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Making heatmap from pandas DataFrame
...y as np
from pandas import DataFrame
import matplotlib.pyplot as plt
indem>x m> = ['aaa', 'bbb', 'ccc', 'ddd', 'eee']
columns = ['A', 'B', 'C', 'D']
df = DataFrame(abs(np.random.randn(5, 4)), indem>x m>=indem>x m>, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.indem>x m>), 1), df.indem>x m>)
plt.m>x m>ticks...
How to enter a multi-line command
... or any other kind of parentheses will allow line continuation directly:
$m>x m>=1..5
$m>x m>[
0,3
] | % {
"Number: $_"
}
Similar to the | a comma will also work in some contem>x m>ts:
1,
2
Keep in mind, though, similar to JavaScript's Automatic Semicolon Insertion, there are some things that are similar...
Reducing MongoDB database file size
... was once large (>3GB). Since then, documents have been deleted and I was em>x m>pecting the size of the database files to decrease accordingly.
...
Center Oversized Image in Div
...est of the styling used
}
.child {
position: absolute;
top: -9999pm>x m>;
bottom: -9999pm>x m>;
left: -9999pm>x m>;
right: -9999pm>x m>;
margin: auto;
}
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Meaning of @classmethod and @staticmethod for beginner? [duplicate]
Could someone em>x m>plain to me the meaning of @classmethod and @staticmethod in python? I need to know the difference and the meaning.
...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
I've got a layer with some complem>x m> drawing code in its -drawInContem>x m>t: method. I'm trying to minimize the amount of drawing I need to do, so I'm using -setNeedsDisplayInRect: to update just the changed parts. This is working splendidly. However, when the graphics system updates my layer, it's transi...
How do I install Maven with Yum?
...wards the process is easy
Run the wget command from the dir you want to em>x m>tract maven too.
run the following to em>x m>tract the tar,
tar m>x m>vf apache-maven-3.0.5-bin.tar.gz
move maven to /usr/local/apache-maven
mv apache-maven-3.0.5 /usr/local/apache-maven
Nem>x m>t add the env variables to your ~/.bas...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
I get this error after adding a Swift class to an old m>X m>code project.
36 Answers
36
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How can I measure the actual memory usage of an application or process?
...unt of memory reserved for it
can be misleading if pages are shared, for em>x m>ample by several threads or by using dynamically linked libraries
If you really want to know what amount of memory your application actually uses, you need to run it within a profiler. For em>x m>ample, Valgrind can give you in...
When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
...he corresponding failed to download artifact directory in my local repo. Nem>x m>t time I run the maven command the artifact download is triggered again. Therefore I'd say it's a client side setting.
Nem>x m>us side (server repo side), this issue is solved configuring a scheduled task.
Client side, this is ...