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Declare and initialize a Dictionary in Typescript

... true; } toLookup(): IDictionary { return this; } } Now we declare the Person specific type and Dictionary/Dictionary interface. In the PersonDictionary note how we override values() and toLookup() to return the correct types. interface IPerson { firstName: string; la...
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What does |= (ior) do in Python?

...search |= so I'm having trouble finding relevant documentation. Anybody know? 8 Answers ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

...sage is due to the unfortunate fact that PHP will implicitly declare an unknown token as a constant string of the same name. That is, it's trying to interpret this (note the missing quote marks): $_POST[department] The only valid way this would be valid syntax in PHP is if there was previously ...
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How can I open multiple files using “with open” in Python?

...asks. No duplicate writing or failing to write. So I am really curious to know why my answer is considered to be wrong, suboptimal or anything like that. share | improve this answer | ...
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__lt__ instead of __cmp__

...ot self<other def __le__(self, other): return not other<self Now your class can define just __lt__ and multiply inherit from ComparableMixin (after whatever other bases it needs, if any). A class decorator would be quite similar, just inserting similar functions as attributes of the ne...
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What's the yield keyword in JavaScript?

... Late answering, probably everybody knows about yield now, but some better documentation has come along. Adapting an example from "Javascript's Future: Generators" by James Long for the official Harmony standard: function * foo(x) { while (true) { ...
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How to pass arguments to a Button command in Tkinter?

...arameter assignment for the lambda"? I did not get lambda to work and thus now use partial. – Klamer Schutte Feb 18 '15 at 22:14  |  show 13 m...
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Overriding fields or properties in subclasses

... Can we say this now not correct based on this msdn.microsoft.com/en-us/library/9fkccyh4.aspx The msdn article shows you can override properties – codingbiz Sep 2 '14 at 23:17 ...
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How do I clone a job in Jenkins?

...ng is that this is accomplished through jobs set up in Jenkins . We have now created a new branch ( git ) and I guess I need to clone the existing jobs pointing to the other branch so that this same workflow occurs and builds are performed on every commit. Can somebody explain how I would clone t...
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How to set or change the default Java (JDK) version on OS X?

...the major version, like: export JAVA_HOME=`/usr/libexec/java_home -v 1.8` Now when you run java -version you will see: java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) Add the export JAVA_HO...