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Permission denied on accessing host directory in Docker
...ion inside the container. The important script for this is fix-perms in my base image scripts, which can be found at: https://github.com/sudo-bmitch/docker-base
The important bit from the fix-perms script is:
# update the uid
if [ -n "$opt_u" ]; then
OLD_UID=$(getent passwd "${opt_u}" | cut -f3 ...
Is it possible to set private property via reflection?
...gs.Public | BindingFlags.NonPublic | BindingFlags.Instance);
t = t.BaseType;
}
if (fi == null) throw new ArgumentOutOfRangeException("propName", string.Format("Field {0} was not found in Type {1}", propName, obj.GetType().FullName));
return (T)fi.GetValue(obj);
}
/// <summary...
String concatenation in Ruby
...; but that is not the usual way
With string interpolation
source = "#{ROOT_DIR}/#{project}/App.config"
with +
source = "#{ROOT_DIR}/" + project + "/App.config"
The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will...
TemplateDoesNotExist - Django Error
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
...
Overloading Macro on Number of Arguments
...
Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar...
Difference between fold and reduce?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Exception messages in English?
... The Framework exception code loads the error messages from its resources, based on the current thread locale. In the case of some exceptions, this happens at the time the Message property is accessed.
For those exceptions, you can obtain the full US English version of the message by briefly switch...
Elegant ways to support equivalence (“equality”) in Python classes
... and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
...
What is the difference between __init__ and __call__?
I want to know the difference between __init__ and __call__ methods.
13 Answers
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