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Process all arguments except the first one (in a bash script)
...ing syntax:
echo "${*:2}"
would work as well, but is not recommended, because as @Gordon already explained, that using *, it runs all of the arguments together as a single argument with spaces, while @ preserves the breaks between them (even if some of the arguments themselves contain spaces). It...
String.IsNullOrWhiteSpace in LINQ Expression
...
A word of caution: It's of paramount importance to employ 'string.Empty' over "" (aka the empty string). The former works the latter doesn't (at least as far as Oracle's EF driver is concerned). Aka if you use: b.Diameter.Trim() == "" ...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
...created, then whether it was found or was created, have it returned in the callback.
4 Answers
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How to Test a Concern in Rails
Given that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?
...
Swift equivalent for MIN and MAX macros
...ion:
func max<T>(_ x: T, _ y: T) -> T where T : Comparable
You can use it like this with Ints:
let maxInt = max(5, 12) // returns 12
Also note that there are other functions called max(_:_:_:_:) and min(_:_:_:_:) that allows you to compare even more parameters. max(_:_:_:_:) has the...
Can you get DB username, pw, database name in Rails?
...
From within rails you can create a configuration object and obtain the necessary information from it:
config = Rails.configuration.database_configuration
host = config[Rails.env]["host"]
database = config[Rails.env]["database"]
username = c...
What is a “first chance exception”?
...xception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
...
How do you push a Git tag to a branch using a refspec?
...
It is probably failing because 1.0.0 is an annotated tag. Perhaps you saw the following error message:
error: Trying to write non-commit object to branch refs/heads/master
Annotated tags have their own distinct type of object that points to th...
How can I get the sha1 hash of a string in node.js?
...
Obligatory: SHA1 is broken, you can compute SHA1 collisions for 45,000 USD. You should use sha256:
var getSHA256ofJSON = function(input){
return crypto.createHash('sha256').update(JSON.stringify(input)).digest('hex')
}
To answer your question and ma...
Disabling Strict Standards in PHP 5.4
...; ~E_NOTICE & ~E_STRICT
If you don't have access to the php.ini, you can potentially put this in your .htaccess file:
php_value error_reporting 30711
This is the E_ALL value (32767) and the removing the E_STRICT (2048) and E_NOTICE (8) values.
If you don't have access to the .htaccess file...