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Visual Studio : short cut Key : Duplicate Line
...fter)
Ctrl + D
In Visual Studio 2017 (pre v15.6)
(edit) This feature is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for more information.
Pre...
What do the &,
Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*,
...
Difference between DOMContentLoaded and load events
...
Fyi, the same MDN link [now] also says: "Note: Stylesheet loads block script execution, so if you have a <script> after a <link rel="stylesheet" ...>, the page will not finish parsing - and DOMContentLoaded will not fire - until the styl...
Haskell Type vs Data Constructor
...ith how binary trees work, just hang in there. You don't actually need to know how binary trees work, only that this one stores Strings in some way.
We also see that both data constructors take a String argument – this is the String they are going to store in the tree.
But! What if we also wante...
How to check version of a CocoaPods framework
...sion of Cocoapods by using below command :
pod —-version
o/p : 1.2.1
Now if you want detailed version of Gems and Cocoapods then use below command :
gem which cocoapods (without sudo)
o/p : /Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.1/lib/cocoapods.rb
sudo gem which cocoapods (with sudo)
...
JUnit 4 Test Suites
...ice.class,
testMyBackend.class,
...
})
public class AllTests {}
Now you can run this in a couple different ways:
right-click and run in Eclipse as Junit test
create a runable Java Application; Main class='org.junit.runner.JUnitCore' and Args='my.package.tests.AllTests'
run from the comm...
What are bitwise shift (bit-shift) operators and how do they work?
..., you would use the following math:
memoryOffset = (row * 320) + column
Now, back in that day and age, speed was critical, so we would use bitshifts to do this operation.
However, 320 is not a power of two, so to get around this we have to find out what is a power of two that added together make...
What is a race condition?
...read scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data....
Is there a shortcut to make a block comment in Xcode?
... parameters}
return "/*\n" & (input as string) & "*/"
end run
Now you can access that service through Xcode - Services menu, or by right clicking on the selected block of code you wish to comment, or giving it a shortcut under System Preferences.
...
Immutable vs Mutable types
I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book:
...