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MySQL, Check if a column exists in a table with SQL
...his works well for me.
SHOW COLUMNS FROM `table` LIKE 'fieldname';
With PHP it would be something like...
$result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'");
$exists = (mysql_num_rows($result))?TRUE:FALSE;
...
Adjust UILabel height depending on the text
...easing the height of the label.
A sample:
...
UILabel *status = [[UILabel alloc] init];
status.lineBreakMode = NSLineBreakByWordWrapping;
status.numberOfLines = 5; // limits to 5 lines; use 0 for unlimited.
[self addSubview:status]; // self here is the parent view
status.preferredMaxLayoutWidth =...
How to store values from foreach loop into an array?
... Declaring $items = array(); before foreach is not even necessary, right? php will just create an empty array
– BassMHL
Oct 2 '17 at 2:25
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...r: String!) -> AnyObject! // Used by the delegate to acquire an already allocated cell, in lieu of allocating a new one.
That's determined by the exclamation mark after AnyObject:
AnyObject!
So, first thing to consider is, what is an "Implicitly Unwrapped Optional"?
The Swift Programmin...
Understanding Magento Block and Block Type
...tml. This is probably found in the file app/code/core/Mage/Page/Block/Html.php because class names translate directly to locations in Magento.
Were you using a model alias instead of a block alias then page would be Mage_Page_Model instead. The same thing happens for resource models and helpers too...
PHP: Storing 'objects' inside the $_SESSION
... is made, the class declaration/definition has already been encountered by PHP or can be found by an already-installed autoloader. otherwise it would not be able to deserialize the object from the session store.
share
...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
...w.tableHeaderView = nil;, I do:
self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, self.tableView.bounds.size.width, 0.01f)];
I like this solution better than setting a somewhat arbitrary contentInset.top because I use the contentInset.top dynamically as well. ...
What is non-blocking or asynchronous I/O in Node.js?
...chronous, blocking operations is how some web servers like ones in Java or PHP handle IO or network requests. If your code reads from a file or the database, your code "blocks" everything after it from executing. In that period, your machine is holding onto memory and processing time for a thread th...
Show a PDF files in users browser via PHP/Perl
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<?php header('Content-type: application/pdf'); header('Content-Disposition: inline; filename="the.pdf"'); readfile('/dir/to/the.pdf'); ?>
– dimassony
Jan 13 '11 at 13:10
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`Apache` `localhost/~username/` not working
...
FYI, if you're trying to use PHP on Yosemite, you'll likely have to uncomment the following line from /etc/apache2/httpd.conf: LoadModule php5_module libexec/apache2/libphp5.so
– Joshua Pinter
Sep 6 '14 at 1:01
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