synchronized JUC显式locks
Give me a practical use-case of Multi-set
I would like to know a few practical use-cases (if they are not related/tied to any programming language it will be better).I can associate Sets, Lists and Maps to practical use cases.[详细]
2022-12-24 14:37 分类：问答Why "pm.newQuery(Employee.class)" and not "pm.newQuery(Employee)" in JDO?
In this JDO, why is .class needed here? Query averageSalaryQu开发者_如何学编程ery = pm.newQuery(Employee.class);[详细]
2022-12-24 08:45 分类：问答How to test if a file is currently being written to
I have an a开发者_如何学编程pplication that must check a folder and read any files that are copied into it.[详细]
2022-12-24 07:16 分类：问答How to make a class in one file work with UIWebViewController implemented in another file?
So I have a UIWebView implemented in one .m file and a UITableView implemented in another. When a user clicks UITableView element, the UIWebView appears. The problem is that I have to set UIWebView\'s[详细]
2022-12-24 05:26 分类：问答Getting NSRange from Subclassed UIPasteboard Selection
I am wondering if there is some way to subclass UIPasteboard in order to get the selection behavior, but not get the \"Cut, Copy, and Paste\" options.In addition to this, is there some notification I[详细]
2022-12-24 04:52 分类：问答I dont know how or where to add the correct encoding code to this iPhone code
Ok, I understand that using strings that have special characters is an encoding issue. However I am not sure how to adjust my code to allow these characters. Below is the code that works great for tex[详细]
2022-12-24 04:23 分类：问答get image size using javascript or jquery
I want to get the image size using javascript or jquery. something similar开发者_JS百科 to imagesize().[详细]
2022-12-23 19:33 分类：问答Filter list of phone numbers using php
I have a list of phone numbers that start with the below numbers and in different formats...i need to grab the numbers that start only with the belo开发者_如何学Cw numbers/format using php......[详细]
2022-12-23 18:35 分类：问答Translating functional dependencies into 3rd normal form
I have this problem decomposing a relation schema into a set of开发者_高级运维 schemas that are in 3NF.[详细]
2022-12-23 17:48 分类：问答
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