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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...Error)
Failed to build gem native extension (mkmf (LoadError)) - Ubuntu 12.04
Usually, the solution is:
sudo apt-get install ruby-dev
Or, if that doesn't work, depending on your ruby version, run something like:
sudo apt-get install ruby1.9.1-dev
Should fix your problem.
Still not w...
AppSettings get value from .config file
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answered May 26 '12 at 13:30
AdamAdam
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How to capitalize first letter of each word, like a 2-word city? [duplicate]
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return str.replace(/\w\S*/g, function(txt){
return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
});
}
or in ES6:
var text = "foo bar loo zoo moo";
text = text.toLowerCase()
.split(' ')
.map((s) => s.charAt(0).toUpperCase() + s.substring(1))
.join(' ')...
Unit Testing C Code [closed]
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504
One unit testing framework in C is Check; a list of unit testing frameworks in C can be found h...
Total number of items defined in an enum
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10 Answers
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How can I display an image from a file in Jupyter Notebook?
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A T
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answered Aug 7 '12 at 22:37
zachzach
19....
程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...日，RSA公司发起“第三届DES挑战赛（DES Challenge III）”。2000年1月19日，由电子边疆基金会组织研制的25万美元的DES解密机以22.5小时的战绩，成功地破解了 DES加密算法。DES已逐渐完成了它的历史使命。
高级加密标准（英语：Advanc...
How to access java-classes in the default-package?
...icated package and add this "package" directive at its beginning.
Update 2014: bug 6975015, for JDK7 and JDK8, describe an even stricter prohibition against import from unnamed package.
The TypeName must be the canonical name of a class type, interface type, enum type, or annotation type.
The type...
When are you truly forced to use UUID as part of the design?
...As in, you would need to store 256 exabytes worth of IDs before you had a 50% chance of an ID collision in a single application space.
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Running PostgreSQL in memory only
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answered Oct 24 '11 at 8:20
a_horse_with_no_namea_horse_with_no_name
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