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How do I do an OR filter in a Django query?
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There is Q objects that allow to complem>x m> lookups. Em>x m>ample:
from django.db.models import Q
Item.objects.filter(Q(creator=owner) | Q(moderated=False))
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im...
C++ auto keyword. Why is it magic?
...f auto to mean a deduced type was new with C++11.
At the same time, auto m>x m> = initializer deduces the type of m>x m> from the type of initializer the same way as template type deduction works for function templates. Consider a function template like this:
template<class T>
int whatever(T t) {
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Is there a way to chain multiple value converters in m>X m>AML?
...which I need to show an integer value, bound to a property on my data contem>x m>t, after putting it through two separate conversions:
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Why does “pip install” inside Python raise a Syntam>x m>Error?
...kage. I try to run pip install from the Python shell, but I get a Syntam>x m>Error . Why do I get this error? How do I use pip to install the package?
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Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...d with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
m>x m> = np.linspace(0, 20, 1000)
y1 = np.sin(m>x m>)
y2 = np.cos(m>x m>)
plt.plot(m>x m>, y1, "-b", label="sine")
plt.plot(m>x m>, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()
Slightly modified from this ...
How to write a cron that will run a script every day at midnight?
...--0 minutes and 0 hours--and the *s mean every day of every month.)
Syntam>x m>:
mm hh dd mt wd command
mm minute 0-59
hh hour 0-23
dd day of month 1-31
mt month 1-12
wd day of week 0-7 (Sunday = 0 or 7)
command: what you want to run
all numeric values can be replaced by * which mean...
How can I link to a specific glibc version?
...ioning implementation introduced in glibc 2.1 is described here and is an em>x m>tension of Sun's symbol versioning scheme described here.
One option is to statically link your binary. This is probably the easiest option.
You could also build your binary in a chroot build environment, or using a glibc...
mingw-w64 threads: posim>x m> vs win32
...ling mingw-w64 on Windows and there are two options: win32 threads and posim>x m> threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posim>x m> threads it will prevent me from calling ...
What does “Splats” mean in the CoffeeScript tutorial?
...y early on (see issue 16), but at Douglas Crockford's suggestion, the syntam>x m> was changed from *m>x m> to m>x m>... a couple of weeks later (see issue 45). Nevertheless, CoffeeScripters still refer to the syntam>x m> as the "splat" or "splat operator."
As to what they actually do, splats slice the arguments object...
warning about too many open figures
In a script where I create many figures with fim>x m>, am>x m> = plt.subplots(...) , I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplotlib.pyplot.figure) are retained until em>x m>plicitly closed and may consume too much memory.
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