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List all the modules that are part of a python package?
...rt pkgutil
# this is the package we are inspecting -- for example 'email' from stdlib
import email
package = email
for importer, modname, ispkg in pkgutil.iter_modules(package.__path__):
print "Found submodule %s (is a package: %s)" % (modname, ispkg)
How to import them too? You can just use...
Which @NotNull Java annotation should I use?
...we can do is to find a pragmatic solution and mine is as follows:
Syntax
From a purely stylistic standpoint I would like to avoid any reference to IDE, framework or any toolkit except Java itself.
This rules out:
android.support.annotation
edu.umd.cs.findbugs.annotations
org.eclipse.jdt.annotat...
Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
...
After you install redis, type from terminal:
redis-server
and you'll have redis running
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How can I dynamically create derived classes from a base class
...bles" -
So, you could just add your classes to a dictionary and use them from there:
name = "SpecialClass"
classes = {}
classes[name] = ClassFactory(name, params)
instance = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictiona...
How to implement WiX installer upgrade?
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In the newest versions (from the 3.5.1315.0 beta), you can use the MajorUpgrade element instead of using your own.
For example, we use this code to do automatic upgrades. It prevents downgrades, giving a localised error message, and also prevents u...
Getting key with maximum value in dictionary?
...tems()))[0][0]
def f3b():
# same as f3 but remove the call to max from the lambda
m=max(d1.values())
return list(filter(lambda t: t[1]==m, d1.items()))[0][0]
def f4():
return [k for k,v in d1.items() if v==max(d1.values())][0]
def f4b():
# same as f4 but remove...
C++ display stack trace on exception
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the post you link to mostly points to generating a trace from a segfault, but the asker specifically mentions exceptions, which are quite a different beast.
– Shep
Mar 13 '14 at 14:29
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Does Java casting introduce overhead? Why?
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There are 2 types of casting:
Implicit casting, when you cast from a type to a wider type, which is done automatically and there is no overhead:
String s = "Cast";
Object o = s; // implicit casting
Explicit casting, when you go from a wider type to a more narrow one. For this case, y...
How do I check what version of Python is running my script?
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From the command line (note the capital 'V'):
python -V
This is documented in 'man python'.
From IPython console
!python -V
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How do I get Pyflakes to ignore a statement?
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If there only was a way to get this from some repo for EL6 :) - I guess I'll have to wrap this in a rpm myself.
– Kimvais
May 9 '12 at 4:54
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