I am developing a mathematical parser which is able to evaluate String like \'5+开发者_如何学编程b*sqrt(c^2)\'. I am using ANTLR for the parsing and make good progress. Now I fell over the Java class
How do you implement a \"similar items\" system for items described by a set of tags? In my database, I have three tables, Article, ArticleTag and Tag.开发者_开发技巧 Each
I have the start point (x1,y1) and the desired length and angle of the line. If the angles were directions, 0 degrees is W, 90 is N, 180 is E and 270 is S. I can modify this if needed.
I\'m an inspector at a machine shop. I have an html report generated by another inspector that has some problems I need to fix. This isn\'t the first time: I need something better than PowerShell and
I\'m trying to figure out some calculations using arcs in 3d space but am a bit lost. Lets say that I want to animate an arc in 3d sp开发者_运维技巧ace to connect 2 x,y,z coordinates (both coordinates
In AS3, I have a Sprite that has a Z axis rotation applied开发者_运维技巧. How do I calculate that Sprite\'s dimensions (it\'s original size) from Sprite.rotationZ and Sprite.getRect(...)?sprite.widt
I have a 256x256 texture in my view frustum that I need to move to a z-position where the texture is replicated on-screen at ACTUAL size.
I\'m try开发者_StackOverflow社区ing to trap the degrees that are X distance (fig: 45) away from a given degree (fig: 15). I\'m getting caught up in the 360/0 wrap around. The given degrees are all nor
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I am trying to utilize the example cited here: http://www.physicsforums.com/showthread.php?t=248191 I wrote a simple javascript that takes advantage of this example (or at least I intended it to), ho
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