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How do you remove all the options of a select box and then add one option and select it with jQuery?

Using core jQuery, how do you remove all the options of a select box, then add one option and select it? 24 Answers ...
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html (+css): denoting a preferred place for a line break

... Works great - when it is important, that chars like "-" non break. Example: Perikles <span class="avoidwrap">(um 500-429 v.Chr.)</span> – Sarah Trees May 19 '15 at 17:37 ...
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Replace all non-alphanumeric characters in a string

I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
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Split column at delimiter in data frame [duplicate]

...OO=c('a|b','b|c','x|y')) foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE))) Or, if you want to replace the columns in the existing data.frame: within(df, FOO<-data.frame(do.call('rbind', strsplit(as.character(FOO), '|', fixed=TRUE)))) Which produces: ID ...
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Linq: adding conditions to the where clause conditionally

... && u.Age > 18 && u.Height > strHeightinFeet select u; if (useAge) query = query.Where(u => u.Age > age); if (useHeight) query = query.Where(u => u.Height > strHeightinFeet); // Build the results at the end var results = query.Select(u => new DTO...
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?

... This function cannot deal with supplementary characters as they cannot be represented in UCS-2. – Artefacto Nov 18 '11 at 10:45 3 ...
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How does the String class override the + operator?

...sion (§15.9): If T is boolean, then use new Boolean(x). If T is char, then use new Character(x). If T is byte, short, or int, then use new Integer(x). If T is long, then use new Long(x). If T is float, then use new Float(x). If T is double, then use new Double(x). This ref...
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How to paste over without overwriting register

Does anyone know of a way to paste over a visually selected area without having the selection placed in the default register? ...
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How to style the with only CSS?

How can I style <option> s of a <select> element with cross-browser compatibility? I know many JavaScript ways which customize the dropdown to convert into <li> , which I'm not asking about. ...
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Encrypt Password in Configuration Files? [closed]

...nt keyLength = 128; SecretKeySpec key = createSecretKey(password.toCharArray(), salt, iterationCount, keyLength); String originalPassword = "secret"; System.out.println("Original password: " + originalPassword); String encryptedPassword = encrypt(orig...