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Removing pip's cache?
I need to install psycopg2 v2.4.1 specifically. I accidentally did:
17 Answers
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List comprehension rebinds names even after scope of comprehension. Is this right?
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172
List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gui...
How do I pause my shell script for a second before continuing?
I have only found how to wait for user input. However, I only want to pause so that my while true doesn't crash my computer.
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How do I run only specific tests in Rspec?
...superbly documented here. See the --tag option section for details.
As of v2.6 this kind of tag can be expressed even more simply by including the configuration option treat_symbols_as_metadata_keys_with_true_values, which allows you to do:
describe "Awesome feature", :awesome do
where :awesome i...
Python - Create list with numbers between 2 values?
... answered Aug 16 '13 at 4:47
v2bv2b
1,25877 silver badges1414 bronze badges
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Ruby convert Object to Hash
...official documentation (like the ruby CHANGELOG, github.com/ruby/ruby/blob/v2_1_0/NEWS) uses # for instance methods and the dot for class methods pretty consistently.
– levinalex
Apr 14 '15 at 16:25
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File tree view in Notepad++
...comments some people like SherloXplorer. Pls, note that this requires .Net v2 )
step-2) Again on Notepad++ Toolbar:
Explorer->Explorer
Now you can view files with tree view.
Update:
After adding Explorer, right click to edit a file in Notepad++ may stop working. To make it work again, restar...
Making button go full-width?
...otstrap v3 & v4
Use btn-block class on your button/element
Bootstrap v2
Use input-block-level class on your button/element
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Regular expression to match URLs in Java
...No problem. If you're using Eclipse I like using the RegEx Tester plugin available here brosinski.com/regex
– TomC
Oct 2 '08 at 17:21
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Call int() function on every list element?
...y bad at this, but map is a bit faster than comprehension.
Python 2.7.13 (v2.7.13:a06454b1afa1, Dec 17 2016, 20:42:59) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> import timeit
>>> setup = """import random
random.seed(1...