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How do I build a graphical user interface in C++? [closed]
...mmand line interface and the only other language I have experience with is PHP which doesn't support GUIs.
8 Answers
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ActiveRecord: size vs count
...m?
That you might be hitting the DB twice if you don't do it in the right order (e.g. if you render the number of elements in a table on top of the rendered table, there will be effectively 2 calls sent to the DB).
share
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Image fingerprint to compare similarity of many images
...should definitely take a look at phash.
For image comparison there is this php project :
https://github.com/kennethrapp/phasher
And my little javascript clone:
https://redaktor.me/phasher/demo_js/index.html
Unfortunately this is "bitcount"-based but will recognize rotated images.
Another approach in...
What does it mean when an HTTP request returns status code 0?
...requests using jQuery
var xhr = $.ajax({
type: "POST",
url: "some.php",
data: "name=John&location=Boston",
success: function(msg){
alert( "Data Saved: " + msg );
}
});
//kill the request
xhr.abort()
It's worth noting that running the .abort() method on an XHR objec...
How to sort a dataframe by multiple column(s)
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You can use the order() function directly without resorting to add-on tools -- see this simpler answer which uses a trick right from the top of the example(order) code:
R> dd[with(dd, order(-z, b)), ]
b x y z
4 Low C 9 2
2 Med D 3 1
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What is the difference between Cygwin and MinGW?
... mean I need to download the mingw libraries from mingw's official site in order to compile to a mingw target from a cygwin host? Or can these libraries be downloaded from Cygwin's package system?
– CMCDragonkai
Feb 20 '15 at 7:02
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Why is the gets function so dangerous that it should not be used?
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In order to use gets safely, you have to know exactly how many characters you will be reading, so that you can make your buffer large enough. You will only know that if you know exactly what data you will be reading.
Instead of...
Percentage Height HTML 5/CSS
...th:100%; height:85vh">
<div style="width:70%; height: 100%; border: 2px dashed red"></div>
<div style="width:30%; height: 100%; border: 2px dashed red"></div>
</div>
shar...
How to display unique records from a has_many through relationship?
...q option on the has_many association:
has_many :products, :through => :orders, :uniq => true
From the Rails documentation:
:uniq
If true, duplicates will be omitted from the collection. Useful in conjunction with :through.
UPDATE FOR RAILS 4:
In Rails 4, has_many :products, :thr...
How to define a custom ORDER BY order in mySQL
In MySQL how do I define a custom sorting order.
4 Answers
4
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