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Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...p #2: Pick one of those two versions of the JAR, or pick the one from the "extras" area of your SDK installation.
Step #3: Put the right JAR in App Library.
Step #4: Delete the one from App Free, since it will pick up that JAR from App Library.
You are welcome to instead have the same actual JAR ...
Unable to Cast from Parent Class to Child Class
... and adapt the non-existing data. Like converting claws to nails, chasing string to chasing ball, etc...
– TamusJRoyce
Mar 1 '12 at 15:22
...
What exactly is Arel in Rails 3.0?
...eRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query layer that underlies ActiveRecord, but it can also be used as an underpinning for DataMapper, for example.
If it is a replacement for anything, it's a replacement for Ambition. Or, you can think ...
A proper wrapper for console.log with correct line number?
...function')
this.debug[m] = console[m].bind(window.console, klass.toString()+": ")
}else{
for (var m in console)
if (typeof console[m] == 'function')
this.debug[m] = function(){}
}
return this.debug
}
isDebug = true //global debug state
debug = Debugger(isDebug, this...
Can I find out the return value before returning while debugging in Eclipse?
... the parent class and do my debugging in the wrapper/child class. It takes extra work though.
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Is there an ignore command for git like there is for svn?
...
A very useful git ignore command comes with the awesome tj/git-extras.
Here are a few usage examples:
List all currently ignored patterns
git ignore
Add a pattern
git ignore "*.log"
Add one of the templates from gitignore.io
git ignore-io -a rails
git-extras provides many more...
Choose between ExecutorService's submit and ExecutorService's execute
... });
service.shutdown();
}
public static void main(String args[]){
ExecuteSubmitDemo demo = new ExecuteSubmitDemo();
}
}
output:
java ExecuteSubmitDemo
creating service
a and b=4:0
Same code throws by replacing submit() with execute() :
Replace
service.subm...
Remove a HTML tag but keep the innerHtml
...h(function() { return $(this).contents(); });
Or if you know it's just a string:
$("b").replaceWith(function() { return this.innerHTML; });
This can make a big difference if you're unwrapping a lot of elements since either approach above is significantly faster than the cost of .unwrap().
...
What is the difference between range and xrange functions in Python 2.X?
...e lists -- as you can see, time-wise, for a list of a million entries, the extra overhead is only 0.04 seconds. And as Corey points out, in Python 3.0 .xrange() will go away and .range() will give you nice iterator behavior anyway.
...
how can you easily check if access is denied for a file in .NET?
...ened after the required attempts</returns>
public FileStream TryOpen(string filePath, FileMode fileMode, FileAccess fileAccess,FileShare fileShare,int maximumAttempts,int attemptWaitMS)
{
FileStream fs = null;
int attempts = 0;
// Loop allow multiple attempts
while (true)
...