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How to create a hash or dictionary object in JavaScript [duplicate]
...t support the [subscript] notation used by Objects. That syntax implicitly casts the subscript value to a primitive string or symbol. Maps support any values as keys, so you must use the methods .get(key), .set(key, value) and .has(key).
var m = new Map();
var key1 = 'key1';
var key2 = {};
v...
Get size of an Iterable in Java
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You can cast your iterable to a list then use .size() on it.
Lists.newArrayList(iterable).size();
For the sake of clarity, the above method will require the following import:
import com.google.common.collect.Lists;
...
Java Generate Random Number Between Two Given Values [duplicate]
...ase where max is Integer.MAX_VALUE and min is 0. Use Math.round instead of casting to int to solve that.
– Krease
Apr 9 '15 at 18:06
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Swift Beta performance: sorting arrays
...he left partition always first.) Quicksort implemented with a simple pivot selection in the worst case takes O(n^2) time, but even in this worst case you only need O(log n) stack space by recursing on the smaller partition first.
– Macneil Shonle
Mar 16 '15 at ...
Difference Between ViewResult() and ActionResult()
...f you're planning to write unit tests. No more testing return types and/or casting the result.
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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And I think you can also drop the cast to Number() and rely on the double equals to do a bit of conversion: let isNumeric = (val) => parseFloat(val) == val;
– Mark Birbeck
Aug 31 '16 at 11:40
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How can I catch a 404?
...wishes to assume that it will always have that type, then it should simply cast: HttpWebResponse errorResponse = (HttpWebResponse)we.Response;. This will throw an explicit InvalidCastException if the impossible happens, instead of a mysterious NullReferenceException.
– John Sau...
The specified type member 'Date' is not supported in LINQ to Entities Exception
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LINQ to Entities cannot translate most .NET Date methods (including the casting you used) into SQL since there is no equivalent SQL.
The solution is to use the Date methods outside the LINQ statement and then pass in a value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error...
Javascript: Setting location.href versus location
...ndow.location.replace('/step1', '/step2');
The following codes work:
// cast to string
nextUrl = (window.location+'').replace('/step1', '/step2');
// href property
nextUrl = window.location.href.replace('/step1', '/step2');
...
How can I use UIColorFromRGB in Swift?
... If you pass a defined color constant to this function do not forget to cast constant type to :UInt. e.g struct Color{ static let DarkBlue:UInt = 0x1f5e75 static let Blue:UInt = 0x3f7589 static let LightBlue:UInt = 0x7fa3b0 }
– Javier Cala...