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Using a piano keyboard as a computer keyboard [closed]
... ton of info and help out there for Arduino. It is a hardware hacking platform built for newbies. It will only get bigger now that Google is pushing Arduino.
EDIT: Virtual USB Keyboard software and hardware
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Automatic counter in Ruby for each?
...to each personally anyway. Partly because its easy to transition to other forms when you hits the limit of the for syntax.
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What's “this” in JavaScript onclick?
...pt:func(this)">here</a>
You should use the onclick="func(this)" form in preference to this though. Also note that in my example above using the javascript: pseudo-protocol "this" will refer to the window object rather than the <a> element.
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Refresh a page using PHP
...e, especially if you have images on the page. If you only need to update information on the screen, like stock prices, but not use that information in a form or from javascript, perhaps use an iframe tag pointing to a page with just the information being updated, and with a delay appropriate to how ...
Insert space before capital letters
...regex, you can use the following code from Javascript camelCase to Regular Form
"thisStringIsGood"
// insert a space before all caps
.replace(/([A-Z])/g, ' $1')
// uppercase the first character
.replace(/^./, function(str){ return str.toUpperCase(); })
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How can I trim beginning and ending double quotes from a string?
... I'm not sure how that's a problem considering the question in its current form.
– BalusC
May 16 '15 at 17:40
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Adding minutes to date time in PHP
...t;add(new DateInterval('PT' . $minutes_to_add . 'M'));
$stamp = $time->format('Y-m-d H:i');
The ISO 8601 standard for duration is a string in the form of P{y}Y{m1}M{d}DT{h}H{m2}M{s}S where the {*} parts are replaced by a number value indicating how long the duration is.
For example, P1Y2DT5S ...
How to add a primary key to a MySQL table?
... will fail.
To add a primary key constraint to an existing column use the form:
ALTER TABLE `goods`
MODIFY COLUMN `id` INT(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;
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How to save picture to iPhone photo library?
... thing to remember: If you use a callback, make sure that your selector conforms to the following form:
- (void) image: (UIImage *) image didFinishSavingWithError: (NSError *) error contextInfo: (void *) contextInfo;
Otherwise, you'll crash with an error such as the following:
[NSInvocation setA...
Do I need Content-Type: application/octet-stream for file download?
...will not open a "file save" window for you if this is your response from a form, regardless of including "Content-Disposition: attachment", even with "application/octet-stream" as the content-type. And then they print a message saying you may be under attack... There is just no way of it letting me ...