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:active pseudo-class doesn't work in mobile safari

...-color: rgba(0,0,0,0);"> Testing Touch on iOS </button> Now when the button is tapped and held on iOS, the button changes to the specified color without the surrounding transparent gray color appearing. In other words, setting an ontouchstart event (even if it's empty) is explic...
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Static member initialization in a class template

... @Johannes: Dammit, I'm here for a year and I didn't know that! What else am I missing? (I still remember the shame when I discovered that the two numbers that appear when I click on the number of votes aren't a bug, but a feature.) <goes_playing> Wow, when I hover over yo...
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Any reason not to use '+' to concatenate two strings?

...n, results in unnecessary function calls which could add to the overhead. Now coming back to the question. Should one discourage the use of + over join in all cases? I believe no, things should be taken into consideration Length of the String in Question No of Concatenation Operation. And off-...
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The differences between .build, .create, and .create! and when should they be used?

....build gives you a new post associated with your Wall, and your Wall.posts now has one post in it. – Amin Ariana Dec 1 '11 at 1:12 ...
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How to resize a VirtualBox vmdk file

...e the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) and then re-add it to the instance. – Chaim Eliyah Dec 14 '17 at 22:14 ...
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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed

... the page for your account. That was my problem but everything is working now thanks to all the answers above. share | improve this answer | follow | ...
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d

...version, remove the current one and re-install, close IIS and restart IIS, now I can see "URL Rewrite". – Box Very Sep 19 '16 at 22:47 ...
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Performance surprise with “as” and nullable types

...a few machine code instructions. The cast is also easy, the JIT compiler knows the location of the value bits in the object and uses them directly. No copying or conversion occurs, all machine code is inline and takes but about a dozen instructions. This needed to be really efficient back in .NET...
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How to create a temporary directory?

... @jbg yes, it seems odd to me now too - it shouldn't be a really big problem. I might have tweaked an old version of this script so that a path to temporary directory was calculated relatively to current directory, resulting in <s>extinction of mank...
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SQL Server ':setvar' Error

...TABASE [$DatabaseName] it was simply CREATE DATABASE MYDBNAME. This script now works to create my database via executenonquery() during my first application startup after install. – Scott Jul 19 '16 at 20:56 ...