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How to find where a method is defined at runtime?
...port-2.3.8/lib/active_support/core_ext/numeric/time.rb"
m.__line__
# => 64
For Ruby 1.9 and beyond, there is source_location (thanks Jonathan!):
require 'active_support/all'
m = 2.days.method(:ago)
# => #<Method: Fixnum(Numeric)#ago> # comes from the Numeric module
m.source_locati...
Effects of changing Django's SECRET_KEY
...dom_secret_key; print(get_random_secret_key())"
s!)5@5s79sp=92a+!f4v!1g0d0+64ln3d$xm1f_7=749ht&-zi
$ ./manage.py shell -c "from django.core.management.utils import get_random_secret_key; print(get_random_secret_key())"
_)+%kymd=f^8o_fea1*yro7atz3w+5(t2/lm2cz70*e$2mn\g3
$
...
Rename Pandas DataFrame Index
...0
B 1 25
2 35
Name: val, dtype: int64
In [28]: x.index = x.index.set_names('foo', level=1)
In [29]: x
Out[29]:
year foo prod
1 A 1 10
2 20
B 1 15
2 25
2 A 1 20
2 30...
HTTP Error 500.19 and error code : 0x80070021
...
CD C:\Windows\Microsoft.NET\Framework\v4.0.30319
or, if you're using a 64 bit computer, use:
CD C:\Windows\Microsoft.NET\Framework64\v4.0.30319
when you've successfully navigated to the appropriate directory, execute the ASP.NET IIS registration tool using:
aspnet_regiis -i
If you're using...
Executing JavaScript without a browser?
...hout needing to have access to a Mac. On many platforms (e.g., x86 and x86_64), this interpreter will come with a JIT compiler.
So, with almost no compilation you will have three of the heavy-weight JavaScript engines at your disposal.
Addendum
Once you have things installed, you can simply crea...
Calculate size of Object in Java [duplicate]
...
Louis WassermanLouis Wasserman
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...
Is there a way to filter network requests using Google Chrome developer tools?
...
Using Chrome version "51.0.2704.79 (64-bit)" on Linux. Looks like the negative filtering has been removed? Anyone else seeing that?
– Wilson F
Jun 14 '16 at 23:35
...
CustomErrors mode=“Off”
...32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Microsoft.NET\Framework64\[version]\config\machine.config
Hope that helps someone out there and saves a few hours of hair-pulling.
...
Rotate axis text in python matplotlib
...line 23, in <module> plt.setp(time, rotation=90) File "/usr/lib64/python2.7/site-packages/matplotlib/pyplot.py", line 183, in setp ret = _setp(*args, **kwargs) File "/usr/lib64/python2.7/site-packages/matplotlib/artist.py", line 1199, in setp func = getattr(o, funcName) Attribu...
Root user/sudo equivalent in Cygwin?
...he Cygwin CLI, or add it to ~/.bashrc:
$ PATH=$HOME/bin:$PATH
Tested on 64-bit Windows 8.
You could also instead of above steps add an alias for this command to ~/.bashrc:
# alias to simulate sudo
alias sudo='cygstart --action=runas'
...