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Why does integer division in C# return an integer and not a float?
...ogrammer to make this mistake of performing integer division when they actually meant to use floating point division, in actual practice integer division is a very common operation. If you are assuming that people rarely use it, and that every time you do division you'll always need to remember to ...
Correct way to write loops for promise.
How to correctly construct a loop to make sure the following promise call and the chained logger.log(res) runs synchronously through iteration? (bluebird)
...
When should a class be Comparable and/or Comparator?
... Comparable means "I can compare myself with another object." This is typically useful when there's a single natural default comparison.
Implementing Comparator means "I can compare two other objects." This is typically useful when there are multiple ways of comparing two instances of a type - e.g....
How to measure time taken by a function to execute
...ction you're measuring time for
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")
NodeJs: it is required to import the performance class
Using console.time: (non-standard) (living standard)
console.time('someFunction')
someFunction() // W...
Data access object (DAO) in Java
I was going through a document and I came across a term called DAO . I found out that it is a Data Access Object. Can someone please explain me what this actually is?
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
...e on your system and removing this line is just ignoring that fact.
2) Installing Node.js / Running away - Many people seem to just end up installing Node.js and using that instead of the JavaScript runtime already on their system. While that is a valid option, it also requires additional software...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
... a way of isolating one part of the script from another, but submitting it all in one block.
BEGIN and END are just like { and } in C/++/#, Java, etc.
They bound a logical block of code. I tend to use BEGIN and END at the start and end of a stored procedure, but it's not strictly necessary ther...
When is it acceptable to call GC.Collect?
The general advise is that you should not call GC.Collect from your code, but what are the exceptions to this rule?
24 An...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...tely blended and integrated in IIS. In this mode, ASP.NET HttpModules basically have nearly as much power as an ISAPI filter would have had and ASP.NET HttpHandlers can have nearly equivalent capability as an ISAPI extension could have. In this mode, ASP.NET is basically a part of IIS.
...
Double negation (!!) in javascript - what is the purpose? [duplicate]
...ue
null to true
+0 to true
-0 to true
'' to true
NaN to true
false to true
All other expressions to false
Then the other ! negates it again. A concise cast to boolean, exactly equivalent to ToBoolean simply because ! is defined as its negation. It’s unnecessary here, though, because it’s only ...