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Listening for variable changes in JavaScript

...ve an array of listeners instead of a single one and then instead of just calling this.aListener(val), you would have to loop through all listener functions and call each one passing val. Typically, the method is called addListener instead of registerListener. – Akira ...
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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?

... about the click method here: https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/click share | improve this answer | follow | ...
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How to select multiple files with ?

...ltiple="multiple" and if you are using php then you will get the data in $_FILES and use var_dump($_FILES) and see output and do processing Now you can iterate over and do the rest share | improve...
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What does |= (ior) do in Python?

...s1 |= s2 # 2 >>> s1.__ior__(s2) # 3 where the final value of s1 is equivalent either by: an assigned OR operation an in-place OR operation an in-place OR operation via special method++ Example Here we a...
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Add a property to a JavaScript object using a variable as the name?

...out modifying but it's referenced by other questions that are about dynamically creating objects and so I ended up here and happily benefited from this answer. – Oliver Lloyd Oct 29 '16 at 17:40 ...
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Remove duplicate dict in list in Python

... {'a': 3222, 'b': 1234}, {'a': 123, 'b': 1234}] seen = set() new_l = [] for d in l: t = tuple(d.items()) if t not in seen: seen.add(t) new_l.append(d) print new_l Example output: [{'a': 123, 'b': 1234}, {'a': 3222, 'b': 1234}] Note: As pointed out by @alexis ...
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Why are dates calculated from January 1st, 1970?

...1st, 1970) as default standard The Question makes two false assumptions: All time-tracking in computing is done as a count-since-1970. Such tracking is standard. Two Dozen Epochs Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various...
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Rename multiple files based on pattern in Unix

... Not present on all *nix systems. Not on Max OS X for one, and no package in fink to get it. Haven't looked at MacPorts. – dmckee --- ex-moderator kitten Jul 6 '09 at 16:07 ...
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Sort objects in ArrayList by date?

... @Sled: download.oracle.com/javase/6/docs/api/java/util/…, java.util.Comparator) – helios May 8 '11 at 11:51 add a comment ...
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?

... With the Java optional package or Oracle JDK installed, adding one of the following lines to your ~/.bash_profile file will set the environment variable accordingly. export JAVA_HOME="$(/usr/libexec/java_home -v 1.6)" or export JAVA_HOME="$(/usr/libexec/java_home -v 1.7)...