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Boolean.hashCode()
...me numbers would do fine.
Why primes?
Suppose for a second that we picked composite numbers (non-primes), say 1000 and 2000. When inserting booleans into a hash table, true and false would go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bu...
Default visibility for C# classes and members (fields, methods, etc.)?
... edited May 23 '17 at 12:34
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answered Sep 21 '10 at 19:15
OdedOded
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NUnit vs. xUnit
... been around since 2002, it's widely used, well documented and has a large community, whereas xUnit.net is more modern, more TDD adherent, more extensible, and also trending in .NET Core development. It's also well documented.
In addition to that, the main difference I noticed is the way that xUnit...
Download data url file
I'm playing with the idea of making a completely JavaScript-based zip/unzip utility that anyone can access from a browser. They can just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in.
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How do I create a datetime in Python from milliseconds?
...Date object in Java by java.util.Date(milliseconds) . How do I create the comparable in Python?
5 Answers
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Web Reference vs. Service Reference
...you really must: when you do a "Add Service Reference", on the dialog that comes up, click on the [Advanced] button in the button left corner:
and on the next dialog that comes up, pick the [Add Web Reference] button at the bottom.
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“Uncaught TypeError: Illegal invocation” in Chrome
...k in the same way, "this" should be the console, not window: stackoverflow.com/questions/8159233/…
– Alex
Dec 16 '15 at 11:24
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Google Maps v3 - limit viewable area and zoom level
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<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false"></script>
</head>
<body>
<div id="map" style="width: 400px; height: 300px;"></div>
<script type="text/javascript">
// This is the minimum zoo...
jQuery attr vs prop?
...rop("selectedIndex");
This was great, but annoyingly this wasn't backward compatible, as:
<input type="checkbox" checked>
has no attribute of checked, but it does have a property called checked.
So, in the final build of 1.6, attr does also do prop so that things didn't break. Some people wa...
How do I get the MIN() of two fields in Postgres?
...of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. The result will be NULL only if all the expressions evaluate to NULL.
Note that GREATEST and LEA...