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Nested defaultdict of defaultdict
...?
– Yuvaraj Loganathan
Feb 9 '15 at 10:12
Ooops, yes, the lambda form is correct--because the defaultdict(something) r...
Check whether variable is number or string in JavaScript
...ject.prototype.toString;
_.isString = function (obj) {
return toString.call(obj) == '[object String]';
}
This returns a boolean true for the following:
_.isString("Jonathan"); // true
_.isString(new String("Jonathan")); // true
...
Getting realtime output using subprocess
... terminates.
– Alice Purcell
Apr 9 '10 at 12:24
1
@Dave For future ref: print utf-8 lines in py2+...
Pass Variables by Reference in Javascript
... it means that it's possible to pass a simple variable in such a way as to allow a function to modify that value in the calling context. So:
function swap(a, b) {
var tmp = a;
a = b;
b = tmp; //assign tmp to b
}
var x = 1, y = 2;
swap(x, y);
alert("x is " + x + ", y is " + y); // "...
What is the difference between lock and Mutex?
...
answered Sep 17 '10 at 12:31
Darin DimitrovDarin Dimitrov
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...
Remove empty array elements
... of strings, you can simply use array_filter(), which conveniently handles all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
Hidden Features of C#? [closed]
...
This isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it!
I'm willing to bet that every production app has the following code, even though it shoul...
Removing all unused references from a project in Visual Studio projects
... wondered if it possible within various Visual Studio versions to automatically remove all references from a project that were never been used?
...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
... working perfectly for API < 11, and Force Closing on API > 11.
I really couldn't figure out what they changed inside the Activity lifecycle in the call to saveInstance, but I here is how I solved this :
@Override
protected void onSaveInstanceState(Bundle outState) {
//No call for super(...
How can we run a test method with multiple parameters in MSTest?
NUnit has a feature called Values, like below:
9 Answers
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