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Why does one use dependency injection?

...ime.Now; }} } public class OfferWeasel { private readonly IGotTheTime _time; public OfferWeasel(IGotTheTime time) { _time = time; } public Offer Create(Formdata formdata) { var offer = new Offer(); offer.LastUpdated = _time.Now; return offer...
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What is the best method of handling currency/money?

...igits # scale is the number of digits to the right of the decimal point add_column :items, :price, :decimal, :precision => 8, :scale => 2 In Rails, the :decimal type is returned as BigDecimal, which is great for price calculation. If you insist on using integers, you will have to manually c...
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Inline instantiation of a constant List

...n List<T>. private static readonly ReadOnlyCollection<string> _metrics = new ReadOnlyCollection<string>(new[] { SourceFile.LOC, SourceFile.MCCABE, SourceFile.NOM, SourceFile.NOA, SourceFile.FANOUT, ...
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Virtual member call in a constructor

...r object initializers...) public class MyClass { private IDependency _myDependency; public MyClass(IDependency someValue = null) { _myDependency = someValue ?? GetDependency(); } // If this were static, it could not be overridden // as static methods cannot be vir...
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Python Git Module experiences? [closed]

... replicate the above I would do this instead: import sh git = sh.git.bake(_cwd='/home/me/repodir') print git.status() # checkout and track a remote branch print git.checkout('-b', 'somebranch') # add a file print git.add('somefile') # commit print git.commit(m='my commit message') # now we are one ...
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Remove empty elements from an array in Javascript

..."", undefined, 2].filter(Boolean); // [1, 2] or using underscorejs.org: _.filter([1, false, "", undefined, 2], Boolean); // [1, 2] // or even: _.compact([1, false, "", undefined, 2]); // [1, 2] share | ...
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How do I turn off Oracle password expiration?

...racle first check which profile the user is using: select profile from DBA_USERS where username = '<username>'; Then you can change the limit to never expire using: alter profile <profile_name> limit password_life_time UNLIMITED; If you want to previously check the limit you may us...
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How to do a https request with bad certificate?

...Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true} _, err := http.Get("https://golang.org/") if err != nil { fmt.Println(err) } } You can disable security check for a client: package main import ( "fmt" "net/http" "crypto/tls" ) func main() { ...
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Export a graph to .eps file with R

... there is an error : graph margins too large... – the_drug Mar 1 '11 at 9:42 6 make the plot dime...
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Amazon S3 Change file download name

...version is AWS SDK for PHP 3.x. here is the doc http://docs.amazonaws.cn/en_us/aws-sdk-php/latest/api-s3-2006-03-01.html#putobject a piece of my code public function __construct($config) { $this->handle = new S3Client([ 'credentials' => array( 'ke...