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Lambda Expression and generic method

... Using method reference, i found other way to pass the argument: List<String> list = Arrays.asList("a", "b", "c"); sort(list, Comparable::<String>compareTo); share | improve t...
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What is the best django model field to use to represent a US dollar amount?

... I think this example is correct almost to all currencies. To represent currencies as Bitcoin, I think is much better to use an integer field to save the amount in satoshis, and then show it to the final user in the representation that you want (BTC, mBTC, etc) ...
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How do I get a YouTube video thumbnail from the YouTube API?

...5 (5) { ["default"]=> object(stdClass)#6 (3) { ["url"]=> string(46) "https://i.ytimg.com/vi/T0Jqdjbed40/default.jpg" ["width"]=> int(120) ["height"]=> int(90) } ["medium"]=> object(stdClass)#7 (3) { ["url"]=> string(48) "https://i.ytimg.com...
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus

...eed to allow HTML - best choice using System.Web.Mvc; [AllowHtml] public string SomeProperty { get; set; } On the controller action add this attribute to allow all HTML [ValidateInput(false)] public ActionResult SomeAction(MyViewModel myViewModel) Brute force in web.config - definitely not r...
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How to get a list of column names on Sqlite3 database?

... PRAGMA table_info(table_name); will get you a list of all the column names. share | improve this answer | follow | ...
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What is the meaning of “this” in Java?

... System.out.println(this); // refers to this entire object } public String toString() { return "MyThisTest a=" + a; // refers to the field a } } Then calling frobnicate() on new MyThisTest() will print 1 42 MyThisTest a=42 So effectively you use it for multiple things: clarify ...
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What's the difference between REST & RESTful

...a dissertation by Roy Fielding, REST is an "architectural style" that basically exploits the existing technology and protocols of the Web. RESTful is typically used to refer to web services implementing such an architecture. ...
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How to change a nullable column to not nullable in a Rails migration?

...lse, <put a default value here> ) # change_column(:users, :admin, :string, :default => "") end Changing a column with NULL values in it to not allow NULL will cause problems. This is exactly the type of code that will work fine in your development setup and then crash when you try to d...
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Logging framework incompatibility

...ject[] p5): SLF4J 1.5.11: LocationAwareLogger.log ( org.slf4j.Marker p1, String p2, int p3, String p4, Throwable p5 ) SLF4J 1.6.0: LocationAwareLogger.log ( org.slf4j.Marker p1, String p2, int p3, String p4, Object[] p5, Throwable p6 ) See c...
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How to get the IP address of the server on which my C# application is running on?

...only thing I would change would be to change this: if (ip.AddressFamily.ToString() == "InterNetwork") to this: if (ip.AddressFamily == AddressFamily.InterNetwork) There is no need to ToString an enumeration for comparison. ...