...s associated operations (union, intersection, difference on multiple sets, etc ...). It is quite easy to implement a basic faceted search or tagging engine on top of this feature, which is an interesting addition to MongoDB more traditional indexing capabilities. Redis supports efficient blocking po...

...fer static type checking (check for completeness and distinctness of cases etc.). A visitor pattern is verified by the type checker, and usually makes the client code simpler. – Konrad Rudolph Feb 16 '14 at 15:52 ...

...ypt.Security 安全性扩展 这是关于App Inventor和Thunkable安全性的扩展，它提供MD5哈希，SHA1和SHA256哈希，AES加密/解密，RSA加密/解密，BASE64编码/解码方法。 权限 此扩展程序不需要任何权限。 事件 OnErrorOccured 抛出任何异常时将触...

...is in the app directory so you can cd there are run find/grep/xargs/ag/ack/etc and not be distracted by third party matches Use simple and obvious naming npm now seems to require all-lowercase package names. I find this mostly terrible but I must follow the herd, thus filenames should use kebab-c...

... do the job quicker than Controller, View, Model, AutoMapper to ViewModel, etc. – Craig Brett Sep 12 '14 at 10:15 11 ...

... necessary to go from version 1 to version 2, then version 2 to version 3, etc... until it is up to date. An easy way to do this is to have a switch statement where each "case" statement updates the database by one version. You "switch" to the current database version, and the case statements fall...

只有程序员能看懂的笑话程序员A：哥们儿，最近手头紧，借点钱？ 程序员B：成啊，要多少？ 程序员A：一千行不？ 程序员B：咱俩谁跟谁！给你凑个 整，这一千零二 程序员A：“哥们儿，最近手头紧，借点钱？” 程序员B：“...

...！” 科比惊呆了 一位中国学生问科比:“请问您成功的秘诀是什么？”科比说:“你知道早晨四点的城市是什么样吗？”学生:“知道，一般那时候我还没睡，怎么了？”科比:“没，没什么。。。”如何收场？班主任课前都会...

MFC中使用CSplitterWnd分割窗口后视图大小的问题使用CSplitterWnd对框架窗口进行分割之后需要根据需求设置每个分割窗口的大小，但是在通过createView(...)设置大小时，往往起不到想要的结...使用CSplitterWnd对框架窗口进行分割之后需要...

CFormView 不显示、空白显示的问题有时，CFormView会出现不显示、空白显示的问题，尤其是在View中没有可显示的控件的时候（自绘控件除外）。这时在rc对话框资源中添加一个But...有时，CFormView会出现不显示、空白显示的问题，尤...