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What is the difference between Ruby 1.8 and Ruby 1.9
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One huge difference would be the move from Matz's interpreter to YARV, a bytecode virtual machine that helps significantly with performance.
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Why not abstract fields?
...ub message");
}
String doSomething() {
return errMsg + " from something";
}
}
If your child class "forgets" to initialise the final through the super constructor the compiler will give a warning an error, just like when an abstract method is not implemented.
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How to declare a global variable in a .js file
...e in your script file. Here is another issue: The script file might be run from a context that is not the global context in some run-time environment.
It has been proposed to assign the global to window directly. But that is also run-time dependent and does not work in Node etc. It goes to show tha...
How does internationalization work in JavaScript?
...anguage;
A good workaround for this is to dump the Accept-Language header from the server to the client. If formatted as a JavaScript, it can be passed to the Internationalization API constructors, which will automatically pick the best (or first-supported) locale.
In short, you have to put in a l...
Can I set variables to undefined or pass undefined as an argument?
...y, undefined is a JavaScript-specific mess, which confuses everyone. Apart from optional function arguments, where JS has no other more elegant mechanism, undefined should be avoided. It should never have been part of the language; null would have worked just fine for (2) and (3), and (4) is a misfe...
What's an elegant way to conditionally add a class to an HTML element in a view?
...ue is inspired by an add-on called classNames (formerly known as classSet) from Facebook’s React front-end framework.
Using in your Rails projects
As of now, the class_names function does not exist in Rails, but this article shows you how to add or implement it into your projects.
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Is it possible to rotate a drawable in the xml description?
...mlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="90"
android:toDegrees="90"
android:pivotX="50%"
android:pivotY="50%"
android:drawable="@drawable/mainmenu_background">
</rotate>
The fromDegrees is important.
Basically...
How can I set the Secure flag on an ASP.NET Session Cookie?
...ent over a secure channel such as HTTPS. This will help protect the cookie from being passed over unencrypted requests. If the application can be accessed over both HTTP and HTTPS, then there is the potential that the cookie can be sent in clear text.
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Why do you have to link the math library in C?
... This explains why libm isn't linked in by default, but math was standard from C89 and before that, K&R had de facto standardized it, so your "stdmath" remark doesn't make sense.
– Fred Foo
Nov 14 '11 at 9:36
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“Debug only” code that should run only when “turned on”
...o anything in a release build. As the variable exists solely to be toggled from the VS execution host, and in a release build its value doesn't matter, it's pretty harmless.
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