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What are the differences between Abstract Factory and Factory design patterns?
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Because nobody want to invest in ideas.
– jgauffin
Feb 28 '16 at 8:09
5
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
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It's a solution for Ubuntu (the idea also works for Windows or Mac) I just tried today and it works like a charm.
Material
a cross-over Ethernet cable (the name is fancy but it's just a normal Ethernet cable)
a laptop (ubuntu)
a Raspberry Pi (I have the...
Set every cell in matrix to 0 if that row or column contains a 0
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So my idea is to use the values in the last row/column as a flag to indicate whether all of the values in the corresponding column/row are 1s.
Using a Zig Zag scan through the entire matrix EXCEPT the final row/column. At each ele...
How can I handle time zones in my webapp?
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+1 This is a very interesting idea because I know that the user entered an event at 9:00 in Sidney, so when the same user searches for a time (without explicit time zone), I should assume he means "where I was at that time"
– Aaron D...
What are the best practices for JavaScript error handling?
...uestion, but suggesting to randomly ignore some errors is one of the worst ideas I've ever heard.
– jbabey
Feb 1 '13 at 14:00
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R and version control for the solo data analyst
...ed with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)?
Keep files that generate data or reports under version control, be selective. If you are using something like Sweave, store your .Rnw files and not the .tex files that get produced from t...
How to use concerns in Rails 4
...cept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them getting too fat and messy.
As an example, I'll put one well known pattern, the taggable pattern:
# app/models...
How to get the ThreadPoolExecutor to increase threads to max before queueing?
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As much as I don't like the idea of breaking the contract of Queue in order to accomplish this, you're certainly not alone in your idea: groovy-programming.com/post/26923146865
– bstempi
Oct 23 '13 at 13:26
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How to sign an android apk file
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For users of IntelliJ IDEA or Android Studio make these steps:
* From the menu Build/Generate signed APK
* You need to create a keystore path. From the dialog click Create new. You will create a jks file that includes your keys. Select folder, def...
Iterator Loop vs index loop [duplicate]
...d during the iteration using iterators will put you in big troubles).
The idea of having a generic loop that works when you will change later the container type is also mostly nonsense in real cases. Unfortunately the dark side of a strictly typed language without serious typing inference (a bit be...