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Select row with most recent date per user
... WHERE t2.user = t1.user
ORDER BY t2.id DESC
LIMIT 1)
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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@dfeuer Try asking for the type in ghci. You'll see by the speed of the response that it must be doing the appropriate sharing. I suspect this sharing is lost--for obvious reasons--once you translate to some other intermediate representation (e.g. core).
–...
How may I reference the script tag that loaded the currently-executing script?
...Does not work with modules <script type="module">
2. Select script by id
Giving the script an id attribute will let you easily select it by id from within using document.getElementById().
<script id="myscript">
var me = document.getElementById('myscript');
</script>
Benefits...
Android custom dropdown/popup menu
...etContentView(R.layout.activity_main);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Creating the instance of PopupMenu
PopupMenu pop...
How to check if a Constraint exists in Sql server?
...s to it. Also, you can just use this system stored procedure on any table by using it like EXEC sp_helpconstraint YourTableNameHere.
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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I got over my problem by eliminating the "FROM" It looked more like this: UPDATE table1 NATURAL JOIN table2 SET table1.col1 = table1.col2 WHERE table2.col3 ="condition"
– 2NinerRomeo
Mar 4 '15 at 20:49
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You can't specify target table for update in FROM clause
...e started, or the inner query might use data that has already been updated by the query as it's in progress. Neither of these side-effects is necessarily desirable, so the safest bet is to force you to specify what will happen using an extra table.
– siride
Mar...
Explicitly set Id with Doctrine when using “AUTO” strategy
...information and works for Doctrine 2.4.1, but the second line as mentioned by @gphilip should be removed.
– Mantas
Dec 10 '13 at 21:22
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using ignore Duplicates on the unique index as suggested by IanC here was my solution for a similar issue, creating the index with the Option WITH IGNORE_DUP_KEY
In backward compatible syntax
, WITH IGNORE_DUP_KEY is equivalent to WITH IGNORE_DUP_KEY = ON.
Ref.: index_option
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Modifying location.hash without page scrolling
... You need to defuse the node ID, until the hash has been set. This is done by removing the ID off the node while the hash is being set, and then adding it back on.
hash = hash.replace( /^#/, '' );
var node = $( '#' + hash );
if ( node.length ) {
node.attr( 'id', '' );
}
document.location.hash = h...