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Datatable vs Dataset
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One feature of the DataSet is that if you can call multiple select statements in your stored procedures, the DataSet will have one DataTable for each.
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MySQL pagination without double-querying?
...p a lot.
The other way is to use SQL_CALC_FOUND_ROWS clause and then call SELECT FOUND_ROWS(). apart from the fact you have to put the FOUND_ROWS() call afterwards, there is a problem with this: There is a bug in MySQL that this tickles that affects ORDER BY queries making it much slower on large t...
Why do people hate SQL cursors so much? [closed]
...arts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation.
Using higher-level "set-based operators" bundles the cursor results into a single result set, meaning less API back-and-forth.
Cursor...
What is the Oracle equivalent of SQL Server's IsNull() function?
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Instead of ISNULL(), use NVL().
T-SQL:
SELECT ISNULL(SomeNullableField, 'If null, this value') FROM SomeTable
PL/SQL:
SELECT NVL(SomeNullableField, 'If null, this value') FROM SomeTable
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Work on a remote project with Eclipse via SSH
...pective in Eclipse:
Define a new connection and choose SSH Only from the Select Remote System Type screen in the New Connection dialog.
Enter the connection information then choose Finish.
Connect to the new host. (Assumes SSH keys are already setup.)
Once connected, drill down into the host's Sft...
Create a tag in a GitHub repository
...he target when you publish this release. Also UI will provide an option to select the branch/commit
Select branch or commit
Check "This is a pre-release" checkbox for qa tag and uncheck it if the tag is created for Prod tag.
After that click on "Update Release"
This will create a new Tag within the ...
List all commits (across all branches) for a given file
... a file and show its branch graph in SourceTree? Right click on a file and select "Log Selected..." doesn't show history on all branches.
– aleung
Mar 13 '17 at 8:45
add a com...
Javascript Drag and drop for touch devices [closed]
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The fact that you have simply used a different selector does not warrant being a separate answer, but instead you should have commented on @gregpress's answer.
– bPratik
Sep 28 '12 at 23:55
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Change a Git remote HEAD to point to something besides master
...inking about these specific services.
Now they have a drop-down menu for selecting the HEAD branch at http://repo.or.cz (example: http://repo.or.cz/editproj.cgi?name=for-me-and-for-all_imz.git);
and at http://gitorious.org, too (look somewhere in the settings);
and at http://GitHub.com: admin >...
MySQL - length() vs char_length()
... in two bytes. Or UTF-8, where the number of bytes varies. For example:
select length(_utf8 '€'), char_length(_utf8 '€')
--> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
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