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B-Tree vs Hash Table
...K they evolved from scalable replication where re-hashing is not easy.
Its called RUSH - Replication Under Scalable Hashing, and those algorithms are thus called RUSH algorithms.
However there may be a point where your index exceeds a tolerable size compared to your hash sizes and your entire index...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
... you want to know with regard to a specific dbms product. Then you need to identify it. But I imagine the most likely answer is that you'll get back something like "a.id, b.id" since that's how you'd need to identify the columns in your SQL expression. And the easiest way to find out what the defaul...
How to check Google Play services version?
...ue: 3225000 (0x003135a8)
So, when you set that in your manifest and then call isGooglePlayServicesAvailable(context):
public static int isGooglePlayServicesAvailable (Context context)
Verifies that Google Play services is installed and enabled on this device,
and that the version in...
How do I perform an insert and return inserted identity with Dapper?
How do I perform an insert to database and return inserted identity with Dapper?
7 Answers
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How can I remove a button or make it invisible in Android?
How can I remove a button in Android, or make it invisible?
14 Answers
14
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How can you represent inheritance in a database?
...--+---------------------+----------+----------------+------------------+
| id | date_issued | type | vehicle_reg_no | property_address |
+------+---------------------+----------+----------------+------------------+
| 1 | 2010-08-20 12:00:00 | MOTOR | 01-A-04004 | NULL ...
how to use ng-option to set default value of select element
... modifications and then persist the changes.
<select ng-options="opt.id as opt.name for opt in users" ng-model="selectedUser"></select>
Check the example here:
http://plnkr.co/edit/HrT5vUMJOtP9esGngbIV
sha...
SQL RANK() versus ROW_NUMBER()
...bout the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...'t, postfix is much better. An example would be an iterator where you typically use: for(pos=c.begin(); ...; ++pos) {} instead of pos++
– Eric
Oct 2 '10 at 16:28
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How to disable HTML links
...d add click event handlers to all td as that might be disabled, which will call event.preventDefault() if $(this).data('disabled') is true, and then set data('disabled', true) to any link I want to disable (false to enable, etc.)
– ori
Apr 23 '12 at 7:15
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