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What is the meaning of “$” sign in JavaScript

...ipt libraries copied this idea. Prototype also introduced a $$ function to select elements using CSS selector. jQuery also adapted $ function but expanded to make it accept all kinds of 'selectors' to get the elements you want. Now, if you are already using Prototype in your project and wanted to ...
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How to emulate GPS location in the Android Emulator?

...click on the menu button (3 dots) shown below: Then from the left pane, select Location and change the coordinates according to your needs. After pressing Send button, changes will immediately take effect (I recommend you to open up Google Maps for better understanding). Android Studio Version...
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How to create CSV Excel file C#? [closed]

...Object = obj; var line = String.Join(delimeter, propertyInfos.Select(x => SanitizeValuesForCSV(x.GetValue(localObject, null), delimeter))); sb.AppendLine(line); } return sb.ToString(); } private static string SanitizeValuesForCSV(object value, s...
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Android AlertDialog Single Button

...> public class MainActivity extends AppCompatActivity { String select; String[] fruitNames; Button infoDialog, iconDialog, rateDialog, singleOptionDialog, multiOptionDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstan...
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How do I get the width and height of a HTML5 canvas?

...le via .scrollWidth and .scrollHeight: var canvasElem = document.querySelector('canvas'); document.querySelector('#dom-dims').innerHTML = 'Canvas DOM element width x height: ' + canvasElem.scrollWidth + ' x ' + canvasElem.scrollHeight var canvasContext = canvasElem.getC...
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How is the default max Java heap size determined?

...1.4.2. In the J2SE platform version 1.4.2 by default the following selections were made initial heap size of 4 Mbyte maximum heap size of 64 Mbyte share | improve this answer...
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How do I duplicate a whole line in Emacs?

... which breaks down to C-a: move cursor to start of line C-SPACE: begin a selection ("set mark") C-n: move cursor to next line M-w: copy region C-y: paste ("yank") The aforementioned C-a C-k C-k C-y C-y amounts to the same thing (TMTOWTDI) C-a: move cursor to start of line C-k: cut ("kill") ...
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How to semantically add heading to a list

... Try defining a new class, ulheader, in css. p.ulheader ~ ul selects all that immediately follows My Header p.ulheader ~ ul { margin-top:0; { p.ulheader { margin-bottom;0; } share | ...
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How can I run a directive after the dom has finished rendering?

... @JonathanCremin jQuery selecting is the issue at hand as per the OP – Nick Devereaux May 28 '14 at 4:27 1 ...
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How to open a local disk file with JavaScript?

...leReader facility does allow you to process local files, but these MUST be selected by the user, you cannot go rooting about the users disk looking for files. I currently use this with development versions of Chrome (6.x). I don't know what other browsers support it. ...