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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...记录扇区总数
DB 0,0,0x29 ; 中断13的驱动器号；未使用；拓展引导标记
DD 0xffffffff ; 卷序列号
DB "PFOS v1.0.0" ; 卷标(11个字节)
DB "FAT12 " ; 文件系统类型(8个字节)
;---------------------------------------------------------------------
; 44...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...PT_RIJNDAEL_128, MCRYPT_MODE_CBC),
MCRYPT_DEV_URANDOM
);
$encrypted = base64_encode(
$iv .
mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hash('sha256', $key, true),
$string,
MCRYPT_MODE_CBC,
$iv
)
);
To Decrypt:
$data = base64_decode($encrypted);
$i...
base64 encoded images in email signatures
... email clients. For email purposes be sure to read Shadow2531's answer.
Base-64 data is legal in an img tag and I believe your question is how to properly insert such an image tag.
You can use an online tool or a few lines of code to generate the base 64 string.
The syntax to source the image f...
How can I hash a password in Java?
I need to hash passwords for storage in a database. How can I do this in Java?
13 Answers
...
Turn a string into a valid filename?
...trings as file names? If human readability is not a factor I would go with base64 module which can produce file system safe strings. It won't be readable but you won't have to deal with collisions and it is reversible.
import base64
file_name_string = base64.urlsafe_b64encode(your_string)
Update:...
Convert a list of data frames into one data frame
... Nice solution. .id = "column_label" adds the unique row names based on the list element names.
– Sibo Jiang
Apr 29 '18 at 20:49
13
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How do I decode a base64 encoded string?
I am trying to "decode" this following Base64 string:
2 Answers
2
...
How to compile for Windows on Linux with gcc/g++?
...ere are variants that build for x64, such as "x86_64-w64-mingw32-g++". The base "mingw32" may or may not be capable, but it's easy enough to install/use the variants by name. ar2015: Does it not support C++11 at all or are you talking about a problem you had with it? I'm working on getting a projec...
Compression/Decompression string with C#
...yte[], while Unzip returns a string. If you want a string from Zip you can Base64 encode it (for example by using Convert.ToBase64String(r1)) (the result of Zip is VERY binary! It isn't something you can print to the screen or write directly in an XML)
The version suggested is for .NET 2.0, for .NE...
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...索新的技术，新的方法；把“非舒适区”转换成舒适区会拓展我们的知识面。这种不断探索的精神最后可能发展到——不仅仅停留在探索“IT技术”上，开始各种折腾，比如折腾电子制作、折腾写小说、折腾研究曲艺、折腾评书...