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Should I always use a parallel stream when possible?
With Java 8 and lambdas it's easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
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Best practice for creating millions of small temporary objects
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Run the application with verbose garbage collection:
java -verbose:gc
And it will tell you when it collects. There would be two types of sweeps, a fast and a full sweep.
[GC 325407K->83000K(776768K), 0.2300771 secs]
[GC 325816K->83372K(...
Is there any significant difference between using if/else and switch-case in C#?
What is the benefit/downside to using a switch statement vs. an if/else in C#. I can't imagine there being that big of a difference, other than maybe the look of your code.
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Is there a way to create your own html tag in HTML5?
...ment called <stack>. Here's what you should do...
STEP 1
Normalize its attributes in your CSS Stylesheet (think css reset) -
Example:
stack{display:block;margin:0;padding:0;border:0; ... }
STEP 2
To get it to work in old versions of Internet Explorer, you need to append this script to ...
Legality of COW std::string implementation in C++11
It had been my understanding that copy-on-write is not a viable way to implement a conforming std::string in C++11, but when it came up in discussion recently I found myself unable to directly support that statement.
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What are the best practices for catching and re-throwing exceptions?
...g picture", but you do want to log the failure as close to the point where it happened as possible. In this case, you may want to catch, log, and re-throw:
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}
catch (Exception $e) {
logException($e); // does something
t...
How to break out of multiple loops?
...u must yield instead of using return, however you probably should be using itertools.islice() in such a case.
– robert king
Feb 13 '12 at 3:53
5
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How can I initialise a static Map?
How would you initialise a static Map in Java?
42 Answers
42
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Why can't Python's raw string literals end with a single backslash?
...hat section which I highlighted in bold:
String quotes can be escaped with a
backslash, but the backslash remains
in the string; for example, r"\"" is a
valid string literal consisting of two
characters: a backslash and a double
quote; r"\" is not a valid string
literal (even a raw s...
JavaScript unit test tools for TDD
I've looked into and considered many JavaScript unit tests and testing tools, but have been unable to find a suitable option to remain fully TDD compliant. So, is there a JavaScript unit test tool that is fully TDD compliant?
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