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What is the difference between & vs @ and = in angularJS

...to be passed to the directive's isolate scope. The value could be a simple string value (myattr="hello") or it could be an AngularJS interpolated string with embedded expressions (myattr="my_{{helloText}}"). Think of it as "one-way" communication from the parent scope into the child directive. John...
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Why is Dictionary preferred over Hashtable in C#?

...r in which items were added) SortedDictionary - items automatically sorted StringDictionary - strongly typed and optimized for strings share | improve this answer | follow ...
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Why does pattern matching in Scala not work with variables?

...ckticks. Both of these would be solutions to your problem: def mMatch(s: String) = { val target: String = "a" s match { case `target` => println("It was" + target) case _ => println("It was something else") } } def mMatch2(s: String) = { val Target: String = ...
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Specifying an Index (Non-Unique Key) Using JPA

...lass Region{ @Column(name = "iso_code", nullable = false) private String isoCode; @Column(name = "name", nullable = false) private String name; } Update: If you ever need to create and index with two or more columns you may use commas. For example: @Entity @Table(name = "co...
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URL encode sees “&” (ampersand) as “&” HTML entity

I am encoding a string that will be passed in a URL (via GET). But if I use escape , encodeURI or encodeURIComponent , & will be replaced with %26amp%3B , but I want it to be replaced with %26 . What am I doing wrong? ...
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How do I return NotFound() IHttpActionResult with an error message or exception?

...ctionResult : IHttpActionResult { public NotFoundTextPlainActionResult(string message, HttpRequestMessage request) { if (message == null) { throw new ArgumentNullException("message"); } if (request == null) { throw new Argument...
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Why were pandas merges in python faster than data.table merges in R in 2012?

... may have discovered a known issue in data.table when the number of unique strings (levels) is large: 10,000. Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (the algorithm), but a preliminary step. Recent effo...
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Finding what methods a Python object has

...lp(dir) output on your Python Shell: dir(...) dir([object]) -> list of strings If called without an argument, return the names in the current scope. Else, return an alphabetized list of names comprising (some of) the attributes of the given object, and of attributes reachable from it. If the ...
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Why am I not getting a java.util.ConcurrentModificationException in this example?

...Evidence : run this snippet to see the result : public static void main(String... args) { List<String> listOfBooks = new ArrayList<>(); listOfBooks.add( "Code Complete" ); listOfBooks.add( "Code 22" ); listOfBooks.add( "22 Effective" ); listOfBooks.add( "Netbeans 33" ); S...
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Datepicker: How to popup datepicker when click on edittext

...the XML file: <EditText android:id="@+id/Birthday" custom:font="@string/font_avenir_book" android:clickable="true" android:editable="false" android:hint="@string/birthday"/> Now in Java File: final Calendar myCalendar = Calendar.getInstance(); EditText edittext= (EditText) ...