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Is there common street addresses database design for all addresses of the world? [closed]
...ction of all possible addresses will be stored, its better to use a single table (or flat format) containing all fields and one address per row.
A reasonable format for storing addresses would be as follows:
Address Lines 1-4
Locality
Region
Postcode (or zipcode)
Country
Address lines 1-4 can hold...
Count the occurrences of DISTINCT values
...
SELECT name,COUNT(*) as count
FROM tablename
GROUP BY name
ORDER BY count DESC;
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MySQL - force not to use cache for testing speed of query
...your query.
(MySQL 5.6 users click HERE )
eg.
SELECT SQL_NO_CACHE * FROM TABLE
This will stop MySQL caching the results, however be aware that other OS and disk caches may also impact performance. These are harder to get around.
...
How useful/important is REST HATEOAS ( maturity level 3)?
...e client development schedule. Abrupt changes to the API are simply unacceptable to everyone involved, as it disrupts traffic and operations on both sides.
So, an operation like that would very likely benefit from HATEOAS, as it's easier to version, easier for older clients to migrate, easier to be...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
....g. List<string>. Other than that, acts very much like ArrayList
Hashtable - plain old hashtable. O(1) to O(n) worst case. Can enumerate the value and keys properties, and do key/val pairs
Dictionary - same as above only strongly typed via generics, such as Dictionary<string, string>
Sor...
How to get names of classes inside a jar file?
...
Reflections doesn't work if run from an executable jar either.
– Luke
Jan 23 '18 at 13:48
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...rtion of an URL. If you use Wikipedia, you will see that most pages have a table of contents and you can jump to sections within the document with an anchor, such as:
https://en.wikipedia.org/wiki/Alan_Turing#Early_computers_and_the_Turing_test
https://en.wikipedia.org/wiki/Alan_Turing identifies ...
Why should I declare a virtual destructor for an abstract class in C++?
...t a virtual destructor.
You will eventually end up with no virtual method table, and end up signalling your clients your intention on making it non-deleteable through a pointer to it, so you have indeed reason not to declare it virtual in those cases.
[See item 4 in this article: http://www.gotw....
text-overflow:ellipsis in Firefox 4? (and FF5)
...head>
<!-- CSS setting the width of the DIV elements for the table columns. Assume that these widths could change. -->
<style type="text/css">
.div1 { overflow: hidden; white-space: nowrap; width: 80px; }
.div2 { overflow: hidden; white-space:...
stopPropagation vs. stopImmediatePropagation
... but maybe I can say this with a specific example:
Say, if you have a <table>, with <tr>, and then <td>. Now, let's say you set 3 event handlers for the <td> element, then if you do event.stopPropagation() in the first event handler you set for <td>, then all event ha...