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What is two way binding?

...ners). Other frameworks like Knockout do wire up two-way binding automagically. In Backbone, you can easily achieve #1 by binding a view's "render" method to its model's "change" event. To achieve #2, you need to also add a change listener to the input element, and call model.set in the handle...
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Where can I view Tomcat log files in Eclipse?

... "Arguments" tab of its launch configuration: -Dcatalina.base="${project_loc}\<apache-tomcat-5.5.23_loc>" -Dcatalina.home="${project_loc}\<apache-tomcat-5.5.23_loc>" -Djava.util.logging.config.file="${project_loc}\<apache-tomcat-5.5.23_loc>\conf\logging.properties" -Djava.uti...
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS

...expect to be hitting this limit you should strongly consider starting a parallel track validating a 64-bit JVM for your production environment so you have that ready for when the 32-bit environment breaks down. Otherwise you will have to do that work under pressure, which is never nice. Edit 201...
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Disable a Button

... I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled' – user9470831 Feb 5 '19 at 4:25 ...
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How to retrieve Request Payload

...); $data then contains the json data is php array. php://input is a so called wrapper. php://input is a read-only stream that allows you to read raw data from the request body. In the case of POST requests, it is preferable to use php://input instead of $HTTP_RAW_POST_DATA as it does not ...
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How to keep index when using pandas merge

...ng multi-index, your indices will be stored as a tuple in a single column called a[copy_index] – geekidharsh Nov 6 '19 at 6:19 add a comment  |  ...
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Using CookieContainer with WebClient class

... limited functionalty. Before I knew about this option, I wrote lots of really painful code at the HttpWebRequest layer because WebClient almost, but not quite, did what I needed. Derivation is much easier. Another option is to use the regular WebClient class, but manually populate the Cookie he...
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How to create a fixed-size array of objects

... Fixed-length arrays are not yet supported. What does that actually mean? Not that you can't create an array of n many things — obviously you can just do let a = [ 1, 2, 3 ] to get an array of three Ints. It means simply that array size is not something that you can declare as type inf...
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dplyr: “Error in n(): function should not be called directly”

...ction" specification, like example below: delay <- dplyr::summarise(by_tailnum, count = n(), dist = mean(distance, na.rm = TRUE), delay = mean(arr_delay, na.rm = TRUE)) share | improv...
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What is the difference between is_a and instanceof?

...ut PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, evaluates to false. is_a(MyExtendingClass::class,...