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Why do I need an IoC container as opposed to straightforward DI code? [closed]
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Many folks don't realize that your dependencies chain can become nested, and it quickly becomes unwieldy to wire them up manually. Even with factories, the duplication of your code is just not worth it.
IoC containers can be complex, yes. But for this simple case I've shown it's incredibly easy...
Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
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The compiler first tries to evaluate the right-hand expression:
GetBoolValue() ? 10 : null
The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message.
If you change the right-hand expression to ...
C/C++ check if one bit is set in, i.e. int variable
... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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HTML img tag: title attribute vs. alt attribute?
I was browsing Amazon and I noticed that when searching " 1TB " if you hover the mouse cursor over the stars rating image, you only see the score if using IE. If you are using another browser then the score won't show.
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What characters are valid for JavaScript variable names?
...00C zero width non-joiner characters, U+200D zero width joiner characters, and characters in the Unicode categories “Non-spacing mark (Mn)”, “Spacing combining mark (Mc)”, “Decimal digit number (Nd)”, or “Connector punctuation (Pc)”.
I’ve also created a tool that will tell you if...
Declaring functions in JavaScript [duplicate]
...cally this syntax may mean the same for declaring functions both ways
(I stand incorrect on my last statement. I read up on a diff post why they are technically diff and I'll add in the end, why)
; but the way they play a role in evolving patterns is massive. I would highly recommend "Javascript: Th...
How to pull a random record using Django's ORM?
... of them: newest, one that was not visited for most time, most popular one and a random one.
15 Answers
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What would be C++ limitations compared C language? [closed]
..., it which case it would compile in C, but be shunned by most C++ coding standards, and also by many C programmers; witness the "don't cast malloc" comments all over Stack Overflow).
They are not the same language, and if you have an existing project in C you don't want to rewrite it in a differe...
Namespace + functions versus static methods on a class
... from the same namespace can be declared in multiple headers (the almost-standard swap function is the best example of that).
Extension III
The basic coolness of a namespace is that in some code, you can avoid mentioning it, if you use the keyword "using":
#include <string>
#include <vec...
Is using a lot of static methods a bad thing?
...eep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be able to adjust, then I add a constructor to set C and don't use a static transform.
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