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jQuery get the location of an element relative to window
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TL;DR
headroom_by_jQuery = $('#id').offset().top - $(window).scrollTop();
headroom_by_DOM = $('#id')[0].getBoundingClientRect().top; // if no iframe
.getBoundingClientRect() appears to be universal. .offset() and .scrollTop() have bee...
Converting String to Int with Swift
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
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How do I implement a callback in PHP?
...ackage\Foo', 'method']
call_user_func does not support passing non-objects by reference, so you can either use call_user_func_array or, in later PHP versions, save the callback to a var and use the direct syntax: $cb();
Objects with an __invoke() method (including anonymous functions) fall under the...
Running Composer returns: “Could not open input file: composer.phar”
...d the next part of the page telling you to stop referring to composer.phar by its full name and abbreviate it as an executable (that you just renamed with the mv command). So this:
$ php composer.phar update friendsofsymfony/elastica-bundle
Becomes this:
$ composer update friendsofsymfony/elasti...
scheduleAtFixedRate vs scheduleWithFixedDelay
...ll not get executed concurrently with itself as per docs, but it's decided by the executor, which may be custom OR the standard ScheduledThreadPoolExecutor (and the latter has well defined behaviour)
– Ordous
Jul 9 '14 at 10:48
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Validation of radio button group using jQuery validation plugin
...me of "my options" to be selected before proceeding.
The label suggestion by Mahes, btw, works wonderfully!
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System.Security.SecurityException when writing to Event Log
...Network Service read permission on the EventLog/Security key (as suggested by Firenzi and royrules22) follow instructions from http://geekswithblogs.net/timh/archive/2005/10/05/56029.aspx
Open the Registry Editor:
Select Start then Run
Enter regedt32 or regedit
Navigate/expand to the following ...
How can I check if multiplying two numbers in Java will cause an overflow?
... This is the best answer -- use a library which was implemented by people who really understand machine arithmetic in Java and which has been tested by lots of people. Don't attempt to write your own or use any of the half-baked untested code posted in the other answers!
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Binary Data in MySQL [closed]
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The answer by phpguy is correct but I think there is a lot of confusion in the additional details there.
The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is sp...
jQuery SVG vs. Raphael [closed]
... although the project is opensoucer (GPL and MIT) it seems to be abandoned by its developer (version 1.4.5 last update 28 april 2012). jquery.svg.dom causes some of conflicts with jQuery 1.8. Ideally I would wait for someone to take over the project and hopefully put it into github
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