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Detect backspace in empty UITextField
Is there any way to detect when the Backspace / Delete key is pressed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
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Is it valid to have a html form inside another html form?
Is it valid html to have the following:
14 Answers
14
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What's the best three-way merge tool? [closed]
...others support three-way merges (combining mine, theirs, and the "base" revision) and support graphical tools to resolve conflicts.
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String slugification in Python
I am in search of the best way to "slugify" string what "slug" is , and my current solution is based on this recipe
10 An...
Using Case/Switch and GetType to determine the object [duplicate]
If you want to switch on a type of object, what is the best way to do this?
10 Answers
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How to differ sessions in browser-tabs?
...java using JSP and Servlets; if I store information in the user session, this information is shared from all the tabs from the same browser. How to differ sessions in the browser-tabs?
In this example:
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junit & java : testing non-public methods [duplicate]
...the code in your non-public methods. Your mileage may vary; I find that this is sometimes the case and sometimes not.
With that said, there are a couple of ways to test non-public methods:
You can test protected and package-scope methods by putting your unit tests in the same package as the clas...
In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
11
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How to do a https request with bad certificate?
...g programatically. Currently golang.org (ssl) has a bad certificate which is issued to *.appspot.com So when I run this:
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Is there a vr (vertical rule) in html?
I know there is a hr (horizontal rule) in html, but I don't believe there is a vr (vertical rule). Am I wrong and if not, why isn't there a vertical rule?
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