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How to manually expand a special variable (ex: ~ tilde) in bash
...ion
Original answer for historic purposes (but please don't use this)
If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You can force expansion via eval like this.
#!/bin/bash
homedir=~
eval homedir=$homedir
echo $home...
Differences between action and actionListener
What is the difference between action and actionListener , and when should I use action versus actionListener ?
4 Ans...
CSS background image alt attribute
... Web browsers are available in a very wide variety of platforms with very different capacities; some cannot display images at all or only a restricted set of type of images; some can be configured to not load images. If your code has the alt attribute set in its images, most of these browsers will d...
How to open a new window on form submit
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if you add the target=_blank, you don'y need the onClick event.
– WhyNotHugo
May 22 '09 at 7:48
5
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What are the downsides to using Dependency Injection? [closed]
...ern here at work and one of our lead developers would like to know: What - if any - are the downsides to using the Dependency Injection pattern?
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What is two way binding?
... a safe, atomic data source to use everywhere within the application. Say, if a model, bound to a view, changes, then its matching piece of UI (the view) will reflect that, no matter what. And the matching piece of UI (the view) can safely be used as a mean of collecting user inputs/data, so as to m...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...for debugging purposes.
I.e. to make sure that the object is the same (or different) depending on the situation.
6 Answers
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LINQ query to return a Dictionary
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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
...tion for anyone who's stuck with the older iteratee API, but I recently verified that an equivalent test passes against the scalaz-stream API. This is a newer stream processing API that is intended to replace iteratee.
For completeness, here's the test code:
// create a stream containing `n` array...
CSS Classes & SubClasses
...nt to be able to have subclasses that are under a class to use the CSS specifically for that class.subclass.
11 Answers
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