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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...riation using strip can be quite inefficient.
– Marc-André Lafortune
May 2 '13 at 13:26
10
anoth...
vim repeat find next character 'x'
...s a word (or more words) containing 'x' in between the word I want to edit and the beginning cursor position.
2 Answers
...
Automatically add newline at end of curl response body
...ly annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters.
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How to check a string for specific characters?
...ic than the above...
s.find('$')==-1 # not found
s.find('$')!=-1 # found
And so on for other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('F...
Get element at specified position - JavaScript
...lly I'm looking to write a function that takes two input parameters (the x and y coordinates) and returns the html element at the position on the screen represented by the parameters.
...
Why is this program valid? I was trying to create a syntax error
... (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this:
6 Answers
...
Pandas - How to flatten a hierarchical index in columns
... answered Jan 24 '13 at 18:37
Andy HaydenAndy Hayden
262k7373 gold badges527527 silver badges485485 bronze badges
...
How to write inline if statement for print?
...n Python 2.5)
expression_if_true if condition else expression_if_false
And note, that both print a and b = a are statements. Only the a part is an expression. So if you write
print a if b else 0
it means
print (a if b else 0)
and similarly when you write
x = a if b else 0
it means
x = ...
Heroku Postgres - terminate hung query (idle in transaction)
I'm using Heroku with the Crane Postgres option and I was running a query on the database from my local machine when my local machine crashed. If I run
...
Parsing IPv6 extension headers containing unknown extensions
I'm writing a very simple net filter, and getting to where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
...