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How do you track record relations in NoSQL?
... you don't design your database based on the relationships between data entities. You design your database based on the queries you will run against it. Use the same criteria you would use to denormalize a relational database: if it's more important for data to have cohesion (think of values in a...
What are the uses for Cross Join?
...table that contains a row for every minute in the day, and you want to use it to verify that a procedure has executed each minute, so you might cross three tables:
select
hour,
minute
from
hours CROSS JOIN minutes
Or you have a set of standard report specs that you want to apply to ev...
Split output of command by columns using Bash?
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Will not work if you happen to have a process with PID that contains the PID you are interested in as a subtring.
– David Grayson
Nov 4 '12 at 19:58
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Detect changed input text box
... detect when someone changes the content of a text box but for some reason it's not working... I get no console errors. When I set a breakpoint in the browser at the change() function it never hits it.
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difference between foldLeft and reduceLeft in Scala
...ore giving the actual answer:
Your question doesn't have anything to do with left, it's rather about the difference between reducing and folding
The difference is not the implementation at all, just look at the signatures.
The question doesn't have anything to do with Scala in particular, it's rat...
iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
...orking on an iPad-based web app, and need to prevent overscrolling so that it seems less like a web page. I'm currently using this to freeze the viewport and disable overscroll:
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Why can't I reference my class library?
I have a solution that contains a website and a class library in Visual Studio 2008.
20 Answers
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Can I restore a single table from a full mysql mysqldump file?
... that rebuilds the table I want but I don't even know how to effectively edit a text document that size.
19 Answers
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Android Studio: Add jar as library?
I'm trying to use the new Android Studio but I can't seem to get it working correctly.
34 Answers
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How do I use Java to read from a file that is actively being written to?
I have an application that writes information to file. This information is used post-execution to determine pass/failure/correctness of the application. I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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