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Why does Java switch on contiguous ints appear to run faster with added cases?
... (bytecode instruction tableswitch).
However, once the JIT starts its job and compiles the bytecode into assembly, the tableswitch instruction does not always result in an array of pointers: sometimes the switch table is transformed into what looks like a lookupswitch (similar to an if/else if stru...
How to beautify JSON in Python?
Can someone suggest how I can beautify JSON in Python or through the command line?
13 Answers
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How to convert vector to array
...ts for the new array: double arr[v.size()];
– rbaleksandar
Dec 25 '13 at 21:09
8
@rbaleksandar: A...
What is a “surrogate pair” in Java?
...mething about surrogate pairs . What is a surrogate pair in this context? And what are low and high surrogates?
7 An...
How do I view the SQL generated by the Entity Framework?
...nternalQuery as (System.Data.Entity.Internal.Linq.InternalQuery<T>), and only then, use ToTraceString()
– itsho
Jul 8 '14 at 11:20
9
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How do I store an array in localStorage? [duplicate]
...
localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
//...
var storedNames = JSON.parse(localStorage.getItem("names"));
...
Import multiple csv files into pandas and concatenate into one DataFrame
I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far:
...
Collections.emptyList() returns a List?
...aults to returning List<Object>. You can supply the type parameter, and have your code behave as expected, like this:
public Person(String name) {
this(name,Collections.<String>emptyList());
}
Now when you're doing straight assignment, the compiler can figure out the generic type p...
Can you avoid Gson converting “” into unicode escape sequences?
...'s on by default. JSON has nothing to do with HTML. The spec states only " and `\` need to be escaped.
– Mark Jeronimus
Feb 16 '17 at 10:41
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Catching multiple exception types in one catch block
...ike a cleaner way to obtain the following functionality, to catch AError and BError in one block:
11 Answers
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