source. FPM can produce both deb files and RPM files.
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How to increase scrollback buffer size in tmux?
...pane creation and cannot be changed for existing panes. The value is taken from the history-limit session option (the default value is 2000).
To create a pane with a different value you will need to set the appropriate history-limit option before creating the pane.
To establish a different default...