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Omitting the second expression when using the if-else shorthand
...o an option:
x==2 && dosomething();
dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach:
if(x==2) dosomething();
You...
What is a StackOverflowError?
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Parameters and local variables are allocated on the stack (with reference types, the object lives on the heap and a variable in the stack references that object on the heap). The stack typically lives at the upper end of your address space and as it is used up...
What is a “web service” in plain English?
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Simplified, non-technical explanation:
A web serivce allows a PROGRAM to talk to a web page, instead of using your browser to open a web page.
Example:
I can go to maps.google.com, and type in my home address, and see a map of where I live in my browser.
But what if you were...
MySQL INNER JOIN select only one row from second table
...ltiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL statements before so I want to know what i'm doing wrong. Appreciate the help
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Is Random class thread safe?
...share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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How to parse JSON to receive a Date object in JavaScript?
...ates. You should do what @jAndy suggested and not serialize a DateTime at all; just send an RFC 1123 date string ToString("r") or a seconds-from-Unix-epoch number, or something else that you can use in the JavaScript to construct a Date.
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Controlling the screenshot in the iOS 7 multitasking switcher
...ome information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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Can you have a within a ?
...sert a Flash object into my page. The embedding eats my span . So, I lose all my CSS for it. I was thinking of moving all of the CSS to the parent so I don't lose my CSS styles when the Flash appears.
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How to change tab size on GitHub?
... As @chrisdembia mentioned, this is no longer correct; github allows you to change tab size by passing the value as a query param (e.g., ?ts=4)
– dule
Feb 2 '15 at 23:02
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