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Python list subtraction operation
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Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - infix syntax, you can just do:
class MyList(list):
def __init__(self, *args):
super(MyList, self).__init__(args)
def __sub__(self, other):
re...
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
Every time I develop a new form that includes a textarea I have the following dilemma when I need to specify its dimensions:
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What's the difference between ASCII and Unicode?
...e numbers 0–127 have the same meaning in ASCII as they have in Unicode. For example, the number 65 means "Latin capital 'A'".
Because Unicode characters don't generally fit into one 8-bit byte, there are numerous ways of storing Unicode characters in byte sequences, such as UTF-32 and UTF-8.
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Sticky and NON-Sticky sessions
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When your website is served by only one web server, for each client-server pair, a session object is created and remains in the memory of the web server. All the requests from the client go to this web server and update this session object. If some data needs to be stored in th...
Easiest way to pass an AngularJS scope variable from directive to controller?
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Edited on 2014/8/25:
Here was where I forked it.
Thanks @anvarik.
Here is the JSFiddle. I forgot where I forked this. But this is a good example showing you the difference between = and @
<div ng-controller="MyCtrl">
<h2>Parent Scope</h2>...
When to use IList and when to use List
...on't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?
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How can I do DNS lookups in Python, including referring to /etc/hosts?
dnspython will do my DNS lookups very nicely, but it entirely ignores the contents of /etc/hosts .
6 Answers
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Are there any naming convention guidelines for REST APIs? [closed]
When creating REST APIs, are there any guidelines or defacto standards for naming conventions within the API (eg: URL endpoint path components, querystring parameters)? Are camel caps the norm, or underscores? others?
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In what order do static/instance initializer blocks in Java run?
...ns several classes, each of which has a static initializer block. In what order do those blocks run? I know that within a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with that. I used this co...
MySQL: multiple tables or one table with many columns?
So this is more of a design question.
8 Answers
8
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