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Redis: possible to expire an element in an array or sorted set?
...to it's underlying data structure. However there is a discussion on google groups about this functionality with outlined alternative solutions.
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Can you run GUI applications in a Docker container?
...ate && apt-get install -y firefox
# Replace 1000 with your user / group id
RUN export uid=1000 gid=1000 && \
mkdir -p /home/developer && \
echo "developer:x:${uid}:${gid}:Developer,,,:/home/developer:/bin/bash" >> /etc/passwd && \
echo "developer:x:...
Bypass confirmation prompt for pip uninstall
... during migration of a module from one package to another, e.g. pinax.apps.groups -> django-groups, especially when the problem is with load templatetags statements in django which search all available modules for templatetags directories and the tag definitions within.
...
Why can't an anonymous method be assigned to var?
... he says
And in fact the C# 2.0 specification
calls this out. Method group
expressions and anonymous method
expressions are typeless expressions
in C# 2.0, and lambda expressions join
them in C# 3.0. Therefore it is
illegal for them to appear "naked" on
the right hand side of an im...
What's the result of += in C and C++?
...
The assignment operator (=) and the compound assignment operators all group right-to-left. All require a modifiable
lvalue as their left operand and return an lvalue with the type and value of the left operand after the assignment has taken place.
EDIT : The behavior of (i+=10)+=10 in C++ ...
How can I obtain an 'unbalanced' grid of ggplots?
...(rows = vars(gear))
p2 <- ggplot(mtcars) + geom_boxplot(aes(gear, disp, group = gear))
p3 <- ggplot(mtcars) + geom_smooth(aes(disp, qsec))
p4 <- ggplot(mtcars) + geom_bar(aes(carb))
Now arrange the plots.
p1 + (p2 / p3 / p4)
...
Annotating text on individual facet in ggplot2
... use geom_text() on my faceted plot. It's the same problem discussed here (groups.google.com/forum/?fromgroups=#!topic/ggplot2/evsbeBT48M4), and was resolved by using annotate("text",...). Does anyone else get blurry labels with geom_text()?
– Margaret
Feb 6 '1...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
I was invited to the kindergarten group of my elder daughter to talk and answer the kids' questions about my profession. There are 26 kids of age 4-6 in the group, plus 3 teachers who are fairly scared of anything related to programming and IT themselves, but bold enough to learn new tricks. I would...
Setting different color for each series in scatter plot on matplotlib
...dint
import numpy as np
#Let's generate some random X, Y data X = [ [frst group],[second group] ...]
X = [ [randint(0,50) for i in range(0,5)] for i in range(0,24)]
Y = [ [randint(0,50) for i in range(0,5)] for i in range(0,24)]
labels = range(1,len(X)+1)
fig = plt.figure()
ax = fig.add_subplot(11...
When and why should I use fragments in Android applications? [duplicate]
...d lotsa cases that the piece of view that is subject to be a separate view group has the same lifecycle. but I used fragment becuase i wanted to use it multiple places and at the same time i needed to be aware of lifecycle and do some logic depend on that. while if i used viewgroup i needed to infor...
