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How does this program work?

...g arguments. and from 6.5.2.2/6, If the expression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on each argument, and arguments that have type float are promoted to double. These are called the default argument promotions. ...
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how to log in to mysql and query the database from linux terminal

I am using debian linux. I have a linux machine on which mysql is install. I can log in to my linux machine using root user as well as other user. I can connect to mysql database on linux machine from windows machine using sqlyog. Now I want to execute queries on linux machine only using linux termi...
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How to process SIGTERM signal gracefully?

... @Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
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Call asynchronous method in constructor?

Summary : I would like to call an asynchronous method in a constructor. Is this possible? 13 Answers ...
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How do you loop in a Windows batch file?

... Conditionally perform a command several times. syntax-FOR-Files FOR %%parameter IN (set) DO command syntax-FOR-Files-Rooted at Path FOR /R [[drive:]path] %%parameter IN (set) DO command syntax-FOR-Folders FOR /D %%paramete...
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?

...robably fine, but you might have an unintended side effect, or you might swallow an exceptional condition (for example, if the source of span is a property or variable that should not be null, but is). I would therefore overload the method: void Foo() { Foo(TimeSpan.FromSeconds(2.0)); } void F...
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What is the main purpose of setTag() getTag() methods of View?

...s that are similar. You could set an OnClickListener for each view individually: button1.setOnClickListener(new OnClickListener ... ); button2.setOnClickListener(new OnClickListener ... ); ... Then you have to create a unique onClick method for each view even if they do the similar things, like:...
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Uri to default sound notification?

... all of these methods work mBuilder.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)); mBuilder.setSound(Settings.System.DEFAULT_NOTIFICATION_URI); mBuilder.setDefaults(Notification.DEFAULT_SOUND); ...
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Passing an array to a query using a WHERE clause

Given an array of ids $galleries = array(1,2,5) I want to have a SQL query that uses the values of the array in its WHERE clause like: ...
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What does a lazy val do?

... printed when it's initialized in same way (I have taken x as var intentionally here - to explain when y gets initialized). Next when y is called, it's initialized as well as value of last 'x' is taken into consideration but not the old one. Hope this helps. ...