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In Typescript, How to check if a string is Numeric
.../ adding 1 corrects loss of precision from parseFloat (#15100)
return !isArray(val) && (val - parseFloat(val) + 1) >= 0;
}
rxjs/isNumeric.ts
Without rxjs isArray() function and with simplefied typings:
function isNumeric(val: any): boolean {
return !(val instanceof Array) &&am...
not None test in Python [duplicate]
...commended: If val can be either None or a more complex thing, like a numpy array, it's not entirely clear whether this intends to be an element-wise comparison (e.g: arr>0 will produce a list of indices at which elements of arr are positive), so if you expect val to be either an array or None, t...
How to print a debug log?
... is all I really was looking for. I couldn't figure out how to see what my array contained (working in Drupal).
– SteveS
May 7 '14 at 14:31
...
Cannot use ref or out parameter in lambda expressions
...ide lamda. something like int tempVariable = refVariable; int newValue = array.Where(a => a == tempVariable).First();
– sree
Sep 21 at 7:34
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When is it better to use String.Format vs string concatenation?
...hood of String.Concat is easy to guess (use Reflector). The objects in the array get converted to their string via ToString(). Then the total length is computed and only one string allocated (with the total length). Finally, each string is copied into the resulting string via wstrcpy in some unsafe ...
How to delete last character in a string in C#?
...stead:
var parameters = sl.SelProds.Select(x=>"productID="+x.prodID).ToArray();
paramstr = string.Join("&", parameters);
string.Join takes a seperator ("&") and and array of strings (parameters), and inserts the seperator between each element of the array.
...
How to use radio on change event?
...value === 'transfer' ) {
console.log('value', 'transfer');
}
}
Array.prototype.forEach.call(radios, function(radio) {
radio.addEventListener('change', changeHandler);
});
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imp...
How do you convert a DataTable into a generic list?
...he value in DataRow. Is there any method? Instead of getting like list.ItemArray[0].
– Ramesh Durai
Sep 6 '12 at 13:24
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Why is inserting in the middle of a linked list O(1)?
...
For purposes of comparing with an array, which is what that chart shows, it's O(1) because you don't have to move all the items after the new node.
So yes, they are assuming that you already have the pointer to that node, or that getting the pointer is tri...
Zoom to fit all markers in Mapbox or Leaflet
...o here is what I ended up doing:
////var group = new L.featureGroup(markerArray);//getting 'getBounds() not a function error.
////map.fitBounds(group.getBounds());
var bounds = L.latLngBounds(markerArray);
map.fitBounds(bounds);//works!
...