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Generate random string/characters in JavaScript
...two, for example, you'll see your number represented in binary. Similar to hex (base 16), base 36 uses letters to represent digits beyond 9. By converting a random number to base 36, you'll wind up with a bunch of seemingly random letters and numbers.
– Chris Baker
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How to create a GUID/UUID in Python
....uuid4())
'f50ec0b7-f960-400d-91f0-c42a6d44e3d0'
>>> uuid.uuid4().hex
'9fe2c4e93f654fdbb24c02b15259716c'
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VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
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VideoRecorder 方法
BackgroundVideoRecorder 方法
编码参数参考
码率对照表（BitRate）
Quality 预设值
注意事项
问题解决历程
用户写了长长的感谢信：
拓展下载
« 返回首页
Vi...
网页资料提取器：用 Web 客户端抓网页、按标记提取文字和链接（附 .aia 源...
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填网址（默认是本站的「原创内容」目录页），网页编码一般选 UTF-8，老网站乱码时改 GBK。
选提取规则：
两个标记之间的文字：最通用。在电脑浏览器里对目标网页「查看网页源代码」，找到想要的文字前后固...
Add leading zeroes/0's to existing Excel values to certain length
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This works well with decimal numbers... but what about hexadecimal? I can't find a way to make leading 0s work with it...
– Shadow
Nov 23 '12 at 4:29
10
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VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
...
VideoRecorder 方法
BackgroundVideoRecorder 方法
编码参数参考
码率对照表（BitRate）
Quality 预设值
注意事项
问题解决历程
用户写了长长的感谢信：
拓展下载
« 返回首页
Vi...
How to compare binary files to check if they are the same?
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I ended up using hexdump to convert the binary files to there hex representation and then opened them in meld / kompare / any other diff tool. Unlike you I was after the differences in the files.
hexdump tmp/Circle_24.png > tmp/hex1.txt
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How do I parse JSON with Objective-C?
...ndle] pathForResource:@"index" ofType:@"json"];
//将文件内容读取到字符串中，注意编码NSUTF8StringEncoding 防止乱码，
NSString* jsonString = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
//将字符串写到缓冲区。
NSData* jsonData...
Hash String via SHA-256 in Java
...tes(StandardCharsets.UTF_8));
byte[] digest = md.digest();
String hex = String.format("%064x", new BigInteger(1, digest));
System.out.println(hex);
}
}
In the snippet above, digest contains the hashed string and hex contains a hexadecimal ASCII string with left zero padding.
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...个数据成员描述了相应设备的信息。我们可以通过这样的字符连接到物理磁盘的镜像： //./PhysicalDriveX( X是磁盘的序号 ) 。访问代码如下：
void MakeDump(const wchar_t* path)
{
RemovableDeviceInfo_vt devices = Functions::SearchRemovalDisks();// get ...