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Different results with Java's digest versus external utilities
...-bit applications that have the system path hard coded and is running in a 64-bit Windows? How can they find the new SysWOW64 folder without changes in the program code, you might think. The answer is that the emulator redirects calls to System32 folder to the SysWOW64 folder transparently so even i...
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....
Android SDK installation doesn't find JDK
I'm trying to install the Android SDK on my Windows 7 x64 System.
45 Answers
45
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How do I get the last four characters from a string in C#?
...the framework?
I would suggest that you add a reference to the framework DLL "Microsoft.VisualBasic"
using Microsoft.VisualBasic;
//...
string value = Strings.Right("34234234d124", 4);
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
...ppose we want one thread to process one pixel (i,j).
We can use blocks of 64 threads each. Then we need 512*512/64 = 4096 blocks
(so to have 512x512 threads = 4096*64)
It's common to organize (to make indexing the image easier) the threads in 2D blocks having blockDim = 8 x 8 (the 64 threads per b...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...统交易中，资金管理主要体现在以下三个层次上：
1)仓位
即帐户中股票市值/(股票市值+债券市值+现金)*100%。据道氏理论及后人的多次统计，一个市场中约75%的个股的走势是与大盘高度正相关的。因此，根据大盘风险系数来决...
Eclipse cannot load SWT libraries
...
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86/
And on Ubuntu 12.04 64 bit try:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86_64/
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
3.3.1先查看内核版本
ll -d /usr/src/kernels/2.6.32-358.el6.x86_64/
3.3.2 编译
cd /usr/local/src/ drbd-8.4.6
make KDIR=/usr/src/kernels/2.6.32-358.el6.x86_64/
3.3.3安装
make install
3.3.4加载模块
modprobe drbd
lsmod | grep drbd
drbd 376868 0
libc...
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...
How to change Vagrant 'default' machine name?
....3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
to generate a default Vagrantfile. Then I opened the VirtualBox GUI so I could see what names the boxes I create would show up as.
Default Vagrantfile
Vagrant.configure('2') d...