大约有 38,000 项符合查询结果(耗时:0.0338秒) [XML]
Find and extract a number from a string
...
go through the string and use Char.IsDigit
string a = "str123";
string b = string.Empty;
int val;
for (int i=0; i< a.Length; i++)
{
if (Char.IsDigit(a[i]))
b += a[i];
}
if (b.Length>0)
val = int.Parse(b);
...
Checking if form has been submitted - PHP
... type="submit" name="treasure" value="go!">
</form>
Then in the PHP handler:
if (isset($_POST['treasure'])){
echo "treasure will be set if the form has been submitted (to TRUE, I believe)";
}
share
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href image link download on click
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<a href="download.php?file=path/<?=$row['file_name']?>">Download</a>
download.php:
<?php
$file = $_GET['file'];
download_file($file);
function download_file( $fullPath ){
// Must be fresh start
if( headers_sent()...
How to get a one-dimensional scalar array as a doctrine dql query result?
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PHP < 5.5
You can use array_map, and since you only have on item per array, you can elegantly use
'current' as callback, instead of writing a closure.
$result = $em->createQuery("SELECT a.id FROM Auction a")->getS...
Why doesn't Git ignore my specified file?
...epository. You can do that by using git rm --cached sites/default/settings.php. This removes the file from the repository without physically deleting the file (that’s what the --cached does). After committing that change, the file will be removed from the repository, and ignoring it should work pr...
Cached, PHP generated Thumbnails load slowly
...t from the various waterfall graphs shown here is the main bottleneck: the PHP-generated thumbnails. The protocol-less jquery loading from CDN advised by David got my bounty, albeit making my site only 3% faster overall, and while not answering the site's main bottleneck. Time for for clarification ...
How can I selectively escape percent (%) in Python strings?
...ered May 21 '12 at 7:46
openmeet123openmeet123
42933 silver badges22 bronze badges
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Double vs single quotes
...ring:
This regex pattern will work because passed within single-quotes:
"123 ABC".match('\d')
=> #<MatchData "1">
This regex pattern will fail because passed within double-quotes (you would have to double-escape it to get it to work):
"123 ABC".match("\d")
=> nil
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htaccess Access-Control-Allow-Origin
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from my experience;
if it doesn't work from within php do this in .htaccess it worked for me
<IfModule mod_headers.c>
Header set Access-Control-Allow-Origin http://www.vknyvz.com
Header set Access-Control-Allow-Credentials true
</IfModule>
credential...
Insert current date in datetime format mySQL
..."INSERT INTO `table` (`dateposted`) VALUES (now())");
If you need to use PHP to do it, the format it Y-m-d H:i:s so try
$date = date('Y-m-d H:i:s');
mysql_query("INSERT INTO `table` (`dateposted`) VALUES ('$date')");
sha...
