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An error occurred while installing pg (0.17.1), and Bundler cannot continue
... under mac OSX Mavericks, having the postgres app (Version 9.2.2.0 ) from www.postgresapp.com installed. The underlying problem was simpy that the since postgres was installed via the app, the configuration file resides on a location which is not the default one when installing it without postgress...
how to debug the js in jsfiddle
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Is it possible to style html5 audio tag?
...good enough for me; see this example (warning, audio plays automatically): www.thenewyorkerdeliinc.com
postgresql - sql - count of `true` values
...unt(nullif(myCol, false)), -- count true values
count(myCol);
http://www.postgresql.org/docs/9.0/static/functions-conditional.html
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Background color of text in SVG
...
SVGRect = textElm.getBBox();
var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
rect.setAttribute("x", SVGRect.x);
rect.setAttribute("y", SVGRect.y);
rect.setAttribute("width", SVGRect.width);
rect.setAttribute("height", SVGRect.height);
rect.setAttribut...
常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...的博客《Git常用命令备忘》
作者： tailang
源自：http://www.jianshu.com/p/0f2ffa404ac1
Git命令
Testing the type of a DOM element in JavaScript
...3 is actually a text node and nodeType of 1 is an HTML element. See http://www.w3schools.com/Dom/dom_nodetype.asp
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How can I generate a list of files with their absolute path in Linux?
....*
this for everything:
ls -d -1 "$PWD/"**/*
Taken from here
http://www.zsh.org/mla/users/2002/msg00033.html
In bash, ** is recursive if you enable shopt -s globstar.
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How do you use variables in a simple PostgreSQL script?
...documentation.
You can use new PG9.0 anonymous code block feature (http://www.postgresql.org/docs/9.1/static/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$...
Android canvas draw rectangle
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...