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PDO Prepared Inserts multiple rows in single query
...n $e){
echo $e->getMessage();
}
$pdo->commit();
Although in my test, there was only a 1 sec difference when using multiple inserts and regular prepared inserts with single value.
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]
... to define the tasks you want to do. You don't need to write a "compile", "test", "package", or "clean" step like you would have to do in Ant or a Makefile. Just put the files in the places in which Maven expects them and it should work off of the bat.
Maven also has lots of nice plug-ins that you c...
How do I remove the last comma from a string using PHP?
...
You can use substr function to remove this.
$t_string = "'test1', 'test2', 'test3',";
echo substr($t_string, 0, -1);
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How to know when UITableView did scroll to bottom in iPhone
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The best way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll):
- (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point
Test a point near the bottom of the screen, and the...
Using current time in UTC as default value in PostgreSQL
...ust put parentheses around the default expression:
create temporary table test(
id int,
ts timestamp without time zone default (now() at time zone 'utc')
);
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Is there a way to detect if an image is blurry?
...nted Simon's suggestion and this one in Mathematica, and tried it on a few test images:
The first test blurs the test images using a Gaussian filter with a varying kernel size, then calculates the FFT of the blurred image and takes the average of the 90% highest frequencies:
testFft[img_] := Tab...
How to get first character of string?
... chartAt(0) in Firefox as of Firefox 71. See for yourself here: jsperf.com/testing-the-first-character-in-a-string/1
– Stephen M Irving
Dec 16 '19 at 21:54
1
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How to delete a folder with files using Java
...}
Then you should be able to delete the folder by using index.delete()
Untested!
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Local and global temporary tables in SQL Server
... temp table is how I'd expect it to behave (coming from other DBs), but my testing shows that what actually happens in SQL Server is: "Global temporary tables are automatically dropped when the session that created the table ends and all other tasks have stopped referencing them"
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node.js, socket.io with SSL
...re('https');
var server = https.createServer({
key: fs.readFileSync('./test_key.key'),
cert: fs.readFileSync('./test_cert.crt'),
ca: fs.readFileSync('./test_ca.crt'),
requestCert: false,
rejectUnauthorized: false
},app);
server.listen(8080);
var io = require('socket.io').listen(...