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Android emulator freezing OS X v10.9 (Mavericks) with HAXM
I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...
jQuery SVG vs. Raphael [closed]
I'm working on an interactive interface using SVG and JavaScript/jQuery, and I'm trying to decide between Raphael and jQuery SVG . I'd like to know
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...ncoded stuff appears to match even though the header says BEGIN PUBLIC KEY and not BEGIN RSA PUBLIC KEY. So maybe just use str_replace to fix that and you should be good to go!
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Evaluate expression given as a string
...ied. For example, if you have a pre-defined variable name equal to "David" and you reassign using eval(parse(text = "name") == "Alexander", you will get an error because eval & parse do not return an R expression that can be evaluated.
– Crt
Aug 1 '16 at 22...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
What happens to an open file handle on Linux if the pointed file meanwhile gets:
7 Answers
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Efficiency of Java “Double Brace Initialization”?
...e all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file.
The "double brace initialization", as already mentioned, is an anonymous inner class with an instance initializat...
Programmatically creating Markdown tables in R with KnitR
I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown fo...
How to parse freeform street/postal address out of text, and into components
We do business largely in the United States and are trying to improve user experience by combining all the address fields into a single text area. But there are a few problems:
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Twitter API returns error 215, Bad Authentication Data
... to obtain following keys you need to sign up with https://dev.twitter.com and create application.
<?php
$token = 'YOUR_TOKEN';
$token_secret = 'YOUR_TOKEN_SECRET';
$consumer_key = 'CONSUMER_KEY';
$consumer_secret = 'CONSUMER_SECRET';
$host = 'api.twitter.com';
$method = 'GET';
$path = '/1.1/st...
Get top 1 row of each group
...nt to:
maintain status in 2 places
preserve status history
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As it stands, you preserve status history. If you want latest status in the parent table too (which is denormalisation) you'd need a trigger to maintain "status" in the parent. or drop this status history table.
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