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I'm getting Key error in python
...t;
KeyError: 'c'
>>>
So, try to print the content of meta_entry and check whether path exists or not.
>>> mydict = {'a':'1','b':'2'}
>>> print mydict
{'a': '1', 'b': '2'}
Or, you can do:
>>> 'a' in mydict
True
>>> 'c' in mydict
False
...
receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
... My issue was caused by a proxy that I'm behind, "npm config set ca null" and 'npm config set ca ""' still gave me the same error, but removing SSL worked perfectly. Sometimes good practice isn't as important as what actually works.
– Cory Schulz
Aug 27 '14 at...
Converting a generic list to a CSV string
I have a list of integer values (List) and would like to generate a string of comma delimited values. That is all items in the list output to a single comma delimted list.
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jQuery - Trigger event when an element is removed from the DOM
...of Jquery UI script (not JQuery), so you have to load both scripts (jquery and jquery-ui) to make it work. Here is example: http://jsfiddle.net/72RTz/
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Add a UIView above all, even the navigation bar
...n].keyWindow;
[currentWindow addSubview:myView];
UPDATE -- For Swift 4.1 and above
let currentWindow: UIWindow? = UIApplication.shared.keyWindow
currentWindow?.addSubview(myView)
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How do I make many-to-many field optional in Django?
When you have a many-to-many relationship ( related_name , not through ) and you are trying to use the admin interface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry.
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How to ignore xargs commands if stdin input is empty?
Consider this command:
6 Answers
6
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Preview an image before it is uploaded
...lementation of this. Works like a charm. @kxc you should make an ajax call and send input.files[0] as data, see jQuery's doc.
– Sumi Straessle
Mar 13 '17 at 9:07
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No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
...import readline
def completer(text, state):
options = [i for i in commands if i.startswith(text)]
if state < len(options):
return options[state]
else:
return None
readline.parse_and_bind("tab: complete")
readline.set_completer(completer)
The official module docs ar...