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iOS - forward all touches through a view
...ow, any touch on the side buttons (included in the * viewsWithActiveTouch* array) will be given to the buttons, while any touch on the stackview anywhere else than these views won't be intercepted, and therefore passed to whatever is below the stack view.
/** Subclass of UIStackView that does not a...
Function overloading in Javascript - Best practices
...; checking the types will just make your code slow and you have the fun of Arrays, nulls, Objects, etc.
What most developers do is tack on an object as the last argument to their methods. This object can hold anything.
function foo(a, b, opts) {
// ...
if (opts['test']) { } //if test param e...
Difference between sh and bash
...rogramming languages. These include things like scoped local variables and arrays. Plain sh is a very minimalistic programming language.
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How to loop through a plain JavaScript object with the objects as members?
...
Under ECMAScript 5, you can combine Object.keys() and Array.prototype.forEach():
var obj = {
first: "John",
last: "Doe"
};
//
// Visit non-inherited enumerable keys
//
Object.keys(obj).forEach(function(key) {
console.log(key, obj[key]);
});
...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...
I think most postings missed the main point. Even if you use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does...
How to export collection to CSV in MongoDB?
...=`mongo $dbname --eval "rs.slaveOk();db.getCollectionNames();"`;
collectionArray=($collections);
# for each collection
for ((i=0; i<${#collectionArray[@]}; ++i));
do
echo 'exporting collection' ${collectionArray[$i]}
# get comma separated list of keys. do this by peeking into the first d...
Identify duplicates in a List
... time when inserting into the HashSet(). This is because the internal hash array gets repeatedly resized. The inserts then average to something like O(log N) time. This means processing all N items becomes O(N log N) when it could have been O(N).
– johnstosh
Au...
Make function wait until element exists
...r = new MutationObserver(function (mutations, me) {
// `mutations` is an array of mutations that occurred
// `me` is the MutationObserver instance
var canvas = document.getElementById('my-canvas');
if (canvas) {
handleCanvas(canvas);
me.disconnect(); // stop observing
return;
}...
Why should a Java class implement comparable?
... method is referred to as its natural
comparison method.
Lists (and arrays) of objects that
implement this interface can be sorted
automatically by Collections.sort (and
Arrays.sort). Objects that implement
this interface can be used as keys in
a sorted map or as elements in a
sor...
Access index of the parent ng-repeat from child ng-repeat
...p://docs.angularjs.org/api/ng.directive:ngRepeat, you can store the key or array index in the variable of your choice. (indexVar, valueVar) in values
so you can write
<div ng-repeat="(fIndex, f) in foos">
<div>
<div ng-repeat="b in foos.bars">
<a ng-click="addSomet...