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How do you pass arguments to define_method?
...guments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class. The parameters come with the block. So:
define_method(:say_hi) { |other| puts "Hi, " + other }
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jQuery SVG, why can't I addClass?
...nstead of .removeClass("newclass")
$("#item").attr("class", "oldclass");
And if you don't want to depend on jQuery:
var element = document.getElementById("item");
// Instead of .addClass("newclass")
element.setAttribute("class", "oldclass newclass");
// Instead of .removeClass("newclass")
element...
Go: panic: runtime error: invalid memory address or nil pointer dereference
When running my Go program, it panics and returns the following:
4 Answers
4
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Do I set properties to nil in dealloc when using ARC?
...ment dealloc. However, if you have any non-object ivars that need special handling (e.g. allocated buffers that you need to free()) you still have to deal with those in dealloc.
Furthermore, if you've set yourself as the delegate of any objects, you should un-set that relationship in dealloc (this ...
What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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Some font-size's rendered larger on Safari (iPhone)
...le of how to apply this to your body, just for the iPhone:
@media screen and (max-device-width: 480px){
body{
-webkit-text-size-adjust: none;
}
}
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Read data from SqlDataReader
I have a SQL Server 2008 database and I am working on it in the backend. I am working on asp.net/C#
13 Answers
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Static Initialization Blocks
...the constructor's job to initialize fields.
– Martin Andersson
Apr 1 '13 at 18:56
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How do I search within an array of hashes by hash values in ruby?
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Oh! You were the first one! Deleting my answer and +1.
– Milan Novota
Feb 11 '10 at 14:13
22
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Search All Fields In All Tables For A Specific Value (Oracle)
...an you not start with whatever client application is displaying this value and try to figure out what query it is using to obtain it?
Anyway, diciu's answer gives one method of generating SQL queries to check every column of every table for the value. You can also do similar stuff entirely in one ...