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Why does gulp.src not like being passed an array of complete paths to files?
...
same question from my side. I have two different bases for the task I need to run
– Cynthia Sanchez
Sep 7 '15 at 10:44
...
jQuery Plugin: Adding Callback functionality
...e options object:
$.fn.myPlugin = function() {
// extend the options from pre-defined values:
var options = $.extend({
callback: function() {}
}, arguments[0] || {});
// call the callback and apply the scope:
options.callback.call(this);
};
Use it like this:
$('.el...
How to avoid “if” chains?
...grammers. So clearly a win-win: decent code and somebody learned something from reading it.
– x4u
Jun 27 '14 at 12:11
24
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How do I get python's pprint to return a string instead of printing?
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The pprint module has a command named pformat, for just that purpose.
From the documentation:
Return the formatted representation of object as a string. indent,
width and depth will be passed to the PrettyPrinter constructor as
formatting parameters.
Example:
>>> import ppri...
Shall we always use [unowned self] inside closure in Swift
...e class owns something that owns the closure.
Specifically in the example from the video
In the example on the slide, TempNotifier owns the closure through the onChange member variable. If they did not declare self as unowned, the closure would also own self creating a strong reference cycle.
Dif...
How to remove all null elements from a ArrayList or String Array?
...use of brevity, but because it's more expressive. You can almost read it: "From tourists, remove if object is null". Also, the old way is creating a new collection with a single null object, and then asking to remove the contents of a collection from the other. Seems a bit of a hack, don't you think...
Android ListView not refreshing after notifyDataSetChanged
...);
items.clear();
items = dbHelper.getItems(); // reload the items from database
adapter.notifyDataSetChanged();
}
what you just have updated before calling notifyDataSetChanged() is not the adapter's field private List<Item> items; but the identically declared field of the fragm...
How to write a Ruby switch statement (case…when) with regex and backreferences?
...se named capture groups in your regexes) and nicely separates your regexes from your search logic (which may or may not yield clearer code), you could even load your regexes from a config file or choose which set of them you wanted at run time.
...
Mimicking sets in JavaScript?
...n the list:
if (A in obj) {
// put code here
}
Question 2: Delete 'A' from the list if it's there:
delete obj[A];
Question 3: Add 'A' to the list if it wasn't already there
obj[A] = true;
For completeness, the test for whether A is in the list is a little safer with this:
if (Object.prototyp...
What's the role of GetHashCode in the IEqualityComparer in .NET?
...ou need to compare Equals would be enouf, but when you need to get element from Dictionary it's easier to do this by hash, not by using Equals.
– Ash
Nov 4 '10 at 10:20
add a ...