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Bootstrap select dropdown list placeholder

I am trying to make a dropdown list that contains a placeholder. It doesn't seem to support placeholder="stuff" as other forms do. Is there a different way to obtain a placeholder in my dropdown? ...
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Where is the WPF Numeric UpDown control?

...t _numValue = 0; public int NumValue { get { return _numValue; } set { _numValue = value; txtNum.Text = value.ToString(); } } public NumberUpDown() { InitializeComponent(); txtNum.Text = _numValue.ToString(); } private void cmdUp_Click(object sender, Route...
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What does enumerable mean?

...s literally an attribute on all properties called "enumerable." When it is set to false the for..in method will skip that property, pretend it doesn't exist. There are a lot of properties on objects that have "enumerable" set to false, like "valueOf" and "hasOwnProperty," because it's presumed you ...
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How to change the background color of the options menu?

...arate item background, for example it will add borders to each item if you set such background (with borders)... – user25 May 3 '18 at 19:53 1 ...
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Swift to Objective-C header not created in Xcode 6

...a Product Module Name that does not include spaces. Defines Module must be set to Yes in Build Settings, under Packaging. Finally works. Thanks to everyone for the help :-) share | improve this an...
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How can I detect the touch event of an UIImageView?

... how can I do that programmatically? Also, could you let me know how can I set the button property to "custom" programmatically? – ebaccount May 13 '09 at 20:52 ...
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How do I get the current date and time in PHP?

...e would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to. I'm in Melbourne, Australia so I have something like this: date_default_timezone_set('Australia/Melbourne'); Or anot...
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Adding a newline into a string in C#

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How to generate serial version UID in Intellij

...t: (Idea v.2016, 2017 and 2018, previous versions may have same or similar settings) File -> Settings -> Editor -> Inspections -> Java -> Serialization issues -> Serializable class without 'serialVersionUID' - set flag and click 'OK'. (For Macs, Settings is under IntelliJ ID...
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Best ways to teach a beginner to program? [closed]

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