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Avoiding if statement inside a for loop?

...e penalty. The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern. If you are allowed to use C++11, you can do something like this: #include <iostream> #include <set> #include <vector> template <typename Container, ty...
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How to customize ?

...o" /> The CSS for the form control will make it appear invisible and not take up space in the document layout, but will still exist so it can be activated via the label. If you want to display the user’s chosen path after selection, you can listen for the change event with JavaScript an...
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Python 3: ImportError “No Module named Setuptools”

... I installed python3 python3-pip python3-setuptools and it worked. Thanks. – warchantua Sep 5 '17 at 10:07 4 ...
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How do you execute an arbitrary native command from a string?

...cenario: Write a function that accepts a string to be run as a native command. 4 Answers ...
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Read user input inside a loop

...;0 BTW, if you really are using cat this way, replace it with a redirect and things become even easier: while read line; do read -u 3 input echo "$input" done 3<&0 <notify-finished Or, you can swap stdin and unit 3 in that version -- read the file with unit 3, and just leave s...
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How should I print types like off_t and size_t?

I'm trying to print types like off_t and size_t . What is the correct placeholder for printf() that is portable ? 9 ...
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Calling a function from a string in C#

...hisType = this.GetType(); MethodInfo theMethod = thisType.GetMethod(TheCommandString); theMethod.Invoke(this, userParameters); share | improve this answer | follow ...
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What is the best way to tell if a character is a letter or number in Java without using regexes?

What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. ...
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

...at are the different cases when we use these three? Where should I use one and where should I not? 9 Answers ...
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Best way to check if UITableViewCell is completely visible

I have a UITableView with cells of different heights and I need to know when they are completely visible or not. 10 Answe...