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pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
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There is a new package in the pip repo called pydot2 that functions correctly with pyparsing2. I couldn't downgrade my packages because matplotlib depends on the newer pyparsing package.
Note: python2.7 from macports
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What are the disadvantages to declaring Scala case classes?
...t the good bits:
Everything immutable by default
Yes, and can even be overridden (using var) if you need it
Getters automatically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equal...
How to stop C++ console application from exiting immediately?
...ing tests during development.
At the end of your main function, you can call std::getchar();
This will get a single character from stdin, thus giving you the "press any key to continue" sort of behavior (if you actually want a "press any key" message, you'll have to print one yourself).
You nee...
How to merge a transparent png image with another image using PIL
...est3.png")
EDIT: Both images need to be of the type RGBA. So you need to call convert('RGBA') if they are paletted, etc.. If the background does not have an alpha channel, then you can use the regular paste method (which should be faster).
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Fully backup a git repo?
...e.git
git bundle create reponame.bundle --all
After that you have a file called reponame.bundle that can be easily copied around. You can then create a new normal git repository from that using git clone reponame.bundle reponame.
Note that git bundle only copies commits that lead to some referenc...
Using getResources() in non-activity class
...r.loginbutton_unclickable));
mButton.setEnabled(false);
}
}
and the call can be like this:
WigetControl control = new WigetControl(getResources());
control.setButtonDisable(btNext);
share
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How to print from GitHub
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Nice! The option in Chrome is now called More settings -- Selection only. It supports the formatting and doesn't require additional software or downloading the markdown file.
– Jerry101
Nov 4 '17 at 4:23
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Shell equality operators (=, ==, -eq)
... ]; echo "$?" # wrong
-bash: [: foo: integer expression expected
2
(Side note: Quote those variable expansions! Do not leave out the double quotes above.)
If you're writing a #!/bin/bash script then I recommend using [[ instead. The doubled form has more features, more natural syntax, and few...
Why can't I use Docker CMD multiple times to run multiple services?
...XPOSE, but contrary to e.g. RUN and ADD. By this, I mean that you can override it later, in an extending Dockerfile, or simple in your run command, which is what you are experiencing. At all times, there can be only one CMD.
If you want to run multiple services, I indeed would use supervisor. You c...
How to count string occurrence in string?
...as argument to match, as the use case describe. Sure, you can create dynamically the regexp using RegExp constructor and passing the string you're looking for, but in that case you have to escape all the metacharacters. In that scenario, a pure string approach is preferable.
– ...