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How do I check to see if a value is an integer in MySQL?
...ay to check to see if a value is an integer? Something like is_int() in PHP is what I am looking for.
11 Answers
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Why can't I save CSS changes in Firebug? [closed]
... on demand to your web server (by communication with a one-file webservice php script).
Documentation can be found at my homepage or on the addon page
I would appreciate any testing, bug reports, comments, ratings, discussion on this, as it's still in early beta, but should already work fine.
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Create a “with” block on several context managers? [duplicate]
Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket.
You can acquire them by:
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What is the benefit of zerofill in MySQL?
...rkByers, Practically speaking though, wouldn't most client-libraries (e.g. PHP) simply strip the zeros off before they hand it over to the application code? If so, then it really seems somewhat pointless. A bad design in the early days of MySQL.
– Pacerier
May...
DbEntityValidationException - How can I easily tell what caused the error?
... My Create View errors on base.SaveChanges() which is in the try block. It never jumps into the catch block. I got your code to over ride SaveChanges but it never gets into the Catch Block on error.
– JustJohn
Oct 21 '15 at 0:42
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How to cancel/abort jQuery AJAX request?
...ct
return $def.promise();
}
// initiate first call
singleAjax('/ajax.php', {a: 1, b: 2})
.always(function(a,b,c) {console && console.log(a,b,c);});
// second call kills first one
singleAjax('/ajax.php', {a: 1, b: 2})
.always(function(a,b,c) {console && console.log(a,b,...
Detect when an image fails to load in Javascript
...y wouldn't try and load an image that isn't there.
– PHP Guru
Feb 12 at 19:29
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Extracting text OpenCV
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Here is an alternative approach that I used to detect the text blocks:
Converted the image to grayscale
Applied threshold (simple binary threshold, with a handpicked value of 150 as the threshold value)
Applied dilation to thicken lines in image, leading to more compact objects and less...
How to enable Bootstrap tooltip on disabled button?
...er has display:inline then the tooltip doesn't seem to work. Using display:block and display:inline-block seem to work fine. It also appears to work fine with a floated wrapper.
UPDATE Here's an updated JSFiddle that works with the latest Bootstrap (3.3.6). Thanks to @JohnLehmann for suggesting poi...
ALTER TABLE without locking the table?
...f the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", like adding a column in such a way that the table is still updatable throughout the process?
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