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Reading GHC Core
...g Core by reading GHC source. Some is described in my undergraduate thesis from 2002, from page 16.
From using the ghc-core tool, to generate Core in a format I find pleasing.
Core in turn is translated into STG code, which looks something like:
The funny names in Core are encoded in the "Z-enc...
Class with Object as a parameter
...as
class Foo(Base1, Base2):
Foo is being declared as a class inheriting from base classes Base1 and Base2.
object is the mother of all classes in Python. It is a new-style class, so inheriting from object makes Table a new-style class.
...
Simplest way to do a fire and forget method in c# 4.0
...fire-and-forget style, the right way - in the
/// background, separate from the current thread, with no risk
/// of it trying to rejoin the current thread.
/// </summary>
public static void RunBg(Func<Task> fn)
{
Task.Run(fn).ConfigureAwait(false);
}
...
Fastest way to iterate over all the chars in a String
...d this first: http://www.javaspecialists.eu/archive/Issue237.html
Starting from Java 9, the solution as described won't work anymore, because now Java will store strings as byte[] by default.
SECOND UPDATE: As of 2016-10-25, on my AMDx64 8core and source 1.8, there is no difference between using 'ch...
Add SUM of values of two LISTS into new LIST
...
From docs
import operator
list(map(operator.add, first,second))
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AtomicInteger lazySet vs. set
...
Cited straight from "JDK-6275329: Add lazySet methods to atomic classes":
As probably the last little JSR166 follow-up for Mustang,
we added a "lazySet" method to the Atomic classes
(AtomicInteger, AtomicReference, etc). This is a n...
Generating an MD5 checksum of a file
... to for security issues is impossible. IMHO, it should be flat out removed from the library so everybody who uses it is forced to update. So, here's what you should do instead:
[(fname, hashlib.sha256(file_as_bytes(open(fname, 'rb'))).digest()) for fname in fnamelst]
If you only want 128 bits wor...
Do you need to use path.join in node.js?
... Windows command run as a subprocess. Also, Windows API calls (and methods from higher-level languages that call the Windows API) that return paths will use backslashes, so even if you aren't passing them to subprocesses, you'll need to normalize them.
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php check if array contains all array values from another array
I would like to find out if $all contains all $search_this values and return true or false. any idea please?
5 Answers
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Pipe output and capture exit status in Bash
...ails, but if both 'command' and 'tee' fail, he would receive the exit code from 'tee'.
– t0r0X
Mar 7 '18 at 9:24
@Linu...