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Amazon Interview Question: Design an OO parking lot [closed]
...s.
ParkingSpace has an Entrance.
Entrance has a location or more specifically, distance from Entrance.
ParkingLotSign is a class.
ParkingLot has a ParkingLotSign.
ParkingLot has a finite number of ParkingSpaces.
HandicappedParkingSpace is a subclass of ParkingSpace.
RegularParkingSpace is a s...
What is the difference between .text, .value, and .value2?
...presenting what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean)
.Value gives you the same as .Value2 except if the cell was formatted...
How do you make a HTTP request with C++?
Is there any way to easily make a HTTP request with C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
...
How do I change the color of the text in a UIPickerView under iOS 7?
...spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
let string = "myString"
return NSAttributedString(string: string, attributes: [NSForegroundColorAtt...
What is the $$hashKey added to my JSON.stringify result
...e track by {uniqueProperty} suffix, Angular won't have to add $$hashKey at all. For example
<ul>
<li ng-repeat="link in navLinks track by link.href">
<a ng-href="link.href">{{link.title}}</a>
</li>
</ul>
Just always remember you need the "link."...
How do I resolve configuration errors with Nant 0.91?
...xtracted from the Nant 0.91 archive. (This made no sense to me until I actually tried it, but it does actually work...)
Source : http://surfjungle.blogspot.com/2011/11/tip-running-nant-091-on-windows-7.html
I found that the problem was Windows 7 security related in that the downloaded NAnt 0.91...
String comparison using '==' vs. 'strcmp()'
...
@onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
Replace multiple strings with multiple other strings
...j[matched];
});
jsfiddle example
Generalizing it
If you want to dynamically maintain the regex and just add future exchanges to the map, you can do this
new RegExp(Object.keys(mapObj).join("|"),"gi");
to generate the regex. So then it would look like this
var mapObj = {cat:"dog",dog:"goat"...
Calling shell functions with xargs
...
Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
...
ArrayBuffer to base64 encoded string
...
I like the simplicity of this approach, but all that string concatenation can be costly. It looks like building an array of the characters and join()ing them at the end is significantly faster on Firefox, IE, and Safari (but quite a lot slower on Chrome): jsperf.com/to...