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How to add elements of a Java8 stream into an existing List
... to add to an existing collection using forEachOrdered(). This is a useful and effective technique for mutating existing collections. My answer addresses why you shouldn't use a Collector to mutate an existing collection.
The short answer is no, at least, not in general, you shouldn't use a Collect...
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 get the current date and time
How do I get the current date and time in Java?
10 Answers
10
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What is wrong with using goto? [duplicate]
I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago):
What is actually wrong with it? Why are goto's even possible in C++ then?
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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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Connect Java to a MySQL database
...(DataSource) context.lookup("java:comp/env/jdbc/myDB");
or instantiating and configuring one from your database driver directly:
MysqlDataSource dataSource = new MysqlDataSource();
dataSource.setUser("scott");
dataSource.setPassword("tiger");
dataSource.setServerName("myDBHost.example.org");
an...
What is an “unwrapped value” in Swift?
I'm learning Swift for iOS 8 / OSX 10.10 by following this tutorial , and the term " unwrapped value " is used several times, as in this paragraph (under Objects and Class ):
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MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
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What do people find difficult about C pointers? [closed]
...ve some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
29 Answers
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Is it safe to check floating point values for equality to 0?
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It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator. a == b means "a is equal to b".
It is not sa...