...nstall组中的oracle用户 8.top 查看机器当前使用情况 相当于windows的资源管理器 9.su 表示切换用户 su – 表示切换到默认的root用户 10.cp 表示拷贝 cp –R 被拷贝目录 拷贝目录 11.rm 删除 rm –r 删除目录 rm –rf 强制删...

..., 1, 1, 0]) 1.65291949506 Notes You can use this method with a sliding window (i.e. last 30 days) if you wish not to take to much history into account, which will make short term trends more pronounced and can cut down on the processing time. You could also use a z-score for values such as chang...

...ents, use VMSupport.vmDetails(). On Oracle JDK 1.8.0_40 running on 64-bit Windows (used for all following examples), this method returns Running 64-bit HotSpot VM. Using compressed oop with 0-bit shift. Using compressed klass with 3-bit shift. Objects are 8 bytes aligned. Field sizes by type: 4, 1...

...built for Linux with both GCC and Clang, and with Microsoft's compiler for Windows. The tool, coan, is a preprocessor and analyser of C/C++ source files and codelines of such: its computational profile majors on recursive-descent parsing and file-handling. The development branch (to which these re...

...projects with a great free database. I develop application data servers on windows platforms mostly with MySQL. The worst mess I had to straighten out was The ultimate MySQL legacy database nightmare This required a series of appplications to process the tables into something usefull using many of...

... For those using msysgit (windows) you can use this ported version of the script: github.com/joero74/git-new-workdir – amos Jan 13 '12 at 9:24 ...

...icate either a specific kind of value, or a lack of value — e.g. does my window have a delegate, and if so, who is it? Optionals are Swift's type-safe, memory-safe way to do this. share | improve ...

...g and navigating to the same view (independently of the opened browser tab/window!), either synchronously or asynchronously (Ajax). See also Difference between View and Request scope in managed beans and How to choose the right bean scope? Although practically all disadvantages of JSF 1.x were elim...

...vert back to C and avoid C++ libraries, as well as external surprises like Windows SEH). Writing exception safe code To write exception safe code, you must know first what level of exception safety each instruction you write is. For example, a new can throw an exception, but assigning a built-in (e....

...stick these settings in your shell config file, use p4 set to save them on Windows and OS X, or use a Perforce config file. 1) Create a workspace p4 workspace # set your root to where your files should live: Root: /Users/matt/work # in the resulting editor change your view to map the depot files...