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When do we have to use copy constructors?
I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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How can I hash a password in Java?
I need to hash passwords for storage in a database. How can I do this in Java?
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation?
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How do search engines deal with AngularJS applications?
I see two issues with AngularJS application regarding search engines and SEO:
15 Answers
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How is an overloaded method chosen when a parameter is the literal null value?
I came across this question in a quiz,
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__proto__ VS. prototype in JavaScript
What are the differences between __proto__ and prototype ?
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How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
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Tips for using Vim as a Java IDE? [closed]
I'm addicted to Vim, it's now my de facto way of editing text files.
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Dump a mysql database to a plaintext (CSV) backup from the command line
I'd like to avoid mysqldump since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql s...
Difference between Key, Primary Key, Unique Key and Index in MySQL
When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ?
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