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Generate array of all letters and digits
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for letters or numbers you can form ranges and iterate over them. try this to get a general idea:
("a".."z").each { |letter| p letter }
to get an array out of it, just try the following:
("a".."z").to_a
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
.... indexing with multi-conditions, here it's finding data in a certain date range). The (a-b).any() or (a-b).all() seem not working, at least for me.
Alternatively I found another solution which works perfectly for my desired functionality (The truth value of an array with more than one element is ...
Heroku/GoDaddy: send naked domain to www [closed]
...ecord must be pointed to 64.202.189.170 or must fall between the following ranges: 50.63.202.1 - 50.63.202.31 or 184.168.221.1 - 184.168.221.31.
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How to show what a commit did?
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Log
To show commit log with differences introduced for each commit in a range:
git log -p <commit1> <commit2>
What is <commit>?
Each commit has a unique id we reference here as <commit>. The unique id is an SHA-1 hash – a checksum of the content you’re storing p...
What's an appropriate HTTP status code to return by a REST API service for a validation failure?
... errors, like
<status><code>4</code><message>Date range is invalid</message></status>
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What is the difference between char * const and const char *?
...rs its (future) use as an expression: *(*foo)[i] (with i an integer in the range [0, 10) i.e. [0, 9]) will first dereference foo to get at the array, then access the element at index i (because postfix [] binds tighter than prefix *), then dereference this element, finally yielding an int (see ideon...
How do I set/unset a cookie with jQuery?
... is not going to work in Safari or IE for any characters outside the ASCII range, such as é, 北, etc. Also, this is not going to work for some special characters that are not allowed in the cookie-name or cookie-value. I recommend the following reference: tools.ietf.org/html/rfc6265
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How to convert an integer to a string in any base?
...the explicit position (or name) is required.
– ShadowRanger
Apr 4 '17 at 20:09
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#1071 - Specified key was too long; max key length is 1000 bytes
...about MySQL. The numeric argument has no effect related to storage or the range of values allowed for the column. INT is always 4 bytes, and it always allows values from -2147483648 to 2147483647. The numeric argument is about padding values during display, which has no effect unless you use the ...
Skipping Iterations in Python
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Example for Continue:
number = 0
for number in range(10):
number = number + 1
if number == 5:
continue # continue here
print('Number is ' + str(number))
print('Out of loop')
Output:
Number is 1
Number is 2
Number is 3
Number is 4
Number is 6 # Note...