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Extract filename and extension in Bash
...ocus on the last '/' of the path instead of the '.' which should work even if you have unpredictable file extensions:
filename="${fullfile##*/}"
You may want to check the documentation :
On the web at section "3.5.3 Shell Parameter Expansion"
In the bash manpage at section called "Parameter Exp...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
... UIResponder does the following:
It calls pointInside:withEvent: of self
If the return is NO, hitTest:withEvent: returns nil. the end of the story.
If the return is YES, it sends hitTest:withEvent: messages to its subviews.
it starts from the top-level subview, and continues to other views until a...
How to add elements of a Java8 stream into an existing List
...nswer is no, at least, not in general, you shouldn't use a Collector to modify an existing collection.
The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own colle...
How to check if click event is already bound - JQuery
... called events, so you could search in this:
var button = $('#myButton');
if (-1 !== $.inArray(onButtonClicked, button.data('events').click)) {
button.click(onButtonClicked);
}
It would be best, of course, if you could structure your application so this code only gets called once.
This cou...
Can I have an IF block in DOS batch file?
In a DOS batch file we can only have 1 line if statement body? I think I found somewhere that I could use () for an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code:
...
string.Join on a List or other type
...does what you want:
String.Join<T>(String, IEnumerable<T>)
If you can't upgrade, you can achieve the same effect using Select and ToArray.
return string.Join(",", a.Select(x => x.ToString()).ToArray());
...
Adding a new array element to a JSON object
... it so you can apply the changes to a native JavaScript Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","status":"...
How to check if a symlink exists
I'm trying to check if a symlink exists in bash. Here's what I've tried.
8 Answers
8
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How to check if a model has a certain column/attribute?
I have a method that needs to loop through a hash and check if each key exists in a models table, otherwise it will delete the key/value.
...
How to find NSDocumentDirectory in Swift?
...them out for functions anyway. They are used primarily in methods.
Also, Swift is strongly typed, so you shouldn't just use 0. Use the enum's value instead.
And finally, it returns an array, not just a single path.
So that leaves us with (updated for Swift 2.0):
let documentsPath = NSSearchPathFo...