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How do you get the length of a list in the JSF expression language?
...ted before being phased out). The proper taglib to use: <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
– Christopher Parker
Feb 17 '10 at 20:01
57
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What is the difference between String.Empty and “” (empty string)?
...t on the heap anyhow.
According to the C# specification, section 2.4.4.5:
http://msdn.microsoft.com/en-us/library/aa691090(VS.71).aspx
Each string literal does not necessarily result in a new string instance. When two or more string literals that are equivalent according to the string equality ...
addEventListener vs onclick
...verwrote the original inline HTML onclick property too. Check it out here: http://jsfiddle.net/jpgah/.
Broadly speaking, do not use inline events. There may be specific use cases for it, but if you are not 100% sure you have that use case, then you do not and should not use inline events.
Modern J...
ASP.NET MVC Razor Concatenation
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
When is the @JsonProperty property used and what is it used for?
...eck() {
return check;
}
}
Have a look at this documentation too:
http://fasterxml.github.io/jackson-annotations/javadoc/2.3.0/com/fasterxml/jackson/annotation/JsonProperty.html
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imp...
Writing unit tests in Python: How do I start? [closed]
...good comparison of all of these, read through the introductions to each at http://pythontesting.net/start-here.
There's also extended articles on fixtures, and more there.
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Determine project root from a running node.js application
...oach this, each with their own pros and cons:
require.main.filename
From http://nodejs.org/api/modules.html:
When a file is run directly from Node, require.main is set to its module. That means that you can determine whether a file has been run directly by testing require.main === module
...
Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
...sdk.sfc version 12.0.0.0 not found by visual studio.
Solution: just go to http://www.microsoft.com/en-us/download/details.aspx?id=42295 and download:
ENU\x64\SharedManagementObjects.msi for X64 OS or
ENU\x86\SharedManagementObjects.msi for X86 OS,
then install it, and restart visual studio.
...
Static variables in JavaScript
...description = 'A fact-based journey through the galaxy.';
this.link = 'http://www.astronomycast.com';
// for read access to _somePrivateVariable via immutableProp
this.immutableProp = function() {
return _somePrivateVariable;
}
// object function
this.toString = fu...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
来源：http://www.zsqz.com/chuangke/10r.htm
【学习目标】
1.掌握App Inventor中对调用手机计步器、位置传感器等硬件传感器的应用；
2.了解数据持久化，掌握数据存储等功能的实现；
3.通过编程实践，感受和体验利用手机...