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What programming practice that you once liked have you since changed your mind about? [closed]
...wer yet
//relevant comments, instead of spending that time writing overly-descriptive
//commentaries all throughout the code.
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edited Jul 7 '09 at 18:12
...
Postgres unique constraint vs index
..., btree (con_id)
"master_unique_idx" UNIQUE, btree (ind_id)
In table description (\d in psql) you can tell unique constraint from unique index.
Uniqueness
Let's check uniqueness, just in case.
test=# insert into master values (0, 0);
INSERT 0 1
test=# insert into master values (0, 1);
ERROR...
What is the best way to deal with the NSDateFormatter locale “feechur”?
... string = dateFormatter.string(from: date)
return string
} }
usage description:
let date = DateFormatter.getDateFromString(string: "11-07-2001”, fromFormat: "dd-MM-yyyy")
print("custom date : \(date)")
let dateFormatter = DateFormatter.initWithSafeLocale(withDateFormat: "yyyy-MM-dd HH:mm:...
Replace a newline in TSQL
...ted, here's the code.
-- =============================================
-- Description: TRIMs a string 'for real' - removes standard whitespace from ends,
-- and replaces ASCII-char's 9-13, which are tab, line-feed, vert tab,
-- form-feed, & carriage-return (respectively), with a whitespace
-- (...
Why can I add named properties to an array as if it were an object?
...call a "bug" can as well be an awesome "feature". You can add a tittle and description to arrays without affecting their contents or length and without having to wrap them in objects with title, description and items properties. It all depends on how well you know the language and how you use it.
...
How to generate a random number in C++?
...hat sequence - it should look random.
EDIT:
Oh I get it.
Apparently verbal description is not enough (maybe language barrier or something... :) ).
OK.
Old-fashioned C code example based on the same srand()/rand()/time() functions that was used in the question:
#include <stdlib.h>
#include <...
Orchestration vs. Choreography
...ervice composition.
Service Choreography
Service choreography is a global description of the participating services, which is defined by exchange of messages, rules of interaction and agreements between two or more endpoints. Choreography employs a decentralized approach for service composition.
T...
Which is better, return value or out parameter?
...tem;
class Test
{
static int value;
static void ShowValue(string description)
{
Console.WriteLine(description + value);
}
static void Main()
{
Console.WriteLine("Return value test...");
value = 5;
value = ReturnValue();
ShowValue("Va...
How to create id with AUTO_INCREMENT on Oracle?
...tion:
CREATE TABLE departments (
ID NUMBER(10) NOT NULL,
DESCRIPTION VARCHAR2(50) NOT NULL);
ALTER TABLE departments ADD (
CONSTRAINT dept_pk PRIMARY KEY (ID));
CREATE SEQUENCE dept_seq START WITH 1;
Trigger definition:
CREATE OR REPLACE TRIGGER dept_bir
BEFORE INSERT ON ...
How to initialize a List to a given size (as opposed to capacity)?
...would be slightly faster too. Personally I find the code using Repeat more descriptive, and suspect that in the real world the performance difference would be irrelevant, but your mileage may vary.
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