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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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How do I convert a column of text URLs into active hyperlinks in Excel?
... 200 entries.
NOTE: This solution does not work if the cell A1 contains a string longer than 255 characters. It results in a #VALUE! error
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Writing a compiler in its own language
... assembler. Eventually, you will come to the place where you have to parse strings, specifically escape sequences. You will write code to convert \n to the character with the decimal code 10 (and \r to 13, etc).
After that compiler is ready, you will start to reimplement it in C. This process is ca...
General guidelines to avoid memory leaks in C++ [closed]
...e heap internally (note the double negation... :-) ...). For example, std::string implemented with Small String Optimization will have a buffer "on the stack of the class" for small strings (~15 chars), and will use a pointer to a memory in the heap for larger strings... But from the outside, std::s...
How to link to apps on the app store
...n' s openURL: method to open your item in the App Store.
Sample code:
NSString *iTunesLink = @"itms://itunes.apple.com/app/apple-store/id375380948?mt=8";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:iTunesLink]];
Swift 4.2
let urlStr = "itms-apps://itunes.apple.com/app/ap...
Can a C# lambda expression have more than one statement?
...
Sure:
List<String> items = new List<string>();
var results = items.Where(i =>
{
bool result;
if (i == "THIS")
result = true;
else if (i == "T...
Understanding Spring @Autowired usage
...(Color color) {
this.color = color;
}
The @Resource (you can read some extra data about it in the first comment on this answer) spares you the use of two annotations and instead you only use one.
I'll just add two more comments:
Good practice would be to use @Inject instead of @Autowired beca...
jquery stop child triggering parent event
...
Or, rather than having an extra event handler to prevent another handler, you can use the Event Object argument passed to your click event handler to determine whether a child was clicked. target will be the clicked element and currentTarget will be t...
How useful/important is REST HATEOAS ( maturity level 3)?
...hen the Accept type is text/html - other content types don't require these extras.) I don't know where the belief that all REST resources in your entire application have to be glued together came from. A network application should contain multiple resources that may or may not be directly related. O...
private[this] vs private
...Without private[this]
object ObjectPrivateDemo {
def main(args: Array[String]) {
var real = new User("realUserName", "realPassword")
var guest = new User("dummyUserName", "dummyPassword")
real.displayUser(guest)
}
}
class User(val username:String,val password:String) {
private...