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Django queries - id vs pk
...ry key field i.e. you don't need to care whether the primary key field is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...览现代Web前端页面，由中文网更新及维护，基于开源项目开发。
原生 Web浏览器 组件无法正常浏览部分现代Web页面，无法浏览带端口url的页面，这款拓展统统解决。
.aix 拓展下载：
cn.fun123.CustomWebView.aix
基础使用方法：
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64-bit version of Boost for 64-bit windows
...icrosoft SDK Command prompt and use "setenv /Release /x64" which redefines all the paths.
– Budric
Dec 13 '11 at 16:59
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Case objects vs Enumerations in Scala
... deal with an Option[Currency] type that would clearly indicate there is really a matching problem and "encourage" the user of the API to sort it out him/herself.
To follow up on the other answers here, the main drawbacks of case objects over Enumerations are:
Can't iterate over all instances of t...
Python extending with - using super() Python 3 vs Python 2
Originally I wanted to ask this question , but then I found it was already thought of before...
5 Answers
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define() vs. const
...est explanation I've seen, especially the part most people forget (compile vs. runtime).
– James
Feb 4 '17 at 23:15
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
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It doesn't look like WITH CHECK is actually the default, it's only the default for new data. From msdn.microsoft.com/en-us/library/ms190273.aspx: "If not specified, WITH CHECK is assumed for new constraints, and WITH NOCHECK is assumed for re-enabled constraints."...
技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...
...点的项目。每一个项目都必须要把设计文档写出来，并且开发后的东西刚开始必须要审核，审核通过后才能发布。这样团队成员在这样的发展中逐步成长起来，也完成了公司的产品。不过作为导师和技术总监也需要给每一个新员...
Multiprocessing - Pipe vs Queue
... as a bonus; JoinableQueue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks in the queue), so that queue.join() knows the work is finished.
The code for each at bottom of this answer...
mpenning@mpenning-T61:~$ pyt...
_DEBUG vs NDEBUG
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+1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...