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How to calculate the SVG Path for an arc (of a circle)
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Expanding on @wdebeaum's great answer, here's a method for generating an arced path:
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;
return...
Passing parameters to JavaScript files
Often I will have a JavaScript file that I want to use which requires certain variables be defined in my web page.
14 Answe...
Rails: where does the infamous “current_user” come from?
I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
I'm trying to parse a JSON string like this one
10 Answers
10
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Re-sign IPA (iPhone)
I currently build all my applications with hudson using xcodebuild followed by a xcrun without any problems
11 Answers
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Having both a Created and Last Updated timestamp columns in MySQL 4.0
I have the following table schema;
11 Answers
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How can one use multi threading in PHP applications
Is there a realistic way of implementing a multi-threaded model in PHP whether truly, or just simulating it. Some time back it was suggested that you could force the operating system to load another instance of the PHP executable and handle other simultaneous processes.
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Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
I have the following code which repeats and displays the name of the user and his score:
13 Answers
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How to check if field is null or empty in MySQL?
I am trying to figure out how to check if a field is NULL or empty . I have this:
7 Answers
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...frm、ibd存在就可以恢复部分数据。注意：
一、这个是对innodb的数据恢复。myisam不需要这么麻烦，只要数据文件存在直接复制过去就可以。
二、大家的mysql数据库必须是按表存放数据的，默认不是，但是大家生产肯定是按分表设...