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What's the difference between the 'ref' and 'out' keywords?
I'm creating a function where I need to pass an object so that it can be modified by the function. What is the difference between:
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C/C++ with GCC: Statically add resource files to executable/library
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With imagemagick:
convert file.png data.h
Gives something like:
/*
data.h (PNM).
*/
static unsigned char
MagickImage[] =
{
0x50, 0x36, 0x0A, 0x23, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20,
0x77, 0x69, ...
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...
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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#pragma pack effect
...eprocessor statement does, and more importantly, why one would want to use it.
11 Answers
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Pretty graphs and charts in Python [closed]
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I'm the one supporting CairoPlot and I'm very proud it came up here.
Surely matplotlib is great, but I believe CairoPlot is better looking.
So, for presentations and websites, it's a very good choice.
Today I released version 1.1. If interested, check it out at CairoPlot v1.1...
Link to “pin it” on pinterest without generating a button
I have a page with tens or hundreds of posts, each one with social buttons.
I just can't generate all the buttons for each url: it is too slow (facebook, g+, twitter, pinterest... for hundreds of links). So, instead of the facebook share button to be generated on the fly, I use a simple img pointing...
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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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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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(...