https://stackoverflow.com/questions/26502775/pycharm-simplify-chained-comparison In Python you can "chain" comparison operations which just means they are "and"ed together. In your case, it'd be like this: if start <= x <= end: R…

CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way. The golden rule…

TABLE OF CONTENTS TRY COFFEESCRIPT ANNOTATED SOURCE CoffeeScript is a little language that compiles into JavaScript. Underneath all those awkward braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is a…

CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way. The golden rule…

Cannot resolve class or package ‘jdbc’ less… (Ctrl+F1) Inspection info: Checks Spring Boot application .properties configuration files. Highlights unresolved and deprecated configuration keys and invalid values. 问题:配置数据库的驱动的时候无法连接 : 原因:需要修改一下idea配置,…

http://dev.mysql.com/doc/refman/5.7/en/index-btree-hash.html Hash Index Characteristics Hash indexes have somewhat different characteristics from those just discussed: They are used only for equality comparisons that use the = or <=> operators (but…

The only legal comparisons are between two numbers, two strings, or two dates. Left  hand operand is a freemarker.template.TemplateBooleanModel$1 Right hand operand is a freemarker.template.SimpleNumber 上面的报错说的是  表达式左右两边 的类型应该一致..…

https://visualstudiogallery.msdn.microsoft.com/ad686131-47d4-4c13-ada2-5b1a9019fb6f About This is a small add-in for Visual Studio 2008. It searches and highlights substrings that are currently selected in a text editor. As a bonus, it works for Outp…

多级级联一直是前端比较烦人的一个功能,本次用jquery的插件,chained.remote实现多级级联. 应用场景:至少有二个下拉框,下拉框的个数不定. 应用步骤: 1.引入js文件,当然这个插件需要自己去下载. <!-- 多级联动 --> <script type="text/javascript" src="./static/js/jquery.chained.remote.min.js"></script> 2.两个下拉框…

自从把默认的头注释的author改成自己的名字以后越看越顺眼,但是发现名字下面一直有个波浪线,强迫症简直不能忍. 然后当你把鼠标放上去,再点击提示上的"more",会看到下面的提示: Spellchecker inspection helps locate typos and misspelling in your code, comments and literals, and fix them in one click 翻译过来就是:拼写检查器检查可以帮助查找拼写错误和拼写错误在您…