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Failed to install Python Cryptography package with PIP and setup.py
...\> \path\to\vcvarsall.bat x86_amd64
C:\> set LIB=C:\OpenSSL-1.0.1f-64bit\lib;%LIB%
C:\> set INCLUDE=C:\OpenSSL-1.0.1f-64bit\include;%INCLUDE%
C:\> pip install cryptography
Building cryptography on Linux
cryptography should build very easily on Linux provided you have a C compiler, heade...
Initial bytes incorrect after Java AES/CBC decryption
...void main(String[] args) {
String key = "Bar12345Bar12345"; // 128 bit key
String initVector = "RandomInitVector"; // 16 bytes IV
System.out.println(decrypt(key, initVector,
encrypt(key, initVector, "Hello World")));
}
}
...
Check if a Windows service exists and delete in PowerShell
I am currently writing a deployment script that installs a number of Windows services.
14 Answers
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...屏幕
2.1.4修改波特率（数据传输速率）
2.2KDBG
2.3GDB
2.4WINDBG
3.生成更多输出
3.1编译时开启verbosity功能
3.1.1 reactos类型
3.1.1.1加入我们自己的debug消息
3.1.2 wine的类型
3.2 运行时开启verbosity
3.3 进入内置的内核调试器
3.3.1 动态...
How to extract the year from a Python datetime object?
....
One key thing to note is that the time components can differ between 32-bit and 64-bit pythons in some python versions (2.5.x tree I think). So you will find things like hour/min/sec on some 64-bit platforms, while you get hour/minute/second on 32-bit.
...
Why unsigned integer is not available in PostgreSQL?
... The only problem with this approach is that you are "wasting" 15 bits of data storage which are unused. Not to mention the check also costs some small amount of efficiency. The better solution would be Postgres adding unsigned as a first class type. In a table with 20 million records, with...
Are there legitimate uses for JavaScript's “with” statement?
...t members introduced in this statement
// are scoped to the block following it.
with ({num: i})
{
setTimeout(function() { alert(num); }, 10);
}
}
The loop now works as intended, creating three separate variables with values from 0 to 2. Note that variables declared within the blo...
Converting any string into camel case
...
Great code, and it ended up winning jsperf.com/js-camelcase/5 . Care to contribute a version that can handle (remove) non-alpha chars? camelize("Let's Do It!") === "let'SDoIt!" sad face. I'll try myself but fear I will just add another replace.
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Why does Java's hashCode() in String use 31 as a multiplier?
... subtract instruction. However, if your multiplier is slow this is still a win. Modern processors tend to have fast multipliers so it doesn't make much difference, so long as 32 goes on the correct side.
It's not a great hash algorithm, but it's good enough and better than the 1.0 code (and very mu...
Clear file cache to repeat performance testing
...s RAMMap app.
The Empty / Empty Standby List menu option will clear the Windows file cache.
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