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fatal error: Python.h: No such file or directory
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On Mint 18.2 (Ubuntu based), it was apt-get install python-dev.
– CoderGuy123
Aug 31 '17 at 15:59
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How do I return early from a rake task?
...sing this in a cron job or something that needs to do something afterwards based on whether the rake task was successful or not.
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Command-line svn for Windows?
Is there a command-line based version of svn for Windows? I know I can get TortoiseSVN, but that just doesn't work for me.
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How to change bower's default components folder?
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Based on the docs, it has to be in .bowerrc, not bower.json. Strange ... bower.io/#custom-install-directory
– joemfb
Mar 21 '14 at 15:29
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Is the ternary operator faster than an “if” condition in Java [duplicate]
...if-then-else. As in the above example, the decision on which to choose is based wholly on readability.
Moreover, this pattern enables you to make the String parameter truly optional (if it is deemed useful to do so) by overloading the method as follows:
public void myMethod(int par1) {
return...
Node.js check if path is file or directory
...path alone is a file or directory.
The answer is to identify directory-based paths using "/." like --> "/c/dos/run/." <-- trailing period.
Like a path of a directory or file that has not been written yet. Or a path from a different computer. Or a path where both a file and directory of t...
Javascript object Vs JSON
...PHP), they can recreate the JavaScript object we had into their own object based on the JSON representation of the object.
It is important to note that JSON cannot represent functions or dates. If you attempt to stringify an object with a function member, the function will be omitted from the JSON ...
How to pass parameters correctly?
...angerous!
}
Also notice, that you normally do not resort to the template-based solution unless you have a good reason for it, as it makes your code harder to read. Normally, you should focus on clarity and simplicity.
The above are just simple guidelines, but most of the time they will point you ...
How does one generate a random number in Apple's Swift language?
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Edit: Updated for Swift 3.0
arc4random works well in Swift, but the base functions are limited to 32-bit integer types (Int is 64-bit on iPhone 5S and modern Macs). Here's a generic function for a random number of a type expressible by an integer literal:
public func arc4random<T: Express...
Saving enum from select in Rails 4.1
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If you need to handle the i18n based on the enum keys you can use:
<%= f.select :color, Wine.colors.keys.map {|key| [t("wine.#{key}"), key]} %>
and in the tranlations you can set the colors:
wine:
red: Red
white: White
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