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Sound alarm when code finishes
I am in a situation where my code takes extremely long to run and I don't want to be staring at it all the time but want to know when it is done.
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How to break out from a ruby block?
...fers control out of the block, out of the iterator that invoked the block, and to the first expression following the invocation of the iterator:
f.each do |line| # Iterate over the lines in file f
break if line == "quit\n" # If this break statement is executed...
puts eval(line)
en...
undefined method `source_index' for Gem:Module (NoMethodError)
I'm running a Rails 2.3.5 application and upon running script/server I am shown the following:
5 Answers
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Android Studio: Where is the Compiler Error Output Window?
When I 'Run' my project in Android Studio, in the 'Messages' window, I get:
15 Answers
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How to read values from properties file?
...b,ccc
If that doesnt work, you can define a bean with properties, inject and process it manually:
<bean id="myProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>classpath*:my.prope...
lsof survival guide [closed]
lsof is an increadibly powerful command-line utility for unix systems. It lists open files, displaying information about them. And since most everything is a file on unix systems, lsof can give sysadmins a ton of useful diagnostic data.
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Button in a column, getting the row from which it came on the Click event handler
... inherit the datacontext of a row data object. I am calling it as MyObject and hope MyObject.ID is what you wanted.
private void Button_Click(object sender, RoutedEventArgs e)
{
MyObject obj = ((FrameworkElement)sender).DataContext as MyObject;
//Do whatever you wanted to do with MyObject.I...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
...returns null in the following cases: 1) if the specified key is not found; and 2) if the specified key is found and its associated value is null. This property does not distinguish between the two cases.
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Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se
...s the issue, then I'd suggest trying to reproduce it with a small project, and then reporting it on Connect, so it could be fixed.
@bjhuffine comments below that there are other ways to enable compatibility mode, without globally disabling it (e.g. per-project). More information here: https://devbl...
Prevent screen rotation on Android
...h I would like to prevent from rotating because I'm starting an AsyncTask, and screen rotation makes it restart.
15 Answers...