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How to parse/format dates with LocalDateTime? (Java 8)

..."1986-04-08T12:30:00". The parse() and format() methods are available for all date/time related objects (e.g. LocalDate or ZonedDateTime) share | improve this answer | follo...
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Is there any connection string parser in C#?

... on) derive. The connection string builders let developers programmatically create syntactically correct connection strings, and parse and rebuild existing connection strings. The subclasses of interest are: System.Data.EntityClient.EntityConnectionStringBuilder System.Data.Odbc.OdbcCon...
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When & why to use delegates? [duplicate]

...n, any method that matches this signature, to the delegate and it will be called each time my delegate is called". Typical use is of course events. All the OnEventX delegate to the methods the user defines. Delegates are useful to offer to the user of your objects some ability to customize their b...
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Cannot ignore .idea/workspace.xml - keeps popping up

... I was facing the same issue, and it drove me up the wall. The issue ended up to be that the .idea folder was ALREADY commited into the repo previously, and so they were being tracked by git regardless of whether you ignored them or not. I would recommend the following, after cl...
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How many random elements before MD5 produces collisions?

...get a unique filename. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder. 8 A...
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In what cases will HTTP_REFERER be empty

...tched from a https URL to a different https URL. has security software installed (antivirus/firewall/etc) which strips the referrer from all requests. is behind a proxy which strips the referrer from all requests. visited the site programmatically (like, curl) without setting the referrer header (se...
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TypeScript “this” scoping issue when called in jquery callback

... trade-offs. Unfortunately there is no obvious best solution and it will really depend on the application. Automatic Class Binding As shown in your question: class DemonstrateScopingProblems { private status = "blah"; public run = () => { alert(this.status); } } Good/bad...
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What is the point of “final class” in Java?

... First of all, I recommend this article: Java: When to create a final class If they do, when do they use it so I can understand it better and know when to use it. A final class is simply a class that can't be extended. (It doe...
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?

...ctive function are, you can handle now infinite arguments, which is especially convenient for streams, and you can just leave arguments open. So if you again want to see what would the result be like if x := 1 and y := 1 , y := 2 , y := 3 , you can say h = g(1) and h(1) is the result for y := 1, h...
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How to make HTML input tag only accept numerical values?

...vaScript Update: There is a new and very simple solution for this: It allows you to use any kind of input filter on a text <input>, including various numeric filters. This will correctly handle Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations, non-typeable keys, an...