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Utility classes are evil? [closed]

...d object-oriented design, most classes should represent a single thing and all of its attributes and operations. If you are operating on a thing, that method should probably be a member of that thing. However, there are times when you can use utility classes to group a number of methods together ...
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How to replace all occurrences of a string?

... Update: As of August 2020, you can use replaceAll as shown here: let result = "1 abc 2 abc 3".replaceAll("abc", "xyz"); // `result` is "1 xyz 2 xyz 3" For older browsers: Note: Don't use the following solution in performance critical code. As an alternative to regular ...
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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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How do you import classes in JSP?

... Should you put it all on one line or split it across multiple lines for readability? – Xonatron Jan 24 '12 at 20:07 6 ...
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Selecting a row in DataGridView programmatically

...ow can I select a particular range of rows in a DataGridView programmatically at runtime? 8 Answers ...
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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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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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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...
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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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Are soft deletes a good idea? [duplicate]

... I say it's a bad idea, generally (with some exceptions, perhaps). First, your database should be backed up regularly, so you should never be in a situation where you would lose data permanently because of a DELETE (unless it's a deletion of just-adde...