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How can I get the external SD card path for Android 4.0+?
...unt")
.redirectErrorStream(true).start();
process.waitFor();
final InputStream is = process.getInputStream();
final byte[] buffer = new byte[1024];
while (is.read(buffer) != -1) {
s = s + new String(buffer);
}
is.close();
...
When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
How to decide font color in white or black depending on background color?
...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0....
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...就带了shell解释器。
Mac OS
Mac OS不仅带了sh、bash这两个最基础的解释器，还内置了ksh、csh、zsh等不常用的解释器。
Windows上的模拟器
windows出厂时没有内置shell解释器，需要自行安装，为了同时能用grep, awk, curl等工具，最好装一...
为什么你有10年经验，但成不了专家？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...电话』都有很多技巧、有很多可以提升的地方。
这些基础任务所有人都可以做到60分，但如果你想成为专家，那么在其他做到60分后进入『自动完成』模式时，你的机会来了——你要做的是精益求精，利用任务刻意练习刚学会...
How do you implement a good profanity filter?
...t, search queries, and situations where the input text can potentially contain profanity or undesirable language. Oftentimes this needs to be filtered out.
...
Why should weights of Neural Networks be initialized to random numbers? [closed]
I am trying to build a neural network from scratch.
Across all AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
...
App Inventor 2 列表代码块 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 列表代码块 ...
Case insensitive searching in Oracle
...
There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes.
Ultimately what method you choose is dependent on your individual circumstances; the main thing to remember is that to improve performa...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...re layer
core层是PDF解析和解释核心功能，是所有其它层的基础
web/
cmaps/
character maps(required by core)
字符映射（core层需要的资源）
compatibility.js
polyfills for missing features
Polyfilling ...