[keys] Forum Topics

How are keys and passwords stored in a computer to make them secure? If encryption is used to secure keys and passwords - won't there need to be a key or password for it also? Will that one be encrypted as well? It seems to me that eventually there will …

1. What exactly is a surrogate primary key? 2. Is a surrogate primary key just a made up attribute inserted into a table by the database administrator? All I know is that you use a surrogate key when there is no primary key or the natural key may not be …

Hi all. Have been racking my brains about how to go about creating a multidimensional array dynamically from an array of keys. Something like... $keys = array('key1', 'key2', 'key3'); $value = 'some value'; // $md = ...???!!!... I need the $md multidimensional array to have the keys thus... $md['key1']['key2']['key3'] = …

i am getting array output as: Array ( [0] => Array ( [0] => 000000 [1] => 000400 [2] => 000450 ) ) Array ( [0] => Array ( [0] => 000350 [1] => 000400 ) ) i want output like this: Array ( [0] => Array ( [0] => …

Hey I have dictionary like following one dicts = {'met_293': ['81.0175','4','7','7','29.76','23','1','0','22','28.57','2','[KG]EHY'],'met_394': ['79.9579','4','7','7','29.76','18','3','0','15','28.57','2','EHY[ILV]'],'met_309': ['81.0175','4','7','7','29.76','23','1','0','22','28.57','2','[KG]EHY'],'met_387': ['79.9579','4','7','7','29.76','18','3','0','15','28.57','2','EHY[ILV]']} I want to remove keys which have same value like 'met_293' and 'met_309' those two keys have same value at 12th position which is '[KG]EHY' so i want my dictionary like this {'met_293': ['81.0175','4','7','7','29.76','23','1','0','22','28.57','2','[KG]EHY'],'met_394': ['79.9579','4','7','7','29.76','18','3','0','15','28.57','2','EHY[ILV]']} any …

Hello, I want to create tables in database (using SQL) and add foreign keys to each table refering to the other one. For example: CREATE TABLE ONE( ID INT NOT NULL, NAME VARCHAR(20) NOT NULL, TWOID INT NOT NULL, PRIMARY KEY (ID), FOREIGN KEY (TWOID) REFERENCES TWO (ID) ON DELETE …

i have an html form with two text boxes. one is for the product name and the other is for the price. i want the text boxes for price to allow numeric values only. is there a way of limiting user input for this text box using javascript

Hi, I was creating clone of breakout and got the game working correctly. But after setting up menu my keyboard doesnt respond anymore. But if I launch game directly without Menu class keys are working perfectly. Where the problem might be? Here is the full source code. VBreakOut.java package net.viped; …

how do I set a shortcut key for 1 of the textboxes in vb.net. When I goto the textbox and press F3, then it should give the current date in the textfield...Can somebody help me with this?? Thanks in advance..:)

I am looking to create a PBBG game using HTML and CSS for the display and then PHP and MySQL to handle the game itself. It shall only be simple, click on this item and upgrade it if you have enough resources e.t.c. I am hoping to make it a …

Hi, I am currently studying the database. I came across the concept of 'Keys'. I am very much confused in all of them. Can anyone help me by giving comparison between them along with some example?