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What's the opposite of chr() in Ruby?
...
Now that Ruby 1.9 has changed the meaning of 'A'[0], this is the more portable method.
– AShelly
Nov 22 '08 at 1:11
...
Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
...
what is the difference between OLE DB and ODBC data sources?
...r products, but for the most part OLEDB remains a Microsoft-only standard. Now, most Microsoft data sources allow both ODBC and OLEDB access, mainly for compatibility with legacy ODBC data consumers. Also, there exists OLEDB provider (wrapper) for ODBC which allows one to use OLEDB to access ODBC da...
Determine if a sequence contains all elements of another sequence using Linq [duplicate]
...nimum iteration even for methods with lambda expressions, such as OrderBy. Now, what you do inside those lambda expressions could be highly inefficient, but that is on you :-) I like the readability of yours too; I am considering adding your extension method with the Except implementation to get the...
What's “P=NP?”, and why is it such a famous question? [closed]
...ix multiplication, the basic operation is multiplication of two numbers.
Now the question is, what does deterministic vs. non-deterministic mean? There is an abstract computational model, an imaginary computer called a Turing machine (TM). This machine has a finite number of states, and an infin...
What is a plain English explanation of “Big O” notation?
... then initials or first name, possibly address and then telephone numbers.
Now if you were instructing a computer to look up the phone number for "John Smith" in a telephone book that contains 1,000,000 names, what would you do? Ignoring the fact that you could guess how far in the S's started (let...
How to avoid long nesting of asynchronous functions in Node.js
...lback(null, 'three');
},
function(arg1, callback){
// arg1 now equals 'three'
callback(null, 'done');
}
], function (err, result) {
// result now equals 'done'
});
As for the req,res variables, they will be shared within the same scope as function(req,res){} whi...
How to merge YAML arrays?
... "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
- python -m unittest d...
Create, read, and erase cookies with jQuery [duplicate]
...ileNotFound" (or something close to that, I'm not at my dev computer right now). Thanks!
– jackerman09
Sep 27 '13 at 18:24
8
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Difference between initLoader and restartLoader in LoaderManager
...new loader completes its work) and then creates a new one.
Thus said it's now clear when to use initLoader and when to use restartLoader and why it makes sense to have the two methods.
initLoader is used to ensure there's an initialized loader. If none exists a new one is created, if one already ex...