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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...then further generalized by only requiring that a function exists that can convert the result to whatever data structure the user wants:
map :: IterableLike i ⇒ (a → b) → i → ([b] → c) → c
I admit that the syntax is a bit clunkier, but the semantics are the same. Basically, it starts ...
Which are more performant, CTE or temporary tables?
...en with two CTEs in SQL server. It was taking 28sec.
I spent two minutes converting them to temp tables and the query took 3 seconds
I added an index to the temp table on the field it was being joined on and got it down to 2 seconds
Three minutes of work and now its running 12x faster all by rem...
How do I install Python packages on Windows?
...
@delinco m **module-name**: Searches **sys.path** for the named module and runs the corresponding **.py** file as a script..
– phil294
Jun 16 '18 at 11:52
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Difference between string and char[] types in C++
... and certain functions may only accept a string as input, requiring you to convert the array to a string. It's better to use strings, they were made so that you don't have to use arrays. If arrays were objectively better we wouldn't have strings.
...
Case objects vs Enumerations in Scala
...ceVal(character: Char, pointValue: Int) extends super.Val()
implicit def convert(value: Value) = value.asInstanceOf[ChessPieceVal]
}
The following items from the enumeration definition are not available (happens to be identical to the list for directly using the Java Enum):
3.1 - It would be...
How to remove trailing whitespaces with sed?
... sed v4.4):
sed -Ei 's/[ \t]+$//' "$1"
real 0m0,335s
user 0m0,133s
sys 0m0,193s
sed -Ei 's/[[:space:]]+$//' "$1"
rea
In Scala how do I remove duplicates from a list?
...has a .distinct method.
So calling dirty.distinct is now possible without converting to a Set or Seq.
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Unexpected Caching of AJAX results in IE8
...d Microsoft service proxy its not as simple to solve.
The trick is to use Sys.Net.WebRequestManager.add_invokingRequest method in the event handler change the request url:
networkRequestEventArgs._webRequest._url = networkRequestEventArgs._webRequest._url + '&nocache=' + new Date().getMillisec...
How to analyze a java thread dump?
...ead dump. A Java thread is implemented by a native thread of the operating system. Each thread is represented by a line in bold such as:
"Thread-1" (TID:0x9017A0, sys_thread_t:0x23EAC8, state:R, native ID:0x6E4) prio=5
*The following 6 items explains this as I've matched them from the ...
Is multiplication and division using shift operators in C actually faster?
...upport fast multiplication (and
most didn't back then), the compiler would convert the multiplication
into the appropriate combinations of shifts and add/sub. And because it
knew the final goal, it could sometimes do so in less instructions than
when you explicitly wrote the shifts and the add/subs...