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Using a piano keyboard as a computer keyboard [closed]
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A good library in .NET with full midi support (BASS), go to http://www.un4seen.com.
And for the other part, translating keyboard midi notes to keys and more, I would go for AutoItX, the ActiveX/COM and DLL interface to autoIt. Info and download, go to http://www.autoitscript.com/site/autoit...
How to make input type= file Should accept only pdf and xls
...fy the magic number
// for JPG is 0xFF 0xD8 0xFF 0xE0 (see https://en.wikipedia.org/wiki/List_of_file_signatures)
if(int32View.length>4 && int32View[0]==0xFF && int32View[1]==0xD8 && int32View[2]==0xFF && int32View[3]==0xE0) {
...
Add vertical whitespace using Twitter Bootstrap?
...ertical spacing solution is, apparently, on the roadmap for bootstrap v4
https://github.com/twbs/bootstrap/issues/4286#issuecomment-36331550
https://github.com/twbs/bootstrap/issues/13532
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How to find the JVM version from a program?
... Java vendor version
java.vendor.url "https://java.oracle.com/" "http://java.oracle.com/" "http://java.sun.com/" Java vendor URL
java.vendor.url.bug "https://bugreport.java.com/bugreport/" ...
What's “this” in JavaScript onclick?
...pulate the dom element by this.
Also describe on the below link:-
http://www.quirksmode.org/js/this.html
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How to install pip with Python 3?
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Python ≤ 2.7.8 and Python ≤ 3.3
Follow my detailed instructions at https://stackoverflow.com/a/12476379/284795 . Essentially
Official instructions
Per https://pip.pypa.io/en/stable/installing.html
Download get-pip.py, being careful to save it as a .py file rather than .txt. Then, run it f...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
...时常见错误解决办法，php编译常见错误This article is post on https: coderwall.com p ggmpfaconfigure: error: xslt-...PHP编译安装时常见错误解决办法，php编译常见错误
This article is post on https://coderwall.com/p/ggmpfa
configure: error: xslt-config not found. Pl...
MySQL: determine which database is selected?
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In the comments of http://www.php.net/manual/de/function.mysql-db-name.php I found this one from ericpp % bigfoot.com:
If you just need the current database name, you can use MySQL's SELECT DATABASE() command:
<?php
function mysql_current_db() {...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...种方法
利用linux的策略路由
网上查找的参考资料
http://www.cnblogs.com/gunl/archive/2010/09/14/1826234.html
知识准备
一、原理说明
1、路由表（table）从0到255进行编号，每个编号可以对应一个别名，编号和别名的对应关系在linux下放...
How to use Servlets and Ajax?
...equest content type to application/json instead of (default) application/x-www-form-urlencoded. This can't be done via $.post() convenience function, but needs to be done via $.ajax() as below.
var data = {
foo: "fooValue",
bar: "barValue",
baz: "bazValue"
};
$.ajax({
type: "POST",...