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How to remove unused imports in Intellij IDEA on commit?
...When you commit, tick the Optimize imports option on the right. This will become the default until you change it.
I prefer using the Reformat code option as well.
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Why can't Python's raw string literals end with a single backslash?
Technically, any odd number of backslashes, as described in the documentation .
12 Answers
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Add missing dates to pandas dataframe
...s on a given date or NO events on a date. I take these events, get a count by date and plot them. However, when I plot them, my two series don't always match.
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How to move an iFrame in the DOM without losing its state?
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It isn't possible to move an iframe from one place in the dom to another without it reloading.
Here is an example to show that even using native JavaScript the iFrames still reload:
http://jsfiddle.net/pZ23B/
var wrap1 = document.getEle...
How do I write good/correct package __init__.py files
...owerful reasons to use import * in an __init__.py to import packages is to be able to refactor a script that has grown into multiple scripts without breaking an existing application. But if you're designing a package from the start. I think it's best to leave __init__.py files empty.
for example:
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What does inverse_of do? What SQL does it generate?
... through a relationship.
Their example:
class Dungeon < ActiveRecord::Base
has_many :traps, :inverse_of => :dungeon
has_one :evil_wizard, :inverse_of => :dungeon
end
class Trap < ActiveRecord::Base
belongs_to :dungeon, :inverse_of => :traps
end
class EvilWizard < ActiveRe...
How to decode HTML entities using jQuery?
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Security note: using this answer (preserved in its original form below) may introduce an XSS vulnerability into your application. You should not use this answer. Read lucascaro's answer for an explanation of the vulnerabilities in this answer, and use the approach from either that answer o...
Printing 1 to 1000 without loop or conditionals
Task : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
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How do I view the SQL generated by the Entity Framework?
How do I view the SQL generated by entity framework ?
22 Answers
22
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How to do math in a Django template?
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You can use the add filter:
{{ object.article.rating_score|add:"-100" }}
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