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Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
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JavaScript string encryption and decryption?
...tps://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js" integrity="sha256-/H4YS+7aYb9kJ5OKhFYPUjSJdrtV6AeyJOtTkw6X72o=" crossorigin="anonymous"></script>
<br><br>
<label>encrypted</label>
<div id="demo1"></div>
<br>
<label&g...
How to architect an Ember.js application
It's been difficult to keep up with the evolution of Ember JS as its approached (and reached!) version 1.0.0. Tutorials and documentation have come and gone, leading to a lot of confusion about best practices and the intent of the original developers.
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What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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What is the best way to implement nested dictionaries?
...data structure which essentially amounts to a nested dictionary. Let's say it looks like this:
21 Answers
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Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
...follow
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edited Aug 26 '14 at 18:57
answered Aug 26 '14 at 16:43
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Java SafeVarargs annotation, does a standard or best practice exist?
... examples on the Internet and on StackOverflow about the particular issue with generics and varargs. Basically, it's when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntactic sugar that undergoes a simple "re-writing" at...
Sometimes adding a WCF Service Reference generates an empty reference.cs
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Generally I find that it's a code-gen issue and most of the time it's because I've got a type name conflict it couldn't resolve.
If you right-click on your service reference and click configure and uncheck "Reuse Types in Referenced Assemblies" i...
How to limit the amount of concurrent async I/O operations?
Here is the problem, it starts 1000+ simultaneous web requests. Is there an easy way to limit the concurrent amount of these async http requests? So that no more than 20 web pages are downloaded at any given time. How to do it in the most efficient manner?
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Why do we usually use || over |? What is the difference?
...ust wondering why we usually use logical OR || between two booleans not bitwise OR | , though they are both working well.
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