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How to return multiple lines JSX in another return statement in React?
Single line works fine
7 Answers
7
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Difference between Destroy and Delete
...llbacks on the model while delete doesn't.
From the Rails API:
ActiveRecord::Persistence.delete
Deletes the record in the database and freezes this instance to reflect that no changes should be made (since they can't be persisted). Returns the frozen instance.
The row is simply removed w...
“To Do” list before publishing Android app to market [closed]
...). Why so? Well, no companies would like to publish an app only 1.5 day before the week end -> too dangerous (in case there is a problem that needs a quick reaction time).
Use proguard on your app (usually, you just have to add this line: proguard.config=proguard.cfg in the default.properties fil...
When and why should I use fragments in Android applications? [duplicate]
...eed the different parts of my applications to have their own special behavior and UI, and I don't know how fragments can help. In most cases, I think it is quicker to create 2 different activities (e.g., 1 for tablets and 1 for handsets), and to share the common behaviors and events in a third class...
How to generate and validate a software license key?
...y involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the f...
Transactions in .net
...at are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any responses or links for even basic stuff about transactions are welcome. ...
What is a good Hash Function?
...ake a good hash function. As a rule of thumb to avoid collisions my professor said that:
8 Answers
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How to extract URL parameters from a URL with Ruby or Rails?
...to turn any given URL string into a HASH?
You can try http://www.ruby-doc.org/stdlib/libdoc/cgi/rdoc/classes/CGI.html#M000075
require 'cgi'
CGI::parse('param1=value1&param2=value2&param3=value3')
returns
{"param1"=>["value1"], "param2"=>["value2"], "param3"=>["value3"]}
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How to understand Locality Sensitive Hashing?
...
The best tutorial I have seen for LSH is in the book: Mining of Massive Datasets.
Check Chapter 3 - Finding Similar Items
http://infolab.stanford.edu/~ullman/mmds/ch3a.pdf
Also I recommend the below slide:
http://www.cs.jhu.edu/%7Evandu...
Why does Lua have no “continue” statement?
...
In Lua 5.2 the best workaround is to use goto:
-- prints odd numbers in [|1,10|]
for i=1,10 do
if i % 2 == 0 then goto continue end
print(i)
::continue::
end
This is supported in LuaJIT since version 2.0.1
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