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Subclassing a Java Builder class
...isObject;
}
}
}
Then, you can call the methods in any order, from any of the classes in the hierarchy:
public class Demo {
LeafClass leaf = new LeafClass.Builder().baz(2).foo(1).bar(3).build();
}
share
...
Get Image Height and Width as integer values?
...
Like this :
imageCreateFromPNG($var);
//I don't know where from you get your image, here it's in the png case
// and then :
list($width, $height) = getimagesize($image);
echo $width;
echo $height;
...
How to pass objects to functions in C++?
... optional value should not be modified)
There are other small deviations from these rules, the first of which is handling ownership of an object. When an object is dynamically allocated with new, it must be deallocated with delete (or the [] versions thereof). The object or function that is respon...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
...since Solr aggregation was lacking. The amount of time to serialize to and from XML just absolutely killed performance. For small results sets though, it was perfectly fine.
Best documentation I've seen in an open source app
Solr advantages:
Can be extended.
Can hit it directly from a web app,...
How much is too much with C++11 auto keyword?
...ng side effects, then it must be good to do so.
Counterexamples (borrowed from someone else's answers):
auto i = SomeClass();
for (auto x = make_unsigned (y); ...)
Here we DO care what the type is, so we should write Someclass i; and for(unsigned x = y;...
...
C++0x has no semaphores? How to synchronize threads?
...
You can easily build one from a mutex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; // In...
Rails how to run rake task
...
You can run Rake tasks from your shell by running:
rake task_name
To run from from Ruby (e.g., in the Rails console or another Rake task):
Rake::Task['task_name'].invoke
To run multiple tasks in the same namespace with a single task, create t...
Fast way to get image dimensions (not filesize)
...ions also PPM, WEBP), and does only read the header.
The identify command (from ImageMagick) prints lots of image information for a wide variety of images. It seems to restrain itself to reading the header portion (see comments). It also has a unified output which file sadly lacks.
exiv2 gives you d...
How can I see the SQL generated by Sequelize.js?
...or: Please note that find* was refactored and uses only one options object from now on.. For the latest sequelize version (4) if you want to have the result for only one command:
User.findAll({where: {...}, logging: console.log})
...
NSLog/printf specifier for NSInteger?
...
So the only thing you can do unfortunately: Use %ld, and cast your values from NSInteger to long, or from NSUInteger to unsigned long.
Once you don't build for 32 bit anymore, you can just use %ld, without any cast.
shar...