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Kotlin secondary constructor
...tring? = null) {...}
usage:
val c1 = C("foo") // parameter passed explicitly
val c2 = C() // default value used
Note that default values work for any function, not only for constructors
Technique 3. (when you need encapsulation) Use a factory method defined in a companion object
Sometimes you...
Capture Image from Camera and Display in Activity
I want to write a module where on a click of a button the camera opens and I can click and capture an image. If I don't like the image I can delete it and click one more image and then select the image and it should return back and display that image in the activity.
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Copy all the lines to clipboard
Is there any way to copy all lines from open file to clipboard in VI editor. I tried y G but it's not using clipboard to store those lines.
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The 'packages' element is not declared
When using asp.net mvc 3 project with vs 2010 I have lots of warnings like the ones below:
5 Answers
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Is it possible to import a whole directory in sass using @import?
I am modularizing my stylesheets with SASS partials like so:
13 Answers
13
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Changing every value in a hash in Ruby
...ash to change in place, but you don't want to affect the strings (you want it to get new strings):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |key,str| my_hash[key] = "%#{str}%" }
my_hash.inject(my_hash){ |h,(k,str)| h[k]="%#{str}%"; h }
If you want a new hash:
# Ruby...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
...king several hours the intellisense is broken. After closing all open tabs it works again.
21 Answers
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Simple Digit Recognition OCR in OpenCV-Python
I am trying to implement a "Digit Recognition OCR" in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV.
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Detect when a window is resized using JavaScript ?
Is there any way with jQuery or JavaScript to trigger a function when the user ends to resize the browser window?
4 Answers...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
... have my first node.js app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue.
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