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How to design a database for User Defined Fields?
...hable field). This is sometimes called an inverted index design.
You can read an interesting article from 2009 about this solution here: http://backchannel.org/blog/friendfeed-schemaless-mysql
Or you can use a document-oriented database, where it's expected that you have custom fields per docume...
What is the proper REST response code for a valid request but an empty data?
...sed when the server has begun work on an object but the object isn't fully ready yet. Certainly not the case here. You haven't begun, nor will you begin, construction of user 9 in response to a GET request. That breaks all sorts of rules.
400 is used in response to a poorly formatted HTTP request...
Why doesn't RecyclerView have onItemClickListener()?
...f code: onCreateViewHolder(ViewGroup parent, int viewType) the signature already suggest different view types. For each one of them you'll require a different viewholder too, and subsequently each one of them can have a different set of clicks. Or you can just create a generic viewholder that takes ...
Why must jUnit's fixtureSetup be static?
...begins a transaction on after (test) it rolls it back again.
This isn't thread-safe but can be made to be so.
Selected code of JPAConnection.class
package com.triodos.general.junit;
import com.triodos.log.Logger;
import org.jetbrains.annotations.NotNull;
import org.junit.rules.ExternalResource;
...
When should I use RequestFactory vs GWT-RPC?
...ng to be GWT-compatible. You simply declare the properties that should be read and written by the client code in a Proxy interface, and the RequestFactory server components take care of marshaling the data and invoking your service methods. For applications that have a well-defined concept of "Ent...
What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...en addressed by the AWS staff in the link (https://forums.aws.amazon.com/thread.jspa?threadID=114646) below, commented by @Jeff-Atwood.
From the linked thread, it is advised, as a workaround, to use a Query String for differentiating between calls from different domains. I'll reproduce the shortene...
What does “S3 methods” mean in R?
...s, but few R users
know and understand them, so it is hard for others to read and
contribute to your code.
Be sure to read the chapter on trade-offs in "Advanced R, 2nd edition", too.
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Set Additional Data to highcharts series
...; you can use Array.find. It's not supported by IE, but you're using ES6 already (const) and MS stopped supporting IE in 2016.
– Dan Dascalescu
Feb 17 '18 at 4:51
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Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
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Interesting interview. Pretty sure I've read it before some time ago, but was definitely worth going through again. :)
– jalf
Jun 24 '09 at 19:49
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