大约有 3,000 项符合查询结果(耗时:0.0107秒) [XML]

https://stackoverflow.com/ques... 

How can I extract embedded fonts from a PDF as valid font files?

...m << /Length1 778552 /Length 1581435 /Filter /ASCIIHexDecode >> This pdf-parser.py output tells us that this object contains a stream (which it will not directly display) that has a length of 1.581.435 Bytes and is encoded ( == "compressed") with ASCIIHexEncode and ...
https://stackoverflow.com/ques... 

Generating an MD5 checksum of a file

...f.read(4096), b""): hash_md5.update(chunk) return hash_md5.hexdigest() Note: hash_md5.hexdigest() will return the hex string representation for the digest, if you just need the packed bytes use return hash_md5.digest(), so you don't have to convert back. ...
https://www.tsingfun.com/it/tech/506.html 

Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

....parentNode.insertBefore(ga, s); })(); </script> 这样全站的访问数据就会提交到Google Analytics的服务器。 一个星期后,我们发现Google Analytics对国内的搜索引擎识别不好,于是又添加了如下的代码: _gaq.push( ["_addOrganic", "baidu", "word"]...
https://www.tsingfun.com/it/cpp/614.html 

浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术

...时候把23位取出再加 1便可。 -128也是同样的原理,当数据总线从内存中取出的是1000 000 ,CPU会给它再添最高一位,变为1 1000 0000 这样才能转化为 -128输出,不然1000 0000 如何输出?这当然是我的一种推断,具体怎么实现还得...
https://stackoverflow.com/ques... 

How can I unit test Arduino code?

...unsigned int i = 0; i &lt; size; i++ ){ cout &lt;&lt; setw(2) &lt;&lt; hex &lt;&lt; (unsigned int)buf[i] &lt;&lt; " "; } cout &lt;&lt; endl; cout.flags(oldFlags); cout.precision(oldPrec); cout.fill(oldFill); return size; } FakeSerial Serial; and finally, the actual test program:...
https://stackoverflow.com/ques... 

Python read-only property

...t__(self, name): self.name = name self.dict_name = uuid4().hex self.initialized = False def __get__(self, instance, cls): if instance is None: return self else: return instance.__dict__[self.dict_name] def __set__(self, instan...
https://www.tsingfun.com/ilife/tech/1138.html 

唱吧CEO陈华:创业初期不要找最贵的人 - 资讯 - 清泛网 - 专注C/C++及内核技术

...,他们可能想的更对。有时候项目隔一两个月回头一看,数据真好,用户又涨了很多,收入也涨了很多,这就是我要的;如果一个团队每天都缠在里面,花巨大精力,过一两个月发现,结果也不怎么样。这样管理的话,团队没有...
https://www.tsingfun.com/ilife/idea/440.html 

微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术

...在那之后,平台性的应用整合越来越多,从照片流的云端数据同步开始;FaceTime、iMessage的跨平台接受通讯;再到浏览器、办公软件的Hand-off功能,甚至到现在OS X Yosemite用Mac可以借助手机直接拨打电话。OS X的策略十分明确,就是...
https://www.tsingfun.com/it/cpp/464.html 

深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...一样的话,就会出现乱码问题。 我们的Web系统,从底层数据库编码、Web应用程序编码到HTML页面编码,如果有一项不一致的话,就会出现乱码。 所以,解决乱码问题说难也难说简单也简单,关键是让交互系统之间编码一致。 ...
https://stackoverflow.com/ques... 

When would anyone use a union? Is it a remnant from the C-only days?

...uble ld_v; } With this declaration, it is simple to display the hex byte values of a long double, change the exponent's sign, determine if it is a denormal value, or implement long double arithmetic for a CPU which does not support it, etc. Saving storage space when fields are dependen...