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Why are mutable structs “evil”?
...ue types immutable.
First, you tend to lose changes quite easily... for example, getting things out of a list:
Foo foo = list[0];
foo.Name = "abc";
what did that change? Nothing useful...
The same with properties:
myObj.SomeProperty.Size = 22; // the compiler spots this one
forcing you to d...
How to access parent scope from within a custom directive *with own scope* in AngularJS?
...ards, but I want to avoid something totally hacky or unmaintainable. For example, I know I could do it right now by taking the $scope from the preLink parameters and iterating over it's $sibling scopes to find the conceptual "parent".
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Customizing Bootstrap CSS template
..., be completely (and easily) modifiable, be sustainable (ie – when the next version of Bootstrap is released from Twitter I don’t have to start over.
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Why do we need boxing and unboxing in C#?
Why do we need boxing and unboxing in C#?
11 Answers
11
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Python try…except comma vs 'as' in except
What is the difference between ',' and 'as' in except statements, eg:
5 Answers
5
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How do you check whether a number is divisible by another number (Python)?
...e modulus operator, %
n % k == 0
evaluates true if and only if n is an exact multiple of k. In elementary maths this is known as the remainder from a division.
In your current approach you perform a division and the result will be either
always an integer if you use integer division, or
always...
Error 1022 - Can't write; duplicate key in table
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Exactly as you said. Many constraints were auto generated with the same idcategory iduser names in the rest of the CREATE query - thanks for your help!
– Git-able
Aug 5 '13 at 14:38
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What's the difference between `1L` and `1`?
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So, @James and @Brian explained what 3L means. But why would you use it?
Most of the time it makes no difference - but sometimes you can use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per e...
Functional programming - is immutability expensive? [closed]
The question is in two parts. The first is conceptual. The next looks at the same question more concretely in Scala.
9 Answ...
How to get Linux console window width in Python
...the number of characters that fits in one line without wrapping, not the pixel width of the window.
14 Answers
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