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Returning the product of a list
...on 3 int is Python 2 long. Python 2 will be using "int" until it overflows 32 bits; Python 3 will use "long" from the start. (2) Python 3.0 was a "proof of concept". Upgrade to 3.1 ASAP!
– John Machin
Jan 20 '10 at 22:30
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Android encryption / decryption using AES [closed]
...macSHA1 derivation is used as it is more secured.
import android.util.Base64;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto....
兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，因此现在要实现一个js复制内容到剪贴板的小功能就不是一件那么容易的事了。
在FLASH 9 时代，有一个通杀所有浏览器的js复制内容到剪贴板的方案：
这个方案是一个最流行的方法: 著名的Clipboard Copy解决方案 利用一个clipboard...
Tainted canvases may not be exported
...ved my day!
– Chang
Feb 7 '18 at 16:32
1
Happy to help :)
– Annia Martinez
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Version of Apache installed on a Debian machine
...
eaykineaykin
3,37311 gold badge3232 silver badges2828 bronze badges
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“rm -rf” equivalent for Windows?
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RMDIR or RD if you are using the classic Command Prompt (cmd.exe):
rd /s /q "path"
RMDIR [/S] [/Q] [drive:]path
RD [/S] [/Q] [drive:]path
/S Removes all directories and files in the specified directory in addition to the directory itself. Used to remove a directory tree...
How to compare 2 files fast using .NET?
...instead of one byte at a time, you would use an array of bytes sized to Int64, and then compare the resulting numbers.
Here's what I came up with:
const int BYTES_TO_READ = sizeof(Int64);
static bool FilesAreEqual(FileInfo first, FileInfo second)
{
if (first.Length != second.L...
What is the optimal algorithm for the game 2048?
...e was achieved at least once:
2048: 100%
4096: 100%
8192: 100%
16384: 94%
32768: 36%
The minimum score over all runs was 124024; the maximum score achieved was 794076. The median score is 387222. The AI never failed to obtain the 2048 tile (so it never lost the game even once in 100 games); in fa...
Volatile vs. Interlocked vs. lock
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answered Sep 30 '08 at 19:32
Michael DamatovMichael Damatov
13.5k1010 gold badges4141 silver badges7070 bronze badges
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How to convert a string of bytes into an int?
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"L" is actually uint32 (4 bytes). If as in my case you need 8 bytes, use "Q"-->uint64. Also note that "l"-->int32 and q-->int64
– ntg
May 31 '17 at 6:26
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