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How add context menu item to Windows Explorer for folders [closed]
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HKEY_CURRENT_USER\Software\Classes\*\shell if you are a normal user
In all cases:
add a new key under shell, naming it as you want to name the
context menu item
add a new key inside this key, named command (mandatory name)
edit the default property in command to
myprogrampath\path\path\executa...
How to determine whether an object has a given property in JavaScript
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Or even better — Object.prototype.hasOwnProperty.call(x, 'y'), so that property named "hasOwnProperty" would not conflict with inspection process ;)
– kangax
Dec 24 '09 at 14:03
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Standard deviation of a list
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The functions are actually called stdev and pstdev, not using std for standard as one would expect. I couldn't edit the post as edits need to modify at least 6 chars...
– mknaf
Jan 6 '17 at 16:00
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UnicodeDecodeError when reading CSV file in Pandas with Python
...= "ISO-8859-1"), or alternatively encoding = "utf-8" for reading, and generally utf-8 for to_csv.
You can also use one of several alias options like 'latin' instead of 'ISO-8859-1' (see python docs, also for numerous other encodings you may encounter).
See relevant Pandas documentation,
python doc...
Unique fields that allow nulls in Django
...ules.
You can force the admin interface to store NULL for an empty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None:
class FooForm(forms.ModelForm):
class Meta:
model = Foo
def clean_bar(self):
return s...
What does $@ mean in a shell script?
... And I said so two lines below: "The difference between the two ..." In order to get short sentences and raise readability the reader has to read more than one sentence before giving a verdict :-/
– Alfe
Apr 5 '12 at 15:41
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Run a single migration file
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You can just run the code directly out of the ruby file:
rails console
>> require "db/migrate/20090408054532_add_foos.rb"
>> AddFoos.up
Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which r...
Format a datetime into a string with milliseconds
...ct if the usec part is > 999500, then you will never get the time right by fiddling with microseconds part
– Chris
Nov 21 '17 at 1:11
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s...
Should I use past or present tense in git commit messages? [closed]
...xyzzy do frotz" or "[I] changed xyzzy
to do frotz", as if you are giving orders to the codebase to change
its behavior.
So you'll see a lot of Git commit messages written in that style. If you're working on a team or on open source software, it is helpful if everyone sticks to that style for c...
Compile, Build or Archive problems with Xcode 4 (and dependencies)
...th"
It seemed right but was still failing. I then tried rearranging the order of 2 & 3 and all of a sudden it built fine. So not sure why that was the hickup, but wanted to add it to the list of things to try in case it helps someone else.
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