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Use of Initializers vs Constructors in Java
...hen the class is loaded, then a static initializer is the way to go, especially as it allows you to do a complex initialization and still have the static variable be final. This is a big win.
I find "if (someStaticVar == null) // do stuff" to be messy and error prone. If it is initialized statica...
Thread Safety in Python's dictionary
...
Should consider single operation vs. composite operations,such as get-add-set.
– andy
Dec 19 '14 at 1:57
5
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Shiro vs. SpringSecurity [closed]
...ation environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience.
For example, consider the Spring XML config example in another post in this thread. He...
Big-oh vs big-theta [duplicate]
It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in.
I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
setImmediate vs. nextTick
... changes documentation suggests using it when doing recursive nextTick calls.
7 Answers
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Surrogate vs. natural/business keys [closed]
...er question is what to use for a logical primary key. They are both essentially just non-null unique index constraints.
– dkretz
Feb 12 '09 at 22:11
1
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Why shouldn't I use “Hungarian Notation”?
...me with its kind (using Joel's example: safe string or unsafe string), so called Apps Hungarian has its uses and is still valuable.
share
edited Sep 26 '08 at 19:56
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JavaScript inheritance: Object.create vs new
...e mentioned that Both examples seem to do the same thing, It's not true at all, because
Your first example
function SomeBaseClass(){...}
SomeBaseClass.prototype = {
doThis : function(){...},
doThat : function(){...}
}
function MyClass(){...}
MyClass.prototype = Object.create(SomeBaseClass....
DateTime vs DateTimeOffset
...s a position on someone's calendar, and there are many different calendars all over the globe. We call these calendars time zones. Calendar time is represented by a DateTime where .Kind is DateTimeKind.Unspecified, or DateTimeKind.Local. And .Local is only meaningful in scenarios where you have a...
'Static readonly' vs. 'const'
...rivate static readonly field).
const values are burned directly into the call-site; this is double edged:
it is useless if the value is fetched at runtime, perhaps from config
if you change the value of a const, you need to rebuild all the clients
but it can be faster, as it avoids a method call....