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Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
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This behavior is triggered by tomcat when a webapp is reloaded. It's part of tomcat "memory leak protection" feature that (among other things) forces the renewal of its threads.
This is now fixed from versions 7.0.54 and 8.0.6 of tomcat :
https://issu...
How to load images dynamically (or lazily) when users scrolls them into view
...rformance. Definitely look into the new Intersection Observer as mentioned by Apoorv and explained by developers.google if performance is an issue.
The JQuery
$(window).scroll(function() {
$.each($('img'), function() {
if ( $(this).attr('data-src') && $(this).offset().top < ...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...l problems?
No, I was still searching for a tool to handle problems, seen by customers, remotely. How could I assist them and debug the problem if I lived on the other side of the globe? Eventually, I found this excellentJim Crafton article about a tool capable of intercepting unhandled errors. Tha...
What is the JSF resource library for and how should it be used?
...ne of them use resource libraries this way. They use it (under the covers, by @ResourceDependency or UIViewRoot#addComponentResource()) the following way:
<h:outputScript library="javax.faces" name="jsf.js" />
<h:outputScript library="primefaces" name="jquery/jquery.js" />
<h:outputS...
Difference between a Factory, Provider and a Service?
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Factory: Assembles classes, either by composing a bunch of bits together, or choosing type based on some kind of context
Provider: Provider is something microsoft "invented" (basically an abstract factory pattern) that is a way of doing a factory of factories...
Why generate long serialVersionUID instead of a simple 1L?
...lversionUID to be generated automatically - it's generated at compile time by javac...if you decompile the class's bytecode, you'll actually see the variable statically in the bytecode.
– Jared
May 20 '09 at 18:58
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Why can't I save CSS changes in Firebug? [closed]
... when your in-the-moment-freestyle-css'ing with firebug gets blown to bits by
an accidental reload or whatnot....
For my intents and purposes, I've finally found the tool.... : FireDiff.
It gives you a new tab, probably some weird David Bowie reference, called "changes";
which not only allows yo...
Who sets response content-type in Spring MVC (@ResponseBody)
... @Hurda: Obviously you can specify any content type that you wish by changing the value of the produces attribute.
– Jonik
May 28 '13 at 8:58
1
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Using smart pointers for class members
... Device object, i.e. who is going to be the owner of the object pointed to by your (smart) pointer.
Is it going to be the instance of the Settings object alone? Will the Device object have to be destroyed automatically when the Settings object gets destroyed, or should it outlive that object?
In...