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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...ludes a script which does the job for you. Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine: Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions side-by-side. Although Sandboxie can ...
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What is the difference between \r and \n?

...e separator; Windows tends to use \r\n as a line separator and Macs (up to OS 9) used to use \r as the line separator. (Mac OS X is Unix-y, so uses \n instead; there may be some compatibility situations where \r is used instead though.) For more information, see the Wikipedia newline article. EDIT...
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“Insufficient Storage Available” even there is lot of free space in device memory

... sure Superuser and Terminal Emulator apps are installed. (They come with most custom ROMs.) Run Terminal Emulator Type in su, hit return. This will bring up a Superuser prompt. Grant access. (You will have to wait three seconds before you can click "Allow".) Change current directory by typing in cd...
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Open new Terminal Tab from command line (Mac OS X)

Is it possible to open a new tab in Mac OS X's terminal from the command line in a currently opened tab? 13 Answers ...
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术

... set_non_block(listen_fd); // 将输入的参数params… 组织为一个结构,以指针的方式存于accept_param struct event* ev_accept = (struct event*)malloc(sizeof(struct event)); event_set(ev_accept, listen_fd, EV_READ|EV_PERSIST, on_accept, (void*)accept_param); ev...
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When I catch an exception, how do I get the type, file, and line number?

... import sys, os try: raise NotImplementedError("No error") except Exception as e: exc_type, exc_obj, exc_tb = sys.exc_info() fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1] print(exc_type, fname, exc_tb.tb_li...
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How to list active / open connections in Oracle?

... substr(b.username,1,10) username, -- b.server, substr(b.osuser,1,8) os_user, substr(b.program,1,30) program from v$session b, v$process a where b.paddr = a.addr and type='USER' order by spid; shar...
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Can't find the 'libpq-fe.h header when trying to install pg gem

I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
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Location Services not working in iOS 8

My app that worked fine on iOS 7 doesn't work with the iOS 8 SDK. 26 Answers 26 ...
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What is `mt=8` in iTunes links for the App Store?

...values): 1 Music 2 Podcasts 3 Audiobooks 4 TV Shows 5 Music Videos 6 Movies 7 iPod Games 8 Mobile Software Applications 9 Ringtones 10 iTunes U 11 E-Books 12 Desktop Apps So, to answer your question, the "mt=8" in iTunes links simply identifies it as being of type 'Mobile Sof...