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Change the image source on rollover using jQuery

...show/hide the rollover image when the onmousemove/onmouseout event happen. All my image names follow the same pattern, like this: ...
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What do the &,

Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*, ...
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How to get a string after a specific substring?

...("world",1)[1] split takes the word(or character) to split on and optionally a limit to the number of splits. In this example split on "world" and limit it to only one split. share | improve thi...
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How to get a user's client IP address in ASP.NET?

... Request.UserHostAddress to get the IP address in ASP.NET, but this is usually the user's ISP's IP address, not exactly the user's machine IP address who for example clicked a link. How can I get the real IP Address? ...
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What is aspect-oriented programming?

.... People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm? ...
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iPhone get SSID without private library

...e(CNCopySupportedInterfaces()); NSLog(@"%s: Supported interfaces: %@", __func__, interfaceNames); NSDictionary *SSIDInfo; for (NSString *interfaceName in interfaceNames) { SSIDInfo = CFBridgingRelease( CNCopyCurrentNetworkInfo((__bridge CFStringRef)interfaceName)); ...
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Determine if Python is running inside virtualenv

...r sys.base_prefix did not ever exist. So a fully robust check that handles all of these cases could look like this: import sys def get_base_prefix_compat(): """Get base/real prefix, or sys.prefix if there is none.""" return getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", No...
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

... On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there. Select the Execution Env as show below. Click OK Then Right-Click on your Project -> Maven -> Update Project Additionally, yo...
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Batch file: Find if substring is in string (not in a file)

...not a constant (like bcd) but was instead a variable. After much time I finally figured it out. Assuming searchVal has been declared, "x!str1:%searchVal%=!"=="x%str1%" – Gary Brunton Jul 3 '13 at 19:35 ...
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How to implement a ConfigurationSection with a ConfigurationElementCollection

... The previous answer is correct but I'll give you all the code as well. Your app.config should look like this: <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="ServicesSection" type="RT.Core.Config.Servic...