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structure vs class in swift language
...e is changed, the instance referenced by both variables is updated. Bob is now Sue, everywhere that Bob was ever referenced.
class SomeClass {
var name: String
init(name: String) {
self.name = name
}
}
var aClass = SomeClass(name: "Bob")
var bClass = aClass // aClass and bClass...
Android Studio needs JDK 7 for Android-L mac
...
The folder name changed and now the folder name is jdk1.7.0_65.jdk :)
– smartDonkey
Jul 16 '14 at 17:06
4
...
What is the 'dynamic' type in C# 4.0 used for?
... to tell the compiler that a variable's type can change or that it is not known until runtime. Think of it as being able to interact with an Object without having to cast it.
dynamic cust = GetCustomer();
cust.FirstName = "foo"; // works as expected
cust.Process(); // works as expected
cust.Missing...
Querying DynamoDB by date
...ps on the range key only. The hash key is required such that the service knows which partition to look in to find the data.
You can of course perform a scan operation to filter by the date value, however this would require a full table scan, so it is not ideal.
If you need to perform an indexed l...
Resize image in the wiki of GitHub using Markdown
...
I have used methods described above. Now I am using the method which is a way similiar but more simple to me.
First create add README.md file to your project.
Then upload screenshoots or whatever description images needed to your project main directory.
After...
Is it possible to make a type only movable and not copyable?
... the marker types is preferred if the destructor is doing nothing.
Types now move by default, that is, when you define a new type it doesn't implement Copy unless you explicitly implement it for your type:
struct Triplet {
one: i32,
two: i32,
three: i32
}
impl Copy for Triplet {} // a...
How does password salt help against a rainbow table attack?
...d the salt, so when running the dictionary attack, she can simply use the known salt when attempting to crack the password.
A public salt does two things: makes it more time-consuming to crack a large list of passwords, and makes it infeasible to use a rainbow table.
To understand the first one, i...
Prevent contenteditable adding on ENTER - Chrome
...lank line(on the top of "Type some stuff"), and press enter. The cursor is now just before the "Type", not on the new blank line.
– Andrew
Dec 6 '13 at 11:23
3
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git - Server host key not cached
...rust the remote host (i.e. type yes), SSH will add its key to the list of known hosts.
After that, you should be able to do your git push origin.
As an alternative, you could also manually add the key of origin to .ssh/known_hosts but this requires that you adhere to the format of the known_hosts ...
Using Version Control for Home Development?
Up till now I have been developing my personal and school
projects at home without using any form of revision control
software to handle my changes and whatnot.
...