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What are OLTP and OLAP. What is the difference between them?
Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it.
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Where is my .vimrc file?
...ng is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
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Git SSH error: “Connect to host: Bad file number”
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After having this problem myself, I found a solution that works for me:
Error message:
ssh -v git@github.com
OpenSSH_5.8p1, OpenSSL 1.0.0d 8 Feb 2011
debug1: Connecting to github.com [207.97.227.239] port 22.
debug1: connect to address 207.97.227.239 port 22: Connection tim...
Store JSON object in data attribute in HTML jQuery
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instead of embedding it in the text just use $('#myElement').data('key',jsonObject);
it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway.
To get the JSON back don't parse it, just call:
var getBackMyJSON = $('#myElement').da...
Error installing mysql2: Failed to build gem native extension
I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:
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How can I tell when HttpClient has timed out?
As far as I can tell, there's no way to know that it's specifically a timeout that has occurred. Am I not looking in the right place, or am I missing something bigger?
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How can I center an absolutely positioned element in a div?
I need to place a div (with position:absolute; ) element in the center of my window. But I am having problems doing so, because the width is unknown .
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What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...ed Jan 13 '17 at 14:03
displayname
16.7k2626 gold badges128128 silver badges251251 bronze badges
answered Aug 21 '10 at 22:07
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How can I get form data with JavaScript/jQuery?
...nswered Feb 16 '10 at 21:26
chelmertzchelmertz
18.1k44 gold badges3838 silver badges4545 bronze badges
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How to annotate MYSQL autoincrement field with JPA annotations
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To use a MySQL AUTO_INCREMENT column, you are supposed to use an IDENTITY strategy:
@Id @GeneratedValue(strategy=GenerationType.IDENTITY)
private Long id;
Which is what you'd get when using AUTO with MySQL:
@Id @GeneratedValue(strategy=Generation...