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How to call a parent class function from derived class function?

...om a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within each class there is a print function. In the definition of the child's print function I would like to make a call to the parents print function. How would I...
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How to check if a file is empty in Bash?

... help you. Notice incidentally that I have swapped the roles of empty.txt and full.txt, as @Matthias suggests. share | improve this answer | follow | ...
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What is the maximum possible length of a .NET string?

...owhere near that. Since no single object in a .NET program may be over 2GB and the string type uses UTF-16 (2 bytes for each character), the best you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine. This is one of those situations where "If you ...
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Converting a double to an int in C#

...le numbers, the even number is returned; that is, 4.5 is converted to 4, and 5.5 is converted to 6. ...while the cast truncates: When you convert from a double or float value to an integral type, the value is truncated. Update: See Jeppe Stig Nielsen's comment below for additional differ...
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Cocoa: What's the difference between the frame and the bounds?

UIView and its subclasses all have the properties frame and bounds . What's the difference? 12 Answers ...
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Using Kafka as a (CQRS) Eventstore. Good idea?

... events in the stream. Each Kafka topic consists of one or more partitions and each partition is stored as a directory on the file system. There will also be pressure from ZooKeeper as the number of znodes increases. share ...
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Download attachments using Java Mail

Now that I`ve downloaded all the messages, and store them to 4 Answers 4 ...
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?

...you explicitly do "0" == false, both sides are being converted to numbers, and then the comparison is performed. When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an empty string is false. Equal (==) If the two operands are not o...
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Difference between Key, Primary Key, Unique Key and Index in MySQL

When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ? 8 Answers 8 ...
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Remove array element based on object property

... answered Mar 8 '13 at 6:19 jAndyjAndy 203k4747 gold badges283283 silver badges345345 bronze badges ...