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When do you use map vs flatMap in RxJava?
...em, just throw it with a Non checked exception : RX will call the onError handler for you.
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} ...
Constructor function vs Factory functions
Can someone clarify the difference between a constructor function and a factory function in Javascript.
7 Answers
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What is the difference between Tomcat, JBoss and Glassfish?
I am starting to look into Enterprise Java and the book I am following mentions that it will use JBoss. Netbeans ships with Glassfish. I have used Tomcat in the past.
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Cross cutting concern example
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Before understanding the Crosscutting Concern, we have to understand the Concern.
A Concern is a term that refers to a part of the system divided on the basis of the functionality.
Concerns are two types:
The concerns represent...
Unusual shape of a textarea?
...tenteditable
As proposed by @Getz, you can use a div with contenteditable and then shape it with some div on it. Here is an example, with two blocks which float at the upper left and the upper right of the main div:
As you can see, you have to play a little with the borders if you want the same ...
FileSystemWatcher vs polling to watch for file changes
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I have seen the file system watcher fail in production and test environments. I now consider it a convenience, but I do not consider it reliable. My pattern has been to watch for changes with the files system watcher, but poll occasionally to catch missing file changes.
Edit...
Get current time in seconds since the Epoch on Linux, Bash
...e , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
7 Answers
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I've found my software as cracked download on Internet, what to do?
...cation. Today I found the first web site where people download it cracked, and I was wondering if any of you fellow programmers know how to react to such stuff?
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
...meone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates?
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Creating a favicon [closed]
... I discovered I needed more than 10 kinds of files to work in all browsers and devices :(
I got pissed and created my own favicon generator, that creates all these files and the correct HTML header for each one of them: faviconit.com
Hope you enjoy it.
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