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How do I create a SHA1 hash in ruby?
...pper around some sha1 code
require 'rickshaw'
> Rickshaw::SHA1.hash('LICENSE.txt')
=> "4659d94e7082a65ca39e7b6725094f08a413250a"
> "hello world".to_sha1
=> "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed"
shar...
How to make Eclipse behave well in the Windows 7 taskbar?
... that can be pinned to the taskbar behave well.
But Eclipse doesn't show recently open projects when I right click it.
It also doesn't allow to pin some projects inside it.
Note that I have the JS version of Eclipse Helios. Which spawns a new and different taskbar icon after loading.
...
How do you open an SDF file (SQL Server Compact Edition)? [closed]
...08 or earlier) from Microsoft. Download it from here. Not sure about the license, but it seems to be free if you download the EXPRESS EDITION.
You might also be able to use later editions of SSMS. For 2016, you will need to install an extension.
If you have the option you can copy the sdf file to ...
How to install Java 8 on Mac
...mming with the latest JavaFX, which requires Java 8. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I ran Oracle's Java 8 installer, and the files look like they ended up at
...
Unsupported major.minor version 52.0 [duplicate]
...use of Java version mismatch. Referring to the Wikipedia Java Class Reference:
Java SE 14 = 58
Java SE 13 = 57
Java SE 12 = 56 (0x38 hex)
Java SE 11 = 55 (0x37 hex)
Java SE 10 = 54
Java SE 9 = 53
Java SE 8 = 52
Java SE 7 = 51
Java SE 6.0 = 50
Java SE 5.0 = 49
JDK 1.4 = 48
JDK 1.3 = 47
JDK 1.2 = 46
...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...est/replset/data
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
...
C++类的前置申明 - c++1y / stl - 清泛IT社区，为创新赋能！
class A; （而非 include "A.h"，可能暂时都没有类A的定义）
使用前置申明后，只能使用A的指针（32位编译器占4字节，64位编译器占8字节），new一个A对象会报错，因为未定义不知如何分配空间。
Eclipse XDebug配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...置http: xdebug org wizard php来输入拷贝的phpinfo信息来检测该下载哪个版本文件。zend_extension = php_xdebug-2 5 4-5 6-vc11-nts-x86_ http://xdebug.org/wizard.php
来输入拷贝的phpinfo信息来检测该下载哪个版本文件。
php.ini末尾添加如下配置：
zen...
二进制文件的读写 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...这个拓展，直接可以保存二进制数据到文件，拓展请自行下载：
参考资料：https://community.appinventor.mit.edu/t/how-to-save-a-binary-file-after-i-received-from-ble/90929/9二进制文件的读取/写入可使用此拓展，下载地址：https://bbs.tsingfun.com/thre...
App Inventor 2 离线版 - 免登录，离线用，一键启动，App开发so easy！
... 免费下载 软件大小：1.6 GB 配置要求：2核心CPU 8G内存 20G磁盘 及以上 ...