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App Inventor 2 数据库方案全览：从本地存储到云端服务 - App应用开发 - 清...
...：原生组件
- 数据方案：本地存储（仅App卸载删除）
- 是否支持数据变更事件：否
- 特点：用法简单
- 业务支撑级别：小型本地KV数据存储
微数据库（TinyDB）是最基础的数据存储方式，采用键值对（Key-Value）模式，使用起...
What does multicore assembly language look like?
...res are part of the architectural state of logical processors within Intel 64 or IA-32 processors
supporting Intel Hyper-Threading Technology. The features can be subdivided into three groups:
Duplicated for each logical processor
Shared by logical processors in a physical processor
Sh...
互联网造车运动 - 资讯 - 清泛网 - 专注C/C++及内核技术
...初步完成，并迎来了实质性落地。“希望大家知道，我们是真的在造车，而且还要打造一个全新的汽车生态。”贾跃亭强调。
乐视超级汽车联合创始人、中国及亚太区CEO丁磊也在当天公布了超级汽车研发、生产、制造等方面的...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...
You get this warning if you compile on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since NSInte...
dd: How to calculate optimal blocksize? [closed]
...enough block size lets dd do a good job, and the differences between, say, 64 KiB and 1 MiB are minor, compared to 4 KiB versus 64 KiB. (Though, admittedly, it's been a while since I did that. I use a mebibyte by default now, or just let dd pick the size.)
...
Convert pem key to ssh-rsa format
...on
CentOS release 6.5 (Final)
Linux test1.example.local 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
OpenSSL 1.0.1e-fips 11 Feb 2013
References:
Sysmic.org Convert keys betweens GnuPG, OpenSsh and OpenSSL
...
用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
首先，要明确两个基本概念。
一张网页的全部面积，就是它的大小。通常情况下，网页的大小由内容和CSS样式表决定。
浏览器窗口的大小，则是指在浏览器窗口中看到的那部分网页面积，又叫做viewport（视口）。
很显然，如...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC的多国语言界面的实现目前很多软件都是要出口到多个国家，因此，为软件提供多国语言支持就成为了一个基本条件。为软件提供多国语言的支持的具体实现方法有很多，...目前很多软件都是要出口到多个国家，因此，为软件...
Where is git.exe located?
...ion of "git-for-windows", like:
PortableGit-2.4.4.2-3rd-release-candidate-64-bit.7z.exe
Then add to %PATH%:
c:\path\to\PortableGit-2.4.4.2-3rd-release-candidate-64-bit\cmd
c:\path\to\PortableGit-2.4.4.2-3rd-release-candidate-64-bit\usr\bin
You will not only get git.exe, but also 200+ executabl...
rgdal package installation
...
tflutre
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answered Mar 6 '13 at 13:42
jubajuba
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