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Delete an element from a dictionary
...ay misunderstand that dict(d) can give them a copy with 'd'. But it's an incomplete copy. When only doing del keys operations, that's OK. But when you want to do something else to a nested dict, modifying 'r' using that copy method may cause change to the original 'd'. To get an authentic copy, you ...
How to make rpm auto install dependencies
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No, this will not work unless libtest1-1.0-1.x86_64.rpm is in a repository elsewhere, or both packages are specified on the command line like "rpm -i" would require. I just verified this on yum 3.4.3 (Fedora 18). Transcript here showing that it goes to the updates repo for...
Difference between staticmethod and classmethod
... code will help: Notice the difference in the call signatures of foo, class_foo and static_foo:
class A(object):
def foo(self, x):
print "executing foo(%s, %s)" % (self, x)
@classmethod
def class_foo(cls, x):
print "executing class_foo(%s, %s)" % (cls, x)
@staticme...
How do I check if a string is a number (float)?
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It's not provided 'out of the box' because if is_number(s): x = float(x) else: // fail is the same number of lines of code as the try: x = float(x) catch TypeError: # fail. This utility function is an entirely unecessary abstraction.
– ovangle
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How do I join two lines in vi?
...ou join lines as is -- without adding or removing whitespaces:
S<Switch_ID>_F<File type>
_ID<ID number>_T<date+time>_O<Original File name>.DAT
Result:
S<Switch_ID>_F<File type>_ID<ID number>_T<date+time>_O<Original File name>.DAT
With...
Xcode without Storyboard and ARC
... storyboards or not.
I wrote a script that does all that work for you: https://github.com/jfahrenkrug/Xcode4templates
After running the script, you will have an "Xcode 4" section in the "New Project" screen:
And then - Alas! - you get your beloved choices back:
You will need a copy of t...
Naming convention for Scala constants?
...t .... Method, Value and variable names should be in lower camel case
http://docs.scala-lang.org/style/naming-conventions.html#constants-values-variable-and-methods
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How to JSON serialize sets?
I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection.
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Import regular CSS file in SCSS file?
Is there anyway to import a regular CSS file with Sass's @import command? While I'm not using all of the SCSS syntax from sass, I do still enjoy it's combining/compressing features, and would like to be able to use it without renaming all of my files to *.scss
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eclipse won't start - no java virtual machine was found
...add -vm before the -vmargs section.
Pass in the vm flag from command line. http://wiki.eclipse.org/FAQ_How_do_I_run_Eclipse%3F#Find_the_JVM
Note : Eclipse DOES NOT consult the JAVA_HOME environment variable.
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