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How to mount a host directory in a Docker container
...ou can do this. The simplest way to do so is to use the dockerfile ADD command like so:
ADD . /path/inside/docker/container
However, any changes made to this directory on the host after building the dockerfile will not show up in the container. This is because when building a container, docker co...
How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Python: Tuples/dictionaries as keys, select, sort
...ferent colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on.
I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g.,
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Best explanation for languages without null
...deling a door. It can be in one of three states: open, shut but unlocked, and shut and locked. Now I could model it along the lines of
class Door
private bool isShut
private bool isLocked
and it is clear how to map my three states into these two boolean variables. But this leaves a fou...
How can I prevent SQL injection in PHP?
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Use prepared statements and parameterized queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two...
Javadoc @see or {@link}?
Could someone tell me the difference between javadoc @see and {@link} ?
3 Answers
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Android on-screen keyboard auto popping up
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This worked for me. I'm running Android 2.3.4, and developing using <uses-sdk android:minSdkVersion="3" />
– Sandy
Oct 8 '11 at 20:32
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Django - Difference between import django.conf.settings and import settings
...ings file. django.conf.settings abstracts the concepts of default settings and site-specific settings; it presents a single interface. It also decouples the code that uses settings from the location of your settings.
UPDATE: if you want to define some own settings, see this part of the documentati...
Heatmap in matplotlib with pcolor?
...urce : http://flowingdata.com/2010/01/21/how-to-make-a-heatmap-a-quick-and-easy-solution/
#
# Other Links:
# http://stackoverflow.com/questions/14391959/heatmap-in-matplotlib-with-pcolor
#
# ------------------------------------------------------------------------
import matplotlib.pyplot as...
How do I get indices of N maximum values in a NumPy array?
...ten equivalently as arr.argsort()[-1:-4:-1]? I've tried it in interpreter and it comes up with the same result, but I'm wondering if it's not broken by some example.
– abroekhof
Sep 20 '12 at 9:05
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