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Different results with Java's digest versus external utilities
...ndows 7 Professional with SP1 . I have tried Java 6.0.29 and Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or websites? Everything external matches with each other, only Java is returning different results.
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_nam...
C++ Dynamic Shared Library on Linux
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edited Jan 30 '09 at 21:18
answered Jan 30 '09 at 20:37
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How to escape quote marks in Exec Command in MSBuild
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193
Use &quot; to encode the double quotes that you want net to see inside the Command attribute...
What is the difference between Caching and Memoization?
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smci
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answered Jun 24 '11 at 14:46
SLaksSLaks
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
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337
The -p mode means patch, the help for which is hard-ish to find, but if you check git add --he...
Resize image to full width and fixed height with Picasso
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answered Dec 29 '13 at 10:22
Jake WhartonJake Wharton
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Putting an if-elif-else statement on one line?
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Tim PietzckerTim Pietzcker
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Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
...bpftrace-install。1、查看程序在打开哪些文件： bpftrace -e & 39;tracepoint:syscalls:sys_enter_open { printf("%s %s n
图：BPF性能工具及其可见性
bpftrace安装请参考：bpftrace-install 。
1、查看哪些程序（如head,tail）正在打开什么文件：
# bpf...
Why does Unicorn need to be deployed together with Nginx?
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Pete - MSFT
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answered Jan 5 '12 at 9:07
PratikPratik
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