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How to initialize a dict with keys from a list and empty value in Python?
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dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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Checking if form has been submitted - PHP
What is the best way of checking whether or not a form has been submitted to determine whether I should pass the form's variables to my validation class?
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How to Add a Dotted Underline Beneath HTML Text
...mpossible without CSS. In fact, the <u> tag is simply adding text-decoration:underline to the text with the browser's built-in CSS.
Here's what you can do:
<html>
<head>
<!-- Other head stuff here, like title or meta -->
<style type="text/css">
u {
border-bot...
How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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Reading string from input with space character? [duplicate]
...o not need it, and this newline in the buffer does not create any problem for next inputs that you might take.
Read here about the scanset and the assignment suppression operators.
Note you can also use gets but ....
Never use gets(). Because it is impossible to tell without knowing the data ...
Transport endpoint is not connected
FUSE is constantly (every 2 - 3 days) giving me this Transport endpoint is not connected error on my mount point and the only thing that seems to fix it is rebooting.
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django change default runserver port
I would like to make the default port that manage.py runserver listens on specifiable in an extraneous config.ini . Is there an easier fix than parsing sys.argv inside manage.py and inserting the configured port?
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Number of processors/cores in command line
I am running the following command to get the number of processors/cores in Linux:
10 Answers
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Remove Item from ArrayList
...st , and it has 8 items A-H and now I want to delete 1,3,5 position Item stored in int array from the list how can I do this.
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Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
I am trying to use Bootstrap to make an interface for a program. I added jQuery 1.11.0 to the <head> tag and thought that was that, but when I launch the web page in a browser jQuery reports an error:
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