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Reduce, fold or scan (Left/Right)?
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In general, all 6 fold functions apply a binary operator to each ele<em>mem>ent of a collection. The result of each step is passed on to the next step (as input to one of the binary operator's two argu<em>mem>ents). This way we can cu<em>mem>ulate a result.
reduceLeft and reduceRight cu<em>mem>ulate a single result.
f...
Covariance, Invariance and Contravariance explained in plain English?
Today, I read so<em>mem>e articles about Covariance, Contravariance (and Invariance) in Java. I read the English and Ger<em>mem>an Wikipedia article, and so<em>mem>e other blog posts and articles fro<em>mem> IB<em>Mem>.
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Using Java 8 to convert a list of objects into a string obtained fro<em>mem> the toString() <em>mem>ethod
... are a lot of useful new things in Java 8. E.g., I can iterate with a strea<em>mem> over a list of objects and then su<em>mem> the values fro<em>mem> a specific field of the Object 's instances. E.g.
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How to create a custo<em>mem> attribute in C#
I have tried lots of ti<em>mem>es but still I a<em>mem> not able to understand the usage of custo<em>mem> attributes (I have already gone through lots of links).
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Differences between ExpandoObject, Dyna<em>mem>icObject and dyna<em>mem>ic
What are the differences between Syste<em>mem>.Dyna<em>mem>ic.ExpandoObject , Syste<em>mem>.Dyna<em>mem>ic.Dyna<em>mem>icObject and dyna<em>mem>ic ?
4 Answers
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<em>Mem>ocking Extension <em>Mem>ethods with <em>Mem>oq
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You can't "directly" <em>mem>ock static <em>mem>ethod (hence extension <em>mem>ethod) with <em>mem>ocking fra<em>mem>ework. You can try <em>Mem>oles (http://research.<em>mem>icrosoft.co<em>mem>/en-us/projects/pex/downloads.aspx), a free tool fro<em>mem> <em>Mem>icrosoft that i<em>mem>ple<em>mem>ents a different approach.
Here is...
Node.js / Express.js - How does app.router work?
... I think I should explain at least what I think happens when working with <em>mem>iddleware. To use <em>mem>iddleware, the function to use is app.use() . When the <em>mem>iddleware is being executed, it will either call the next <em>mem>iddleware by using next() or <em>mem>ake it so no <em>mem>ore <em>mem>iddleware get called. That <em>mem>eans that ...
C# constructor execution order
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The order is:
<em>Mem>e<em>mem>ber variables are initialized to default values for all classes in the hierarchy
Then starting with the <em>mem>ost derived class:
Variable initializers are executed for the <em>mem>ost-derived type
Constructor chaining works out wh...
How to per<em>mem>anently export a variable in Linux?
I a<em>mem> running RHEL6, and I have exported an environ<em>mem>ent variable like this:
6 Answers
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How to hide co<em>mem><em>mem>and output in Bash
I want to <em>mem>ake <em>mem>y Bash scripts <em>mem>ore elegant for the end user. How do I hide the output when Bash is executing co<em>mem><em>mem>ands?
7 A...