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Python: try statement in a single line
...to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in first, you do have options.
The best option is an if statement.
c = None
b = [1, 2]
if c is None:
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Remove sensitive files and their commits from Git history
...yet; if it is remote and not secured from others you have a problem. If anyone has cloned that repository before you fix this, they'll have a copy of your passwords on their local machine, and there's no way you can force them to update to your "fixed" version with it gone from history. The only saf...
Importing from builtin library when module with same name exists
... always using the developing version and not the published (and installed) one. In windows 10 i had to write the path to my module like this: file_path=r"C:\Users\My User\My Path\Module File.py". Then i called module_name just like the released module so that i had full working script that, stripp...
Do I need to create indexes on foreign keys on Oracle?
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The foreign key constraint alone does not provide the index on Oracle - one must (and should) be created.
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Matplotlib plots: removing axis, legends and white spaces
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I think that the command axis('off') takes care of one of the problems more succinctly than changing each axis and the border separately. It still leaves the white space around the border however. Adding bbox_inches='tight' to the savefig command almost gets you there, you ca...
Plain Old CLR Object vs Data Transfer Object
...s the difference: POCO describes an approach to programming (good old fashioned object oriented programming), where DTO is a pattern that is used to "transfer data" using objects.
While you can treat POCOs like DTOs, you run the risk of creating an anemic domain model if you do so. Additionally, t...
What are the best PHP input sanitizing functions?
... But there are so many filtering functions out there I am not sure which ones I should use/need.
13 Answers
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Repeating characters in VIM insert mode
...t,
- the character you want to insert,
Esc to leave INSERT mode.
Another one without EVER leaving INSERT mode:
Ctrl+o :norm 8ia Return
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Use grep to report back only line numbers
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@jondim it only shows the filename if there is more than one file being searched; you need to add -H to force it to show the filename when there is only one file. Conversely, you can always use -h to tell it not to output the filename no matter how many files you're grepping.
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How to semantically add heading to a list
...ghest level of heading on the page. It does not say that there can only be one heading at that highest level. Incidentally, browser makers have made it clear they have no intention of implementing the outline algorithm, so there is little hope of the situation improving quickly.
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