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Regex Match all characters between two strings
...s on your regex engine.
The next thing is if you use .* or .*?. The first one is greedy and will match till the last "sentence" in your string, the second one is lazy and will match till the next "sentence" in your string.
Update
Regexr
This is(?s)(.*)sentence
Where the (?s) turns on the dotal...
vs vs for inline and block code snippets
... foresaw the need for a <code> tag, but decided we'd only ever write one-line? Or I guess, because they didn't want to have two tags, one block and one inline? Still... what's wrong with making <code> block-level with CSS? I thought we were supposed to write "semantic" HTML. <code>...
What exactly is OAuth (Open Authorization)?
...In. Adding all of your many, many friends manually is tiresome and error-prone. You might get fed up half-way or insert typos in their e-mail address for invitation. So you might be tempted not to create an account after all.
Facing this situation, LinkedIn has the Good Idea(TM) to write a program ...
Parsing boolean values with argparse
...;bool>
and still use a default value (specific to the user settings). One (indirectly related) downside with that approach is that the 'nargs' might catch a positional argument -- see this related question and this argparse bug report.
...
How can I add an item to a IEnumerable collection?
...specified type), which, when enumerated, will provide all items of the old one, plus some of your own. You use Enumerable.Concat for that:
items = items.Concat(new[] { "foo" });
This will not change the array object (you cannot insert items into to arrays, anyway). But it will create a new objec...
How to count certain elements in array?
... use a function as the body of the loop anyway if you need to capture or clone your iteration index or value. For-loops are more efficient generally, but sometimes you need a closure.)
The most readable way:
[....].filter(x => x==2).length
(We could have written .filter(function(x){return x==...
How do I prevent site scraping? [closed]
...ownload pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex based ones, these work by extracting data from pages based on patterns in HTML, usually ignoring everything else.
For example: If your website has a sea...
How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
...s are objects, but not all objects are arrays. The primary difference (and one that's pretty hard to mimic with straight JavaScript and plain objects) is that array instances maintain the length property so that it reflects one plus the numeric value of the property whose name is numeric and whose v...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...
in RSpec
as Jeffrey W. mentioned, in his answer above -> to set this to all controllers:
RSpec.configure do |config|
# ...
config.include Devise::TestHelpers, type: :controller
# ...
end
however, if this is relevant to just one spec, you don...
hexadecimal string to byte array in python
...
If anyone is looking for hex string -> bytes object, it's ` bytes.fromhex("000102030405060708090A0B0C0D0E0F")` which yields b'\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'. Not posting as an answer since question a...