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StringBuilder vs String concatenation in toString() in Java
...o builder?
At the point where you're concatenating in a loop - that's usually when the compiler can't substitute StringBuilder by itself.
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foll...
Average of 3 long integers
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This code will work, but isn't that pretty.
It first divides all three values (it floors the values, so you 'lose' the remainder), and then divides the remainder:
long n = x / 3
+ y / 3
+ z / 3
+ ( x % 3
+ y % 3
+ z % 3
)...
What is the ellipsis (…) for in this method signature?
In the App Engine docs , what is the ellipsis ( JID... ) for in this method signature?
5 Answers
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Lightweight Javascript DB for use in Node.js [closed]
...with Persistence for node-webkit
LokiJS to be the ideal solution:
Mobile applications - especially HTML5 based (Cordova, Phonegap,
etc.)
Node.js embedded datastore for small-to-medium apps
Embedded in desktop application with Node Webkit
https://github.com/techfort/LokiJS
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How to find the JVM version from a program?
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That JMX call returns the equivalent of "java.vm.version", not "java.version". These are usually (but not necessarily) the same.
– Alex Miller
Jun 21 '13 at 15:54
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Method names for getting data [closed]
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It is all about consistent semantics;
In your question title you use getting data. This is extremely
general in a sense that you need to define what getting means
semantically significantly unambiguous way. I offer the follow
exam...
Android webview launches browser when calling loadurl
... initial loading? What if you want to navigate the browser from within the app?
– logicbloke
Dec 22 '17 at 17:08
5
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Concatenating two lists - difference between '+=' and extend()
I've seen there are actually two (maybe more) ways to concatenate lists in Python:
One way is to use the extend() method:
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Extract traceback info from an exception object
...ion("foo occurred").with_traceback(tracebackobj)
These features are minimally described as part of the raise documentation.
All credit for this part of the answer should go to Vyctor, who first posted this information. I'm including it here only because this answer is stuck at the top, and Python...
Traverse a list in reverse order in Python
... are reversed on the fly while traversing! This is an important feature of all these iteration functions (which all end on “ed”).
– Konrad Rudolph
Feb 9 '09 at 19:10
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