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How to solve PHP error 'Notice: Array to string conversion in…'
...k you so much for your clear explanation. It prints out what exactly you said. It means my array has been already sent to the PHP file. Seems I can use without without any problem. Thankz again.
– t4thilina
Nov 16 '13 at 11:02
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How do I rename a column in a database table using SQL?
...can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
...
HTML if image is not found
...
The best way to solve your problem:
<img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120">
onerror is a good thing for you :)
Just change the image file name and try yourself.
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How to position a div in the middle of the screen when the page is bigger than the screen
... using something similiar to the following to get a div positioned in the middle of the screen:
16 Answers
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How to detect scroll position of page using jQuery
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Attaching events to window scroll is a bad idea : see stackoverflow.com/questions/5036850/…
– hendr1x
Jan 29 '15 at 17:12
13
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NSInvocation for Dummies?
...ting an NSInvocation object to say: "Hey, if you want to undo what I just did, send this message to that object, with these arguments". You give the NSInvocation object to the NSUndoManager, and it adds that object to an array of undoable actions. If the user calls "Undo", NSUndoManager simply looks...
Multiline strings in JSON
... control characters. As an additional example to make it more clear, consider that "\\" is an escape sequence for backslash, as opposed to a literal backslash. The JSON grammar explicitly excludes control characters (cf. the "char" definition), and instead provides for their representation via es...
How do you use $sce.trustAsHtml(string) to replicate ng-bind-html-unsafe in Angular 1.2+
...turned by a function? <p ng-bind-html="">{{description(category.id)}}</p>
– dasper
Sep 20 '13 at 7:00
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How do I auto-hide placeholder text upon focus using css or jquery?
...e this functionality when the field is disabled here is the CSS code: /* Hiding the placeholder text (if any), when the holding field is disabled */ input:disabled::-webkit-input-placeholder { color:transparent; } input:disabled:-moz-placeholder { color:transparent; } input:disabled::-moz-placehold...
Rearranging Tab Bar Controller Order in StoryBoard
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Tab dragging ! Ok I didn't even know we could drag the tabs. Not very intuitive since tabs are not selectable...
– Pierre de LESPINAY
Jun 16 '14 at 13:27
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