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Minimum and maximum value of z-index?

...t to 0 and is not a negative number. Note that many properties that allow an integer or real number as a value actually restrict the value to some range, often to a non-negative value. So basically there are no limitations for z-index value in the CSS standard, but I guess most browse...
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How do I install the OpenSSL libraries on Ubuntu?

... You want to install the development package, which is libssl-dev: sudo apt-get install libssl-dev share | improve this answer | ...
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How can I disable HREF if onclick is executed?

...ttribute: <a href="https://example.com/no-js-login" onclick="return yes_js_login();">Log in</a> yes_js_login = function() { // Your code here return false; } Example: https://jsfiddle.net/FXkgV/289/ ...
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How to build query string with Javascript

...the input is the form element (DOM Element) It doesn't handle fields that allow multiple selection. share | improve this answer | follow | ...
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Base 64 encode and decode example code

...Charsets: // Sending side byte[] data = text.getBytes(StandardCharsets.UTF_8); String base64 = Base64.encodeToString(data, Base64.DEFAULT); // Receiving side byte[] data = Base64.decode(base64, Base64.DEFAULT); String text = new String(data, StandardCharsets.UTF_8); ...
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How do I display the current value of an Android Preference in the Preference summary?

...ic solution, if that suits your needs. For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation: public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { ...
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What is an optional value in Swift?

...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later. Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...
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How to change an application icon programmatically in Android?

...st: <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" /> <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" /> Then you need this two methods for installing and uninstalling shortcuts. The shortcutAdd method creates a bitm...
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How can a Javascript object refer to values in itself? [duplicate]

...Vieira to this question explains it nicely. – samurai_jane Aug 6 at 19:09 add a comment ...
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How Do You Clear The IRB Console?

... @fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work. – Fan Yer May 19 '17 at 9:06 ...