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When should one use a 'www' subdomain?
When browsing through the internet for the last few years, I'm seeing more and more pages getting rid of the 'www' subdomain.
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Volatile Vs Atomic [duplicate]
...rite -- such as i++, which is equivalent to i = i + 1, which does one read and one write -- is not atomic, since another thread may write to i between the read and the write.
The Atomic classes, like AtomicInteger and AtomicReference, provide a wider variety of operations atomically, specifically i...
Useful code which uses reduce()? [closed]
...uses reduce() function in python? Is there any code other than the usual + and * that we see in the examples?
24 Answers
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How many database indexes is too many?
...nds on the operations that occur on the table.
If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all ...
How to convert TimeStamp to Date in Java?
... @vs06 What makes you think it is deprecated? The latest java 7 and 8 docs both say otherwise (docs.oracle.com/javase/7/docs/api/java/util/Date.html#getTime() and docs.oracle.com/javase/8/docs/api/java/util/Date.html#getTime--)
– Alex Coleman
Sep 22 ...
How to change the name of a Django app?
... have changed the name of an app in Django by renaming its folder, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver
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What is an efficient way to implement a singleton pattern in Java? [closed]
...pt that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated serialization or reflection attacks. While this approach has yet to be widely adopted, a single-element enum type is the bes...
Node.js and CPU intensive requests
I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application.
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
..., then definitely consider using Auto Layout. It removes all fixed layout handling and instead uses constraints to lay things out. Nothing will be hard-coded, and your life will become a lot simpler.
However, if you have to support older iOS's, then it really depends on your application. A majority...
How to perform a real time search and filter on a HTML table
I've been Googling and searching Stack Overflow for a while, but I just can't get around this problem.
9 Answers
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