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What is the best way to implement nested dictionaries?
...ary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected KeyError. If you insist on getting this behavior, here's how to shoot yourself in the foot:
Implement __missing__ on a dict subclass to set and return a new instance.
This approach has been av...
How do I represent a time only value in .NET?
...there a way one can represent a time only value in .NET without the date? For example, indicating the opening time of a shop?
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Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
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There is even a possibility to set the ignore mode for every added submodule within the .gitmodules file.
Just today I encountered this problem and immediately wrote an article in my blog about it after finding a solution: How to ignore changes in git submodules
Th...
Check if Python Package is installed
...just do something like this:
Python 3.3+ use sys.modules and find_spec:
import importlib.util
import sys
# For illustrative purposes.
name = 'itertools'
if name in sys.modules:
print(f"{name!r} already in sys.modules")
elif (spec := importlib.util.find_spec(name)) is not None:
# If you cho...
How to enable CORS in AngularJs
I have created a demo using JavaScript for Flickr photo search API.
Now I am converting it to the AngularJs.
I have searched on internet and found below configuration.
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JavaScript DOM remove element
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Thanks figured it out right before I read your post. Had to change it to whereto.removeChild(whereto.childNodes[0]);
– Joshua Redfield
Jan 12 '12 at 6:18
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How can I limit a “Run Script” build phase to my release configuration?
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I just discovered it does not work with multi-worded configuration names. It works with "Release" but does not with "Internal Beta".
– Hedin
Mar 3 '11 at 18:15
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Can't access object property, even though it shows up in a console log
... console.log'd the object.
Instead, try console.log(Object.keys(config)), or even console.log(JSON.stringify(config)) and you will see the keys, or the state of the object at the time you called console.log.
You will (usually) find the keys are being added after your console.log call.
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Content Security Policy “data” not working for base64 Images in Chrome 28
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According to the grammar in the CSP spec, you need to specify schemes as scheme:, not just scheme. So, you need to change the image source directive to:
img-src 'self' data:;
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How to use Git and Dropbox together effectively?
... I use it all the time. I have multiple computers (two at home and one at work) on which I use Dropbox as a central bare repository. Since I don’t want to host it on a public service, and I don’t have access to a server that I can always SSH to, Dropbox takes care of this by syncing in the backg...