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Restore the state of std::cout after manipulating it

...t;iostream> or #include <ios> then when required: std::ios_base::fmtflags f( cout.flags() ); //Your code here... cout.flags( f ); You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII. ...
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Default value in Go's method

...s on the subject, but here are some specific examples. **Option 1:** The caller chooses to use default values // Both parameters are optional, use empty string for default value func Concat1(a string, b int) string { if a == "" { a = "default-a" } if b == 0 { b = 5 } return fmt.S...
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pretty-print JSON using JavaScript

How can I display JSON in an easy-to-read (for human readers) format? I'm looking primarily for indentation and whitespace, with perhaps even colors / font-styles / etc. ...
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What is an xs:NCName type and when should it be used?

...s, then they are NCNames. xs:string puts no restrictions on your names at all, but xs:NCName basically disallows ":" to appear in the string. share | improve this answer | f...
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How to find out how many lines of code there are in an Xcode project?

Is there a way to determine how many lines of code an Xcode project contains? I promise not to use such information for managerial measurement or employee benchmarking purposes. ;) ...
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How to install MySQLdb (Python data access library to MySQL) on Mac OS X?

... Update for those using Python3: You can simply use conda install mysqlclient to install the libraries required to use MySQLdb as it currently exists. The following SO question was a helpful clue: Python 3 ImportError: No module named 'ConfigParser' . Installing mysqlclient will install...
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iPhone App 开发第一步:从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...

...完成,再用darwin_snow_legacy.iso已无法引导系统,换成Rebel EFI.iso。至此大概完成Mac OSX系统的安装。下面是要用到的各种文件,此处不保证以下下载地址有效,若失效就自己找,刚才的链接帽子里有: VMWare 8.0以及汉化包:http://...
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SPAN vs DIV (inline-block)

...turn and have default margin. Note that inline-block is not supported in all browsers. For instance in Firefox 2 and less you must use: display: -moz-inline-stack; which displays slightly different than an inline block element in FF3. There is a great article here on creating cross browser inl...
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Linear Regression and group by in R

... fits <- lmList(response ~ year | state, data=d) fits #------------ Call: lmList(formula = response ~ year | state, data = d) Coefficients: (Intercept) year CA -1.34420990 0.17139963 NY 0.00196176 -0.01852429 Degrees of freedom: 20 total; 16 residual Residual standard error: 0.820...
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Pandas percentage of total with groupby

... is a table of some kind, so 100 * x doesn't intuitively make sense (especially when some of the cells contain strings like AZ, ...). – dhardy Feb 6 '15 at 9:42 6 ...