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How can I tell when a MySQL table was last updated?
...p file in O_RDRW mode
close it again
or alternatively
use touch(), the PHP equivalent of the utimes() function, to change the file timestamp.
On page display:
use stat() to read back the file modification time.
shar...
How can I convert tabs to spaces in every file of a directory?
... I would also add a file matcher like for example for only .php files find ./ -iname "*.php" -type f -exec sed -i 's/\t/ /g' {} \;
– Daniel Luca CleanUnicorn
Mar 26 '13 at 10:04
...
Can I load a UIImage from a URL?
... is loading an image from url:
UIImageView *yourImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"loading.png"]];
[yourImageView setContentMode:UIViewContentModeScaleAspectFit];
//Request image data from the URL:
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEU...
Can I bind an array to an IN() condition?
...think soulmerge is right. you'll have to construct the query-string.
<?php
$ids = array(1, 2, 3, 7, 8, 9);
$inQuery = implode(',', array_fill(0, count($ids), '?'));
$db = new PDO(...);
$stmt = $db->prepare(
'SELECT *
FROM table
WHERE id IN(' . $inQuery . ')'
);
// bindvalu...
Semicolons superfluous at the end of a line in shell scripts?
...
| & ; ( ) < > space tab
control operator
A token that performs a control function. It is one of the following symbols:
|| & && ; ;; ( ) | |& <newline>
So, the ; can be metacharacter or control operator, while the ;; is always a contr...
Do I need to heartbeat to keep a TCP connection open?
...is using DoS attack prevention systems, it (the server) may remove all the allocated resources for that particular connection, after the it detected in-activity for a specified period.
Their no mandate to implement any heartbeat mechanisms.
But its is good if you are designing an application, wh...
Objective-C and Swift URL encoding
...'();@&+$,/?%#[]~=_-.:",kCFStringEncodingUTF8 );
NSURL * url = [[NSURL alloc] initWithString:[@"address here" stringByAppendingFormat:@"?cid=%@",encodedString, nil]];
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How do I edit an existing tag message in git?
...e of a git tag
Awk: A tutorial and introduction
SO: Filter output by first-token-of-line and extract rest-of-line with awk
SO: How to put bash line comment in a multi-line command
4. DIY
Alternatively to updating the tags, you can just delete them and create them again. As it turns out updating j...
Why do people use __(double underscore) so much in C++
...
The foregoing comments are correct. __Symbol__ is generally a magic token provided by your helpful compiler (or preprocessor) vendor. Perhaps the most widely-used of these are __FILE__ and __LINE__, which are expanded by the C preprocessor to indicate the current filename and line number. T...
Get value from JToken that may not exist (best practices)
...if you combine it with nullable value types and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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