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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
I am new to Core Data. I have noticed that collection types are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate ...
How to exit git log or git diff [duplicate]
...mmersion .
There's one thing that frustrates me whenever I use git log or git diff :
7 Answers
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Using an ORM or plain SQL? [closed]
For some of the apps I've developed (then proceeded to forget about), I've been writing plain SQL, primarily for MySQL. Though I have used ORMs in python like SQLAlchemy , I didn't stick with them for long. Usually it was either the documentation or complexity (from my point of view) holding me b...
Any good boolean expression simplifiers out there? [closed]
I was refactoring old code and encountered several IF conditions that were way too complex and long and I'm certain they can be simplified. My guess is that those conditions grew so much because of later modifications.
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...ed, and followed by my response.
What's the preferred syntax, and why? Or are they pretty much interchangeable?
I would say that the $(some_command) form is preferred over the `some_command` form. The second form, using a pair of backquotes (the "`" character, also called a backtick and a grav...
HTML Script tag: type or language (or omit both)?
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The language attribute has been deprecated for a long time, and should not be used.
When W3C was working on HTML5, they discovered all browsers have "text/javascript" as the default script type, so they standardized it to be the default value. Hence, you don't need ty...
Should we pass a shared_ptr by reference or by value?
When a function takes a shared_ptr (from boost or C++11 STL), are you passing it:
10 Answers
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How to remove an item for a OR'd enum?
... need to & it with the ~ (complement) of 'BLUE'.
The complement operator essentially reverses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits ...
what is the difference between XSD and WSDL
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Paolo answer is correct. Just enhancing it. As WSDL is actually XML and may or may not have XSD to validate it's structure. Associated XSD may be a separate file and imported in WSDL or full XSD can be embedded inline in WSDL file itself usin...
How does a hash table work?
I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me!
15 Answers
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