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What's the state of the art in email validation for Rails?
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With Rails 3.0 you can use a email validation without regexp using the Mail gem.
Here is my implementation (packaged as a gem).
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Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
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Android EditText delete(backspace) key event
How can I detect delete (backspace) key event for a editText? I've tried using TextWatcher, but when the editText is empty, when I press delete key, nothing happens. I want to detect delete key press foe an editText even if it has no text.
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Where am I wrong about my project and these Javascript Frameworks?
...ge web app. I plan on having a set of features available from the get-go with plenty of feature additions down the road.
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How to make git ignore changes in case?
...too sure what is going on here, but sometimes a particular file in my repository will change the case of it's name. e.g.,:
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Set a default parameter value for a JavaScript function
...lue isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
27 Answers
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How to detect if a variable is an array
...n't work if the object is passed across frame boundaries as each frame has its own Array object. You can work around this by checking the internal [[Class]] property of the object. To get it, use Object.prototype.toString() (this is guaranteed to work by ECMA-262):
Object.prototype.toString.call(ob...
RecyclerView onClick
Has anyone using RecyclerView found a way to set an onClickListener to items in the RecyclerView ?
I thought of setting a listener to each of the layouts for each item but that seems a little too much hassle
I'm sure there is a way for the RecyclerView to listen for the onClick event but I ...
How to properly seed random number generator
... am trying to generate a random string in Go and here is the code I have written so far:
9 Answers
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Groovy / grails how to determine a data type?
... this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even though it's a little longer.
If you want to check if an object implements a particular interface or extends a particular class...