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What's the meaning of exception code “EXC_I386_GPFLT”?

... such a way that the upper 16 bits of the address aren't all copies of the top of the lower 48 bits (in other words, the top 16 bits of an address should all be 0 or all 1, based on the bit just below 16 bits). This rule is in place to guarantee that the architecture can "safely expand the number of...
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What is a dependency property?

... The only explanation I found helpful and well written is this one: http://www.wpftutorial.net/dependencyproperties.html Basically, DependencyProperties differ from regular properties in that they're not just setters / getters for fields in the class, but they retrieve their actual values dynamical...
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How to Vertical align elements in a div?

... height, you can make its position absolute and specify its height, margin-top and top position. jsfiddle example If the centered element consists of a single line and its parent height is fixed you can simply set the container’s line-height to fill its height. This method is quite versatile in my...
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Background image jumps when address bar hides iOS/Android/Mobile Chrome

...ress bar is hidden. It's stupid that this jump occurs after the scrolling stops. It just looks buggy. I ended up using transition on the height to make it seem intentional. – ProblemsOfSumit Oct 28 '14 at 11:41 ...
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Is it faster to count down than it is to count up?

...ly: for (i = 0; i < 10; i++) { foo(i); } turns into clear i top_of_loop: call foo increment i compare 10, i jump_less top_of_loop while: for (i = 10; i >= 0; i--) { foo(i); } turns into load i, 10 top_of_loop: call foo decrement i jump_not_...
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How to position a table at the center of div horizontally & vertically

...o center it vertically, the only way is to use javascript: var tableMarginTop = Math.round( (testHeight - tableHeight) / 2 ); $('table').css('margin-top', tableMarginTop) # with jQuery $$('table')[0].setStyle('margin-top', tableMarginTop) # with Mootools No vertical-align:middle is possible as a ...
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Is it possible to change only the alpha of a rgba background colour on hover?

...work if you use a plain white background as they're really adding white on top rather than reducing opacity. The first one should work fine for everything provided: you aren't already using the psuedo-element for something; and you can set position to relative or absolute on the <div> tag ...
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HTML inside Twitter Bootstrap popover

...emove HREF href="#" on the ANCHOR tag elements to prevent scrolling to the top of the page! – peter_pilgrim Aug 3 '16 at 17:05 ...
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Open link in new tab or window [duplicate]

...It works, however W3Schools says there is no such target attribute: http://www.w3schools.com/tags/att_a_target.asp EDIT2: From what I've figured out from the comments. setting target to _blank will take you to a new tab or window (depending on your browser settings). Typing anything except one of t...
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WordPress is giving me 404 page not found for all pages except the homepage

...hanged the file /etc/apache2/apache2.conf in section: <Directory "/var/www/html"> Line changed is: AllowOverride None to AllowOverride All And restart the web server with systemctl restart apache2 share ...