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What is java interface equivalent in Ruby?
...a, C# and VB.NET programming languages. In Ruby, we use the former all the time, but the latter simply doesn't exist.
It is very important to distinguish the two. What's important is the Interface, not the interface. The interface tells you pretty much nothing useful. Nothing demonstrates this bette...
VS2010 and IE10 Attaching the Script debugger to process iexplore.exe failed
...he same problem .. I found a temporary solution but I have to execute each time the same sequence is as follows.
Click on the menu "Debug"
Click on the "Window" menu
Click on the menu "Processes"
And right click on iexplorer.exe and "detach the process"
The problem is that every time I have to r...
convert UIImage to NSData
I am using this code in my app which will help me to send a image.
7 Answers
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
... PHP? Are variables from one .php file accessible in another? Why do I sometimes get "undefined variable" errors?
3 Answe...
How do you create a daemon in Python?
...org/pypi/python-daemon. More reliable. Just one example : try to start two times the same daemon with python-daemon : big ugly error. With Sander's code : a nice notice "Daemon already running."
– Basj
Jan 17 '16 at 20:50
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MySQL COUNT DISTINCT
...E ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
GROUP BY `site_id`
Having the time column in the result doesn't make sense - since you are aggregating the rows, showing one particular time is irrelevant, unless it is the min or max you are after.
...
Aspect Oriented Programming vs. Object-Oriented Programming
...he problem here? Actually everything described here can be done at compile time. A AOP preprocessor can just modify your source (e.g. adding Display.update() to the end of every set-pointcut method) before even compiling the class itself.
However, this example also shows one of the big downsides of ...
How to declare an array in Python?
...other lists inside it or, if the dimensions of the list are known at write-time, you could just write it as a literal like this: my_2x2_list = [[a, b], [c, d]]. Depending on what you need multi-dimensional arrays for, you also might consider using numpy, which defines array types for multi-dimension...
ADB No Devices Found
... and installing the Universal ADB windows driver has fixed it for me every time.
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Dismiss keyboard by touching background of UITableView
I have a UITableView with UITextField s as cells. I would like to dismiss the keyboard when the background of the UITableView is touched. I'm trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton i...