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class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
What is the best comment in source code you have ever encountered? [closed]
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//Dear Programmer // //Your code now runs slower now that I fixed all the bugs you //introduced. //But your optimizations sure helped.
– DevinB
Mar 6 '09 at 15:09
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Adding gif image in an ImageView in android
...animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
18 Answers...
Type hinting a collection of a specified type
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Now that Python 3.5 is officially out, there is the Type Hints supporting module - typing and the relevant List "type" for the generic containers.
In other words, now you can do:
from typing import List
def my_func(l: List...
How is “int* ptr = int()” value initialization not illegal?
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@NeilG: This stays the same in C++11, though there is now also a nullptr, which you can use instead of 0 or NULL in new code.
– Jerry Coffin
Nov 9 '11 at 23:02
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...hentication
client hits server with authentication token
server accepts.
Now, if you ever try to enable MTOM streaming on an WCF endpoint on the server, it will not complain. But, when you configure it on the client proxy (as you should, they must match bindings) it will explode in a fiery death. ...
How to duplicate virtualenv
...ext editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say Django==1.3 (or whatever version you want to install in your new virtualenv).
Lastly, activate your new virtualenv, and run:
pip install -r requirements.txt
And pip will aut...
How to create a video from images with FFmpeg?
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As far as I know –r parameter is variable frame rate this means that FFMPEG might drop or duplicate frames to achieve desired output frame rate. Using fps filter “-vf fps=value” force FFMPEG to produce constant frame rate. See Creat...
How to determine if a number is a prime with regex?
...ce again the returning of the negation of the match result.
Do you see it now? It's unbelievably tricky (and computationally expensive!) but it's also kind of simple at the same time, once you get it. :-)
I can elaborate if you have further questions, like on how regex parsing actually works. But ...
SSL Error: CERT_UNTRUSTED while using npm command
... suggested me to install the above version, it was installed properly, but now npm is not working. I am giving you link to my previous question stackoverflow.com/questions/21850871/…
– Sudip7
Feb 19 '14 at 12:07
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