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Why use prefixes on member variables in C++ classes
... not allowed. In my specific case, I found the _L happened to be reserved by Visual C++ 2005 and the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved:
What are the rules about using an u...
Has anyone actually implemented a Fibonacci-Heap efficiently?
...bonacci_heap.hpp. This file has apparently been in pending/ for years and by my projections will never be accepted. Also, there have been bugs in that implementation, which were fixed by my acquaintance and all-around cool guy Aaron Windsor. Unfortunately, most of the versions of that file that I...
Persistent invalid graphics state error when using ggplot2
...
I ran into this same error and solved it by running:
dev.off()
and then running the plot again. I think the graphics device was messed up earlier somehow by exporting some graphics and it didn't get reset. This worked for me and it's simpler than reinstalling gg...
How do I create a datetime in Python from milliseconds?
I can create a similar Date object in Java by java.util.Date(milliseconds) . How do I create the comparable in Python?
5 A...
jQuery Validate - Enable validation for hidden fields
In the new version of jQuery validation plugin 1.9 by default validation of hidden fields ignored . I'm using CKEditor for textarea input field and it hides the field and replace it with iframe. The field is there, but validation disabled for hidden fields. With validation plugin version 1.8.1 ever...
How often does python flush to a file?
...written from the buffer to the file). You can explicitly flush the buffer by calling the flush() method on a file handle.
– Corey Goldberg
Mar 5 '19 at 4:59
3
...
Extract file basename without path and extension in bash [duplicate]
...
Is there a way to combine ##*/ at %.* (by nesting or piping or whatnot) arrive at foo directly?
– bongbang
Nov 26 '14 at 22:09
4
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Bomb dropping algorithm
...s possible to bomb
away the perimeter in a less than optimal fashion, but by using X extra bombs make
the problem of reducing the inner layer simpler by >X bombs. So, if we call
the permiter layer one, if we place an extra X bombs somewhere in layer 2 (just
inside layer 1), can we reduce the...
What does the “Just” syntax mean in Haskell?
...Nothing
That declaration defines a type, Maybe a, which is parameterized by a type variable a, which just means that you can use it with any type in place of a.
Constructing and Destructing
The type has two constructors, Just a and Nothing. When a type has multiple constructors, it means that a ...
How to create id with AUTO_INCREMENT on Oracle?
...is now available on Oracle 12c:
create table t1 (
c1 NUMBER GENERATED by default on null as IDENTITY,
c2 VARCHAR2(10)
);
or specify starting and increment values, also preventing any insert into the identity column (GENERATED ALWAYS) (again, Oracle 12c+ only)
create table t1 (
c1...