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How do I check if a list is empty?
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Playing devil's advocate. I don't understand why this idiom is considered pythonic. 'Explicit is better then implicit', correct? This check doesn't seem very explicit about what is is checking.
– James McMahon
Nov 22 '11 at 6:1...
Should __init__() call the parent class's __init__()?
...cessary, since the super method is empty. Same for __del__.
On the other hand, for __new__, you should indeed call the super method, and use its return as the newly-created object - unless you explicitly want to return something different.
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How do I check if a column is empty or null in MySQL?
...e_col = ' ' (one space inserted in the string) then it works on both MySQL and Oracle, see answer of "onedaywhen". some_col = '' doesn't work on Oracle as empty strings mean NULL there.
– Johanna
May 18 '15 at 14:07
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Rails - Nested includes on Active Records?
...ts that I fetch.
I'm trying to include every user associated to this event and every profile associated to each user. The Users get included but not their profiles.
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Using --no-rdoc and --no-ri with bundler
When using gem install gem_name I can pass --no-rdoc and --no-ri switches to skip generating RDoc/RI documentation for the gem on install.
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TypeError: sequence item 0: expected string, int found
... data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using:
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Logger slf4j advantages of formatting with {} instead of string concatenation
...ameters since API version 1.7.
For those cases where you need more than 2 and you're stuck with pre-1.7 SLF4J, then just use either string concatenation or new Object[] { param1, param2, param3, ... }. There should be few enough of them that the performance is not as important.
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How do you use https / SSL on localhost?
...SSL
Enabled = true” in the project properties window.
See the steps and pictures at this code project.
IIS Express will generate a certificate for you (you'll be prompted for it, etc.). Note that depending on configuration the site may still automatically start with the URL rather than the SS...
Get contentEditable caret index position
...umes:
There is always a single text node within the editable <div> and no other nodes
The editable div does not have the CSS white-space property set to pre
If you need a more general approach that will work content with nested elements, try this answer:
https://stackoverflow.com/a/481202...
Split string in Lua?
...imple split of a string, but there doesn't seem to be a function for this, and the manual way I tested didn't seem to work. How would I do it?
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