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Bash if [ false ] ; returns true
...e; a non-empty string is an expression that evaluates as true, just as in most other programming languages. false is a command which always fails. (By analogy, true is a command that always succeeds.)
– chepner
Oct 29 '13 at 22:24
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使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
...，
除非从 CsplitterWnd派生一个新类并修改拆分窗口的默认操作性能，否则拆分窗口中的所有视图使用的都是相同的视图类。
静态拆分窗口是用CsplitterWnd::CreateStatic而不是CsplitterWnd::Create创建，并且由于MFC不会自动创建静态拆分窗...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...ere, undo logs, caches, etc...).
Anyways, I found that if you look in the OS directory where the files-per-table are stored, /var/lib/mysql by default on OSX, /usr/local/var/mysql with homebrew iirc, you'll find an orphaned tablename.ibd file without it's normal companion tablename.frm file. If yo...
Start service in Android
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it's work for my apps on android sdk 26+ but dose not on android sdk 25 or lower. there have any solution ?
– Mahidul Islam
Mar 12 '18 at 7:29
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How to navigate through textfields (Next / Done Buttons)
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In Cocoa for Mac OS X, you have the next responder chain, where you can ask the text field what control should have focus next. This is what makes tabbing between text fields work. But since iOS devices do not have a keyboard, only touch, thi...
Difference between fmt.Println() and println() in Go
... They are more versatile (fmt.Fprint* can report to any io.Writer, such as os.Stdout, os.Stderr, or even a net.Conn type.) and are not implementation specific.
Most packages that are responsible for output have fmt as a dependency, such as log. If your program is going to be outputting anything in ...
Focusable EditText inside ListView
...ocusable child, I want that child to take focus instead of indicating the position with the selector.
12 Answers
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MySQL maximum memory usage
I would like to know how it is possible to set an upper limit on the amount of memory MySQL uses on a Linux server.
6 Answ...
GCC -fPIC option
...for Code Generation Conventions , but could not understand what "Generate position-independent code (PIC)" does. Please give an example to explain me what does it mean.
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Can I use assert on Android devices?
...y app in some cases on the emulator, or my device during testing. Is this possible?
9 Answers
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