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Compiled vs. Interpreted Languages
...r doesn't "learn" anything from having seen the line before, the effort of converting human-readable language to machine instructions is incurred every time for every line, so it's dog slow. On the bright side, the user can inspect and otherwise interact with his program in all kinds of ways: Changi...
What is the difference between native code, machine code and assembly code?
...ds and executes directly. All other code must be translated or transformed into machine code before your machine can execute it.
Native code: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes used to mean unmanaged code (see below).
Unmana...
How to call function of one php file from another php file and pass parameters to it?
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Yes include the first file into the second. That's all.
See an example below,
File1.php :
<?php
function first($int, $string){ //function parameters, two variables.
return $string; //returns the second argument passed into the function
}...
Inserting data into a temporary table
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INSERT INTO #TempTable (ID, Date, Name)
SELECT id, date, name
FROM physical_table
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How do I use CREATE OR REPLACE?
...y):
create or replace procedure NG_DROP_TABLE(tableName varchar2)
is
c int;
begin
select count(*) into c from user_tables where table_name = upper(tableName);
if c = 1 then
execute immediate 'drop table '||tableName;
end if;
end;
...
What's the common practice for enums in Python? [duplicate]
...aterials:
Shaded, Shiny, Transparent, Matte = range(4)
>>> print Materials.Matte
3
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控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别而OnPaint()是CWnd的类成员，同时负责响应WM_PAINT消息。OnDraw()是CVIEW的成员函数，并且没有响应消息的功能。这就是为什么你用VC成的程序...OnPaint()是CWnd的类成员，同时负责响应WM_...
How many concurrent requests does a single Flask process receive?
...a single core has multiple execution units and an instruction decoder that converts the "machine code" seen from the software side into the actual hardware micro-ops that are dispatched to the individual execution units.
– Michael Geary
Aug 10 '19 at 17:23
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Transactions in REST?
...playing with semantics to me; I'm uncomfortable with the nominalization of converting verbs into nouns to make it RESTful, "because it uses nouns (URIs) instead of verbs (RPC calls)". i.e. the noun "committed transaction resource" instead of the verb "commit this transaction". I guess one advantage...
Difference between __str__ and __repr__?
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__repr__: representation of python object usually eval will convert it back to that object
__str__: is whatever you think is that object in text form
e.g.
>>> s="""w'o"w"""
>>> repr(s)
'\'w\\\'o"w\''
>>> str(s)
'w\'o"w'
>>> eval(str(s))==s
Traceb...