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MySQL: @variable vs. variable. What's the difference?

... Sure, in a "flat" script with no function calls, procedures, triggers, etc. and if you're just going to execute that simple script, or a limited set of commands and then end the session (thereby destroying your globals). It that case, go ahead and use them if you want. But DO NOT use them insi...
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery

...mplete) list, which includes Linux, BSD, Android, Palm, Sony Playstations, etc.: stackoverflow.com/questions/19877924/… – Michael Scheper Mar 22 '16 at 22:36 ...
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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...编写无锁数据结构的准则… 197 7.3.1 准则:使用std::memory_order_seq_cst做原型设计… 197 7.3.2 准则:使用无锁内存回收利用策略… 197 7.3.3 准则:当心ABA问题… 198 7.3.4 准则:识别忙则等待的循环以及帮助别的线程… 198 7.4 小结… ...
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std::vector versus std::array in C++

...re added or removed. It provides all the hooks (begin(), end(), iterators, etc) that make it work fine with the rest of the STL. It also has several useful methods that let you perform operations that on a normal array would be cumbersome, like e.g. inserting elements in the middle of a vector (it h...
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Equivalent of “throw” in R

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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What is the difference between the states selected, checked and activated in Android?

...cked revolves around a View implementing the Checkable interface. Methods setChecked(), isChecked(), toggle() ListView (after Honeycomb) calls setChecked() OR setActivated() depending on Android version as below (taken from Android source code): if (mChoiceMode != CHOICE_MODE_NONE && mCheck...
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project

...so the issue, yet , what should I do if I do wish to turn this flag on (in order to view the Prepossessed file) ? – Guy Avraham Jun 13 '16 at 15:28 2 ...
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Android app in Eclipse: Edit text not showing on Graphical layout

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How do I convert an NSString value to NSData?

...There are two problems: One, UTF-16 and UTF-32 need to have the right byte-ordering. Two, whoever converts it back to an NSString* must know the encoding, and often will assume UTF-8 encoding. Generally, UTF-8 is most likely to be handled correctly. – gnasher729 ...
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tooltips for Button

...@isaacweathers Well, how would you "hover" in a mobile browser, anyway, in order to view the title? – mbomb007 Feb 26 '16 at 21:27 ...