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How to set up Spark on Windows?
I am trying to setup Apache Spark on Windows.
10 Answers
10
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Recommended SQL database design for tags or tagging [closed]
... that's comma separated (sounds crazy but could work). I've even heard someone recommend a sparse matrix, but then how do the tag names grow gracefully?
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What is the memory consumption of an object in Java?
Is the memory space consumed by one object with 100 attributes the same as that of 100 objects, with one attribute each?
12...
How to turn on/off ReactJS 'development mode'?
Started using ReactJS's prop validation feature , which as the docs say only works in 'development mode' for performance reasons.
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Chrome ignores autocomplete=“off”
I've created a web application which uses a tagbox drop down. This works great in all browsers except Chrome browser (Version 21.0.1180.89).
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How do I delete from multiple tables using INNER JOIN in SQL server
...he "deleted" pseudo table in this example. Something like:
begin transaction;
declare @deletedIds table ( id int );
delete from t1
output deleted.id into @deletedIds
from table1 as t1
inner join table2 as t2
on t2.id = t1.id
inner join table3 as t3
on t3.id = t2.id...
Recommended Fonts for Programming? [closed]
What fonts do you use for programming, and for what language/IDE? I use Consolas for all my Visual Studio work, any other recommendations?
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How to drop SQL default constraint without knowing its name?
In Microsoft SQL Server, I know the query to check if a default constraint exists for a column and drop a default constraint is:
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jQuery scroll() detect when user stops scrolling
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$(window).scroll(function() {
clearTimeout($.data(this, 'scrollTimer'));
$.data(this, 'scrollTimer', setTimeout(function() {
// do something
console.log("Haven't scrolled in 250ms!");
}, 250));
});
Update
I wrote an e...
How do I type using my keyboard on the iphone simulator?
I used to be able to type with my real mac keyboard after launching the iPhone Simulator. Typing with the on-screen simulator keyboard is just horrible when testing with large amounts of text.
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