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PreparedStatement IN clause alternatives?
...he joined table is to use a LEFT JOIN together with the IS NULL. 'SELECT a.URL, b.URL FROM TABLE_A a LEFT JOIN TABLE_B b ON a_A.URL = b_B.URL WHERE b.URL IS NULL' This will show all the rows in table A that have no match in table B.
– Jens Tandstad
Nov 10 '14 ...
Capture HTML Canvas as gif/jpg/png/pdf?
...ar canvas = document.getElementById("mycanvas");
var img = canvas.toDataURL("image/png");
with the value in IMG you can write it out as a new Image like so:
document.write('<img src="'+img+'"/>');
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How do you create a REST client for Java? [closed]
...PIs:
private void updateCustomer(Customer customer) {
try {
URL url = new URL("http://www.example.com/customers");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setInstanceFollowRedirects(fa...
Recommended way to embed PDF in HTML?
...<embed src="https://drive.google.com/viewerng/
viewer?embedded=true&url=http://example.com/the.pdf" width="500" height="375">
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Spring Boot not serving static content
...[] staticLocations = RESOURCE_LOCATIONS;
As mentioned before, the request URL will be resolved relative to these locations. Thus src/main/resources/static/index.html will be served when the request URL is /index.html. The class that is responsible for resolving the path, as of Spring 4.1, is org.sp...
configure Git to accept a particular self-signed server certificate for a particular https remote
...ch trouble"; instead, he has set up Git to be accessible via an https:// URL (and username/password authentication). The server for this URL presents a self-signed certificate, so he advised everyone to turn off certificate validation. This does not strike me as a good setup, security-wise.
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ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
...个类库，可以使用它进行COM开发。本文通过一个基础入门的例子，简要介绍如何定义、实现C...ATL（Active Template Library）动态模板库，是一个类库，可以使用它进行COM开发。本文通过一个基础入门的例子，简要介绍如何定义、实现...
选中CListCtrl指定行并发送LVN_ITEMCHANGED消息 - C/C++ - 清泛网 - 专注C/C++及内核技术
...stCtrl指定行并发送LVN_ITEMCHANGED消息在使用CListCtrl列表控件的程序中，当我们修改了CListCtrl后需要要定位到已修改的行，可以使用下面的函数实现： 定位并使指定行选中m_list...在使用CListCtrl列表控件的程序中，当我们修改了CListCt...
div布局居中的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
div布局居中的方法本文简单介绍一种万能的div居中的方法，背景div横铺float:left，然后指定显示div宽度并设置margin:auto。思路：背景div横铺float:left，然后指定显示div宽度并设置margin:auto。代码如下：
<div class="testbg">
<div class="te...
register int i;的含义 - C/C++ - 清泛网 - 专注C/C++及内核技术
register int i;的含义register声明的作用是为了提高效率。它明确要求CPU把变量始终保存在寄存器里面，直至它消亡。不过现代编译器都很厉害，根本不需要你多此一...register声明的作用是为了提高效率。
它明确要求CPU把变量始终...