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What is an SSTable?
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Sorted Strings Table (borrowed from google) is a file of key/value string pairs, sorted by keys
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CAP theorem - Availability and Partition Tolerance
...tolerance" (P) in CAP, I found it difficult to understand the explanations from various articles.
9 Answers
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How do I execute a bash script in Terminal?
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@kot "It happens to work for me" is very far from "this is a correct answer". It can work if sh is a symlink to bash, or if the script does not use any Bash-specific construct. In the former case, using bash instead of sh is the only correct, portable solution; in the l...
What's the yield keyword in JavaScript?
...on of the algorithm. Each time you call next(), the generator code resumes from the statement following the yield.
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Detect Click into Iframe using JavaScript
...a click event.
By catching the mousedown you'd prevent the original click from getting to the iframe. If you could determine when the mouse button was about to be pressed you could try to get the invisible div out of the way so that the click would go through... but there is also no event that fire...
what is the use of xsi:schemaLocation?
... that spring uses will read the schemaLocation values and try to load them from the internet, in order to validate the XML file. Spring, in turn, intercepts those load requests and serves up versions from inside its own JAR files.
If you omit the schemaLocation, then the XML parser won't know where...
Inversion of Control vs Dependency Injection
... EJB management is really a typical example of IoC. You can see it from the fact that the lifecycle of a EJB is managed by the container, not by the programmer. The programmer does not create or destroy an EJB instance because the control is delegated to the server. That is the concept of Io...
How do I format a number in Java?
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From this thread, there are different ways to do this:
double r = 5.1234;
System.out.println(r); // r is 5.1234
int decimalPlaces = 2;
BigDecimal bd = new BigDecimal(r);
// setScale is immutable
bd = bd.setScale(decimalPla...
Bootstrap Dropdown menu is not working
...othing that fixed everyone's problems helped. I copied the source straight from bootstrap's website, but I can't seem to get it to work on my machine. Anyone have any ideas? I have been staring at it for an hour and can't seem to figure out what the problem is.
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Pushing read-only GUI properties back into ViewModel
...hat always knows the current state of some read-only dependency properties from the View.
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