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Can I invoke an instance method on a Ruby module without including it?
... a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as
module Mods
def self.foo
puts "Mods.foo(self)"
end
end
The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
def ...
Get notified when UITableView has finished asking for data?
Is there some way to find out when a UITableView has finished asking for data from its data source?
18 Answers
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What are attributes in .NET?
...trol in what order properties should appear in the UI. I could then append it to a class and write some GUI components that extract the attributes and order the UI elements appropriately.
public class DisplayWrapper
{
private UnderlyingClass underlyingObject;
public DisplayWrapper(Underlyi...
How to get the ASCII value of a character
...value
of the char. And in case you want to
convert back after playing with the
number, function chr() does the trick.
>>> ord('a')
97
>>> chr(97)
'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there is also the unichr function, returning the Unicode char...
Remove portion of a string after a certain character
...e me the part of the string starting at the beginning and ending at the position where you first encounter the deliminator.
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When should you NOT use a Rules Engine? [closed]
...ingle rule set). This often happens when the rules engine is a singleton sitting in the center of the enterprise in the hope that keeping rules DRY will make them accessible to many apps that require them. I would defy anyone to tell me that a Rete rules engine with that many rules is well-underst...
How to find out if an item is present in a std::vector?
...is to check whether an element exists in the vector or not, so I can deal with each case.
18 Answers
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release Selenium chromedriver.exe from memory
...close() to close the instance. ( browser = webdriver.Chrome() ) I believe it should release chromedriver.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memory. I hope there is a way I can write something in python to kill the chr...
iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
...viewport property is no longer supported in iOS 8. However, the minimal-ui itself is not gone. User can enter the minimal-ui with a "touch-drag down" gesture.
There are several pre-conditions and obstacles to manage the view state, e.g. for minimal-ui to work, there has to be enough content to enab...
is it possible to change values of the array when doing foreach in javascript?
...
The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second argument, which will be used as the value of this in ea...