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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm using mac os x and trying to setup pycallgraph. Ive installed pycallgraph with pip and graphviz with homebrew. Everything works from shell. But not from pycharm. from pycallgraph import PyCallGraph from pycallgraph import Config from pycallgraph import GlobbingFilter from pycallgraph.output import GraphvizOutput config = Config() config.trace_filter = GlobbingFilter(exclude=[ 'pycallgraph.*', ]) graphviz = GraphvizOutput(output_file='filter_exclude.png') with PyCallGraph(output=graphviz, config=config): def my_fun(): print "HELLO" my_fun

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Can someone provide a quick top level explanation of how Valgrind works? An example: how does it know when memory is allocated and freed? 回答1: Valgrind basically runs your application in a "sandbox." While running in this sandbox, it is able to insert its own instructions to do advanced debugging and profiling. From the manual: Your program is then run on a synthetic CPU provided by the Valgrind core. As new code is executed for the first time, the core hands the code to the selected tool. The tool adds its own instrumentation code to this

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 选择语言 中文(简体) 日语 英语 中文(繁体) 由 翻译 强力驱动 问题: I want to use the @WebServlet annotation in a Java EE webapp which runs on Tomcat 8. I have read that I need to declare Servlet Version 3.1 in my web.xml and that my Servlet needs to extend HttpServlet . I did all that but still the @WebServlet doesn't work. I am getting a HTTP 404. I also tried my configuration with metadata-complete="false" in my web.xml , but still no success. Here is my web.xml and Servlet. The complete sample code can be found on GitHub . web.xml <? xml version = "1.0" encoding = "UTF

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: What is the difference between the Bridge and Adapter patterns? Where i can use each pattern? 回答1: "Adapter makes things work after they're designed; Bridge makes them work before they are. [GoF, p219]" Effectively, the Adapter pattern is useful when you have existing code, be it third party, or in-house, but out of your control, or otherwise not changeable to quite meet the interface you need it to. For instance, we have a SuperWeaponsArray which can control a fine array of doomsday devices. public class SuperWeaponsArray { /*...*/ public

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm using a model that contains a List as a property. I'm populating this list with items i grab from SQL Server. I want the List to be hidden in the view and passed to the POST action. Later on i may want to add more items to this List with jQuery which makes an array unsuitable for expansion later on. Normally you would use @Html.HiddenFor(model => model.MyList) to accomplish this functionality, but for some reason the List in POST is always null. Very simple question, anyone know why MVC behaves like this? 回答1: I've just come across this

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Simple online games of 20 questions powered by an eerily accurate AI. How do they guess so well? 回答1: You can think of it as the Binary Search Algorithm. In each iteration, we ask a question, which should eliminate roughly half of the possible word choices. If there are total of N words, then we can expect to get an answer after log2(N) questions. With 20 question, we should optimally be able to find a word among 2^20 = 1 million words. One easy way to eliminate outliers (wrong answers) would be to probably use something like RANSAC . This

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Simple online games of 20 questions powered by an eerily accurate AI. How do they guess so well? 回答1: You can think of it as the Binary Search Algorithm. In each iteration, we ask a question, which should eliminate roughly half of the possible word choices. If there are total of N words, then we can expect to get an answer after log2(N) questions. With 20 question, we should optimally be able to find a word among 2^20 = 1 million words. One easy way to eliminate outliers (wrong answers) would be to probably use something like RANSAC . This

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm having some major headache trying to apply CSS3 transitions to a slideshow trough JavaScript. Basically the JavaScript gets all of the slides in the slideshow and applies CSS classes to the correct elements to give a nice animated effect, if there is no CSS3 transitions support it will just apply the styles without a transition. Now, my 'little' problem. All works as expected, all slides get the correct styles, the code runs without bugs (so far). But the specified transitions do not work, even though the correct styles where applied.

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am totally new to Spring and started to do the official guides from this site: https://spring.io/guides I'd like to do this guide: https://spring.io/guides/gs/scheduling-tasks/ I get the following Exception: 2014-02-14 16:25:21.614 INFO 9032 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.scheduling.annotation.SchedulingConfiguration' of type [class org.springframework.scheduling.annotation.SchedulingConfiguration$$EnhancerByCGLIB$$5b48d763] is not eligible for getting processed by all BeanPostProcessors

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I don't understand what a bluetooth UUID denotes. Do UUIDs denote protocols (e.g. RFCOMM )? If so, why do the createRfcommSocketToServiceRecord() methods require UUIDs, when they specify rfcomm right in their names? Why does the BluetoothChat sample code have a seemingly arbitrary, hardcoded UUID? My question arises because, as per this question , I'm getting a null pointer exception when devices running 4.0.4 try to connect (to an external, non-android device) using reflection. However, the solution to that question doesn't work for me.