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Are soft deletes a good idea? [duplicate]

... I say it's a bad idea, generally (with some exceptions, perhaps). First, your database should be backed up regularly, so you should never be in a situation where you would lose data permanently because of a DELETE (unless it's a deletion of just-added data, of co...
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Why is address zero used for the null pointer?

...e the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are vali...
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Dictionary vs Object - which is more efficient and why?

What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object? 8 Answers ...
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Difference between a theta join, equijoin and natural join

I'm having trouble understanding relational algebra when it comes to theta joins, equijoins and natural joins. Could someone please help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join? ...
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Is it possible to have nested templates in Go using the standard library?

How do I get nested templates like Jinja has in the python runtime. TBC what I mean is how do I have a bunch of templates inherit from a base templates, just filing in blocks of the base templates, like Jinja/django-templates does. Is it possible using just html/template in the standard library. ...
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Why use HttpClient for Synchronous Connection

...ned, well, HttpClient is the new kid on the block and could contain improvements over the old client. share | improve this answer | follow | ...
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HashSet vs. List performance

...age went away after size 5, for objects after size 20. 1 item LIST strs time: 617ms 1 item HASHSET strs time: 1332ms 2 item LIST strs time: 781ms 2 item HASHSET strs time: 1354ms 3 item LIST strs time: 950ms 3 item HASHSET strs time: 1405ms 4 item LIST strs time: 1126ms 4 item HASHSET strs time:...
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Any difference between First Class Function and High Order Function

...s a difference. When you say that a language has first-class functions, it means that the language treats functions as values – that you can assign a function into a variable, pass it around etc. Higher-order functions are functions that work on other functions, meaning that they take one or more ...
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Maximum Length of Command Line String

In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc ...
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Passing command line arguments from Maven as properties in pom.xml

Is it possible to pass arguments from command line to properties in pom.xml file ? for example I run mvn ... argument 5 ...