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How to upload files to server using JSP/Servlet?
...
Introduction
To browse and select a file for upload you need a HTML <input type="file"> field in the form. As stated in the HTML specification you have to use the POST method and the enctype attribute of the form has to be set to "multipart/form-data".
<fo...
How can I add comments in MySQL?
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Is there any general best practice or style guideline for when to use these different syntaxes? Obviously the last one is ideal for multi-line comments, but is there any rule of thumb for single-line comments?
– StockB
Nov 21 '16 at 16:26
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Building an MFC project for a non-Unicode character set is deprecated ...
Building an MFC project for a non-Unicode character set is deprecatedVS2013多字节工程问题使用VS2013编译旧版VC++程序时，提示Building an MFC project for a non-Unicode character set is depreca...VS2013多字节工程问题
使用VS2013编译旧版VC++程序时，提示Building an MF...
Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...于是又添加了如下的代码：
_gaq.push(
["_addOrganic", "baidu", "word"],
["_addOrganic", "so.360.cn", "q"],
["_addOrganic", "sogou", "query"],
["_addOrganic", "soso", "w"],
["_addOrganic", "gougou", "search"],
["_addOrganic", "youdao", "q"]
);
随着对业务分析的深...
Node.js / Express.js - How does app.router work?
Before I ask about app.router I think I should explain at least what I think happens when working with middleware. To use middleware, the function to use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middlewar...
How to use Swift @autoclosure
...2 > 1, it's automatically wrapped into a closure to become {2 > 1} before it is passed to f. So if we apply this to the function f:
func f(pred: @autoclosure () -> Bool) {
if pred() {
print("It's true")
}
}
f(pred: 2 > 1)
// It's true
So it works with just an expressi...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...::SOCKET_REP);
$responder->bind ("tcp://*:5555");
while(true) {
// Wait for next request from client
$request = $responder->recv ();
printf ("Received request: [%s]\n", $request);
// Do some 'work'
sleep (1);
// Send reply back to client
$responder->send ("World");
}
Client 程序...
How to access property of anonymous type in C#?
...et a value:
object v = p.GetValue(o, null);
This answer is long overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in t...
keycode 13 is for which key
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How did you create the "key effect" for the Enter phrase in your answer?
– Sarwar Erfan
May 22 '11 at 7:45
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JavaScript click handler not working as expected inside a for loop [duplicate]
...and pass i as argument. Primitives are copied by value in function calls.
for(var i=1; i<6; i++) {
(function (i) {
$("#div" + i).click(
function () { alert(i); }
);
})(i);
}
UPDATE
Updated DEMO
Or you can use 'let' instead var to declare i. let gives you...