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Get selected option text with JavaScript
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Try options
function myNewFunction(sel) {
alert(sel.options[sel.selectedIndex].text);
}
<select id="box1" onChange="myNewFunction(this);">
<option value="98">dog</option>
<option value="7122">cat</option>
<option value="142...
Ruby arrays: %w vs %W
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An application I've found for %W vs %w:
greetings = %W(hi hello #{"how do you do"})
# => ["hi", "hello", "how do you do"]
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SqlDataAdapter vs SqlDataReader
What are the differences between using SqlDataAdapter vs SqlDataReader for getting data from a DB?
5 Answers
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IIS Express Immediately shutting-down running site after stopping web application
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In VS2010 and VS2012, the edit and continue option is disabled by default when creating a new web application project. In VS2013 it is turned on by default.
You can find this option on the Web tab in the web project’s propert...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
...rms of the question, the choice of a particular standard, JPA (RDBMS only) vs JDO (RDBMS + No SQL + ODBMSes + others), DataNucleus supports both, Hibernate is restricted to JPA only.
Performance of Hibernate DB updates
Another issue to consider when choosing an ORM is the efficiency of its dirty c...
Vim: What's the difference between let and set?
...ing sehe's examples ("n/a" means no way to do it with :let)
:verbose set vs n/a (don't think there's another way to list all options)
:set tw=40 vs :let &tw = 40 (yes, you can use the same shorthand in let too)
:set wrap& vs n/a
:set nowrap vs :let &wrap = 0 (for boolean options, 0 is ...
Input size vs width
.../#font-relative-lengths and kyleschaeffer.com/development/css-font-size-em-vs-px-vs-pt-vs and j.eremy.net/confused-about-rem-and-em
– delroh
Sep 25 '14 at 16:58
1
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JavaScript hashmap equivalent
...yourself manually, and use the resulting strings as keys for a regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeId...
Get HTML5 localStorage keys
...rage.length-1; i++)
{
key = localStorage.key(i);
alert(localStorage.getItem(key));
}
}
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Is there a performance gain in using single quotes vs double quotes in ruby?
...reason there is no significant difference in performance when using single vs. double quotes.
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