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Generating Random Passwords
...axValue is not evenly divisible by characterArray.Length then the randomly selected characters will not be evenly distributed (though this will be a very small effect).
– Jeff Walker Code Ranger
Aug 19 '14 at 17:24
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Detect the Enter key in a text input field
...re for for legacy browsers support)
// keyup is not compatible with Jquery select(), Keydown is.
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Rails: how do I validate that something is a boolean?
...age: validates :field, inclusion: { in: [ true, false ], message: "Please, select one!" }
– tagaism
Mar 23 '18 at 9:28
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What is @ModelAttribute in Spring MVC?
...the form to display to the user. For example it can be used to fill a HTML select:
2.Method argument
public String findPerson(@ModelAttriute(value="person") Person person) {
//..Some logic with person
return "person.jsp";
}
An @ModelAttribute on a method argument indicates the argument...
OSGi: What are the differences between Apache Felix and Apache Karaf?
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One nice feature of any OSGi container is that you can select just the bundles you need and deploy them into your container. So my advice would be to first architect your application, and then pick what you need. The advice to "just install the whole platform because it is featur...
How can I listen for a click-and-hold in jQuery?
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how to select the text with different color when we tap and hold on the device
– Lucky
Oct 22 '13 at 6:16
a...
How do you get current active/default Environment profile programmatically in Spring?
...ar functionality using the annotation @Profile("local") Profiles allow for selective configuration based on a passed-in or environment parameter. Here is more information on this technique: Spring Profiles
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Tab Vs Space preferences in Vim
...andtab
else
setlocal noexpandtab
endif
endif
" show the selected options
try
echohl ModeMsg
echon 'set tabstop='
echohl Question
echon &l:ts
echohl ModeMsg
echon ' shiftwidth='
echohl Question
echon &l:sw
echohl ModeMsg
echon ' sts...
How to get a pixel's x,y coordinate color from an image?
Is there any way to check if a selected(x,y) point of a PNG image is transparent?
4 Answers
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Differences between action and actionListener
...not really useful on command components. They are more useful on input and select components <h:inputXxx>/<h:selectXxx>. In command components, just stick to action and/or actionListener for clarity and better self-documenting code. Moreover, like actionListener, the f:ajax listener does...