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How to check if a model has a certain column/attribute?
I have a method that needs to loop through a hash and check if each key exists in a models table, otherwise it will delete the key/value.
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
Does the question mark after equals have special meaning? ie:
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JavaScript exponents
How do you do exponents in JavaScript?
5 Answers
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GitHub: What is a “wip” branch?
When I was browsing GitHub repositories I quite often saw "wip" branches (e.g. 3.1.0-wip ). What does "wip" mean?
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Loading custom configuration files
...n open config files that are related to an assembly with the static ConfigurationManager.OpenExe(exePath) method but I just want to open a config that is not related to an assembly. Just a standard .NET config file.
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Rails: Custom text for rails form_for label
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The second parameter to label helper will allow you to set custom text.
<%= f.label :name, 'Your Name' %>
Use Ruby on Rails Documentation to look up helper methods.
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Convert Enumeration to a Set/List
Is there some one-liner bridge method to dump a given Enumeration to java.util.List or java.util.Set?
6 Answers
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Checking user's homepage in Internet Explorer
Google displays a popup that asks if you want to set your home page as google.com. It's quite normal, when I say OK it sets it as google.com. After that however, I don't get the popup anymore. As far as I know, nobody should be able to retrieve the value of my homepage because it's a private info. B...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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To use unsafe code blocks, the project has to be compiled with the /unsafe switch on.
Open the properties for the project, go to the Build tab and check the Allow unsafe code checkbox.
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Get an element by index in jQuery
I have an unordered list and the index of an li tag in that list. I have to get the li element by using that index and change its background color. Is this possible without looping the entire list? I mean, is there any method that could achieve this functionality?
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