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What is the size of an enum in C?
...nt C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constant expression that has a value representable as an int.
[...]
Eac...
Postgresql: password authentication failed for user “postgres”
... From the Comprehensive manual, postgresql.org/files/documentation/pdf/12/postgresql-12-A4.pdf, section 20.5: "If no password has been set up for a user, the stored password is null and password authentication will always fail for that user.". Thus, since the installation doesn't ask for a p...
Getting LaTeX into R Plots
...s a few years ago by outputting to a .fig format instead of directly to a .pdf; you write the titles including the latex code and use fig2ps or fig2pdf to create the final graphic file. The setup I had to do this broke with R 2.5; if I had to do it again I'd look into tikz instead, but am including...
Scala type programming resources
...onstructs can be found in the types section of the scala reference manual (pdf).
Adriaan Moors has several academic papers about type constructors and related topics with examples from scala:
Generics of a higher kind (pdf)
Type Constructor Polymorphism for Scala: Theory and Practice (pdf) (PhD t...
Django get the static files URL in view
I'm using reportlab pdfgen to create a PDF. In the PDF there is an image created by drawImage . For this I either need the URL to an image or the path to an image in the view. I managed to build the URL but how would I get the local path to the image?
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那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...更多人受益。
技术是你的安身立命之本
这是大学时候中文系的王老师对我说的。当时我基本不怎么上计算机的专业课，晚自习看原版教材，白天在图书馆泡着，外加去中文系听课。对从小只接受过自然科学教育的人来说，不...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
ZMQ: 基本原理0MQ-The-Theoretical-Foundation介绍与其他的基于常规理论基础的（集中）通信系统不同，几乎没有分布式通信系统的什么资料，ØMQ(ZeroMQ)是感兴趣的读者少数能请举出...
介绍
与其他的基于常规理论基础的...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
I am using 3rd party file manager to pick a file (PDF in my case) from the file system.
17 Answers
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What is “pom” packaging in maven?
...acts
Think of a "documentation" project, the primary artifact might be a PDF, but it's already built, and the work to declare it as a secondary artifact might be desired over the configuration to tell maven how to build a PDF that doesn't need compiled.
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C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注IT技能提升
...型的完全限定名称和定义程序集的完整名称（包括包称、版本、公钥标记、区域性），这些数据使得在进行二进制格式反序列化时亦会进行类型检查。SOAP格式序列化通过使用XML命名空间来持久化原始程序集信息。而XML格式序列...