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Assigning default values to shell variables with a single command in bash
...ables in a bash (3.00) shell script where if the variable is not set, then it assigns a default, e.g.:
9 Answers
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jQuery textbox change event doesn't fire until textbox loses focus?
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Binding to both events is the typical way to do it. You can also bind to the paste event.
You can bind to multiple events like this:
$("#textbox").on('change keyup paste', function() {
console.log('I am pretty sure the text box changed');
});
If you wanted to be pe...
master branch and 'origin/master' have diverged, how to 'undiverge' branches'?
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You can review the differences with a:
git log HEAD..origin/master
before pulling it (fetch + merge) (see also "How do you get git to always pull from a specific branch?")
When you have a message like:
"Your branch and 'origin/master' have diverge...
Can I use view pager with views (not with fragments)
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You need to override these two methods rather than getItem():
@Override
public Object instantiateItem(ViewGroup collection, int position) {
View v = layoutInflater.inflate(...);
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collection.addView(v,0);
return v;
}
@Override
public void destroyItem(ViewGrou...
How can I install Apache Ant on Mac OS X?
...some older versions of Mac OS X, so you should run ant -version to test if it is installed before attempting to install it.
If it is not already installed, then your best bet is to install Homebrew (brew install ant) or MacPorts (sudo port install apache-ant), and use those tools to install Apache...
Why am I getting error for apple-touch-icon-precomposed.png
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I guess apple devices make those requests if the device owner adds the site to it. This is the equivalent of the favicon. To resolve, add 2 100×100 png files, save it as apple-touch-icon-precomposed.png and apple-touch-icon.png and upload it to the root directory of the server. After that, the e...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
I'm trying to figure out how to reference another area of a page with Markdown. I can get it working if I add a
5 Answers
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
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Check to make sure SQL Server service status is Running.
In addition, ensure that your remote server is in the same network. Run sqlcmd -L to ascertain if your server is included in your network list.
Enable TCP/IP in SQL Server Configuration
When two or more SQL Servers are con...
Naming convention for Scala constants?
...commended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library, and has some support in language semantics: identifiers starting with upper case...
How to convert a String into an ArrayList?
In my String, I can have an arbitrary number of words which are comma separated. I wanted each word added into an ArrayList. E.g.:
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