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Geekpedia / Programming FAQ

Programming FAQ

.NET 1.1 / 2.0 FAQ:

Title	Date	Hits	Author
How to find out what versions of .NET Framework you have installed	Sep 16 2006	5609	Andrei Pociu
What is the .NET Framework composed of?	May 20 2006	1699	Andrei Pociu
How to compile into .NET 1.1 using Visual Studio 2005 (.NET 2.0)	Apr 12 2006	5838	Andrei Pociu
In .NET 2.0 sending email with System.Web.SmtpMail doesn't seem to work anymore	May 19 2005	2964	Andrei Pociu
In .NET 2.0 accessing the values stored in web.config through System.Configuration.ConfigurationSettings.AppSettings doesn't seem to work anymore	May 19 2005	7894	Andrei Pociu
How can I pass command line arguments while debugging within Visual Studio .NET?	May 14 2005	17190	Andrei Pociu
How can I easily deploy an ASP.NET web application to a web server?	May 08 2005	2674	Andrei Pociu
In .NET 2.0 Form.Flash and Form.StopFlash seemed to disappear...	May 08 2005	2131	Andrei Pociu
How do I protect my source code from reverse engineering?	Mar 07 2005	3770	Andrei Pociu
A complete list of what each IntelliSense icon from Visual Studio .NET means	Jul 25 2004	4608	Andrei Pociu

Apache FAQ:

Title	Date	Hits	Author
How to redirect www requests to non-www URL	Mar 19 2008	274	Andrei Pociu

ASP.NET FAQ:

Title	Date	Hits	Author
How do I get the list of all session variables?	Aug 31 2007	919	khilitchandra prajapati
How to retrieve the installed ASP.NET version	Sep 15 2006	3682	Andrei Pociu
Can I use my existing DLLs with ASP.NET?	Jul 27 2006	1436	Andrei Pociu
A disabled TextBox or similar control does not maintain its value through PostBack	Jul 27 2006	3419	Andrei Pociu
Adding an item in a DropDownList at a certain position	Jun 06 2006	3565	Andrei Pociu
A potentially dangerous Request.Form value was detected from the client	Jun 03 2006	9434	Andrei Pociu
ASP.NET DropDownList of US states	May 28 2006	5765	Andrei Pociu
ASP.NET DropDownList of countries	May 28 2006	3017	Andrei Pociu
The file web.sitemap required by XmlSiteMapProvider does not exist.	May 28 2006	10497	Andrei Pociu
System.Web.HttpException: Maximum request length exceeded.	May 24 2006	5616	Andrei Pociu
Error while trying to run project: Unable to start debugging on the web server	May 20 2006	4193	Andrei Pociu
Cannot implicitly convert type 'string' to 'System.Drawing.Color'	May 20 2006	10296	Andrei Pociu
The name 'Session' does not exist in the current context	Jan 15 2006	12939	Andrei Pociu
The name 'Request' does not exist in the current context	Jan 08 2006	9880	Andrei Pociu
How to redirect to a different page using Response.Redirect in ASP.NET	Jan 08 2006	4329	Andrei Pociu
What are the special directories in ASP.NET 2.0	Dec 08 2005	2412	Andrei Pociu
A page can have only one server-side Form tag	Oct 06 2005	13437	Andrei Pociu
AutoPostBack - How to submit (PostBack) page when a DropDownList item is selected	Oct 02 2005	6379	Andrei Pociu
Index (zero based) must be greater than or equal to zero and less than the size of the argument list	Sep 25 2005	12790	Andrei Pociu
Can I run ASP.NET applications on Windows XP Home Edition?	Jul 26 2005	3462	Andrei Pociu
Get the path of the ASP.NET web application that is currently running	Jun 20 2005	13155	Andrei Pociu
Can ASP.NET 1.1 applications work along with ASP.NET 2.0 applications?	May 21 2005	7821	Andrei Pociu
Using showModalDialog() with an ASP.NET page that does PostBack opens another window	May 03 2005	8026	Andrei Pociu
How can I set the ASP.NET validators to be visible by default?	May 01 2005	5659	Andrei Pociu
Do I need the PDB (.pdb) file when I deploy my ASP.NET application?	May 01 2005	11451	Andrei Pociu
How can I set the date of a Calendar control to the current date?	Mar 28 2005	3943	Andrei Pociu
How do I get the values when submitting a form (either using GET or POST)?	Mar 07 2005	6853	Andrei Pociu
In ASP .NET, how do I set the script timeout?	Sep 19 2004	7119	Andrei Pociu

C# FAQ:

Title	Date	Hits	Author
Get current screen resolution in C#	Sep 26 2007	1897	Andrei Pociu
How to retrieve the state of Caps Lock, Num Lock and Scroll Lock keys	Sep 23 2007	2692	Andrei Pociu
How to retrieve a list of installed printers	Sep 23 2007	1259	Andrei Pociu
How to check if Windows XP SP2 is installed	May 28 2006	3532	Andrei Pociu
DataBinding: 'System.Data.Common.DbDataRecord' does not contain a property with the name x	Jan 07 2006	6092	Andrei Pociu
Which is the fastest way of checking if a string is empty?	Jan 06 2006	3705	Andrei Pociu
Binding a Repeater control to a jagged array	Dec 16 2005	5793	Andrei Pociu
How to select a random value from an array	Dec 09 2005	7189	Andrei Pociu
Remove selected items from a ListBox	Nov 27 2005	21201	Andrei Pociu
XmlException: Root element is missing	Nov 25 2005	11777	Andrei Pociu
Exception has been thrown by the target of an invocation	Nov 03 2005	31974	Andrei Pociu
Items collection cannot be modified when the DataSource property is set	Nov 03 2005	9822	Andrei Pociu
Get the clicked button of a MessageBox using DialogResult	Oct 27 2005	9424	Andrei Pociu
Array creation must have array size or array initializer	Oct 24 2005	14203	Andrei Pociu
How to validate an URL using RegEx in C#	Oct 22 2005	17963	Andrei Pociu
Using EnsureVisible() to scroll down to the bottom of a ListView	Oct 18 2005	8716	Andrei Pociu
Object cannot be cast from DBNull to other types	Oct 06 2005	21534	Andrei Pociu
How to check if a registry key / subkey already exists	Oct 03 2005	9952	Andrei Pociu
How to convert a variable from double to float	Oct 02 2005	17623	Andrei Pociu
How to remove white (blank) space from a string	Jun 20 2005	42245	Andrei Pociu
How to get a list of SQL Server databases	Jun 16 2005	12845	Andrei Pociu
How to launch an URL in the default browser	Jun 13 2005	11462	Andrei Pociu
How do I generate a random number within a range?	Jun 13 2005	18387	Andrei Pociu
How do I change the mouse cursor to a hourglass?	Jun 13 2005	51698	Andrei Pociu
How do I get the visitor's IP address?	May 14 2005	19032	Andrei Pociu
What is the difference between the int and Int32 datatype, or String and string (lowercase)?	May 14 2005	11569	Andrei Pociu
How to check if a number is odd or even?	Apr 24 2005	26670	Andrei Pociu
How can I insert a new line in a TextBox?	Apr 23 2005	100638	Andrei Pociu
How can I compress files from my C# application?	Apr 14 2005	12966	Andrei Pociu
Use Debug.Assert to get Stack Trace information	Dec 05 2004	7954	Andrei Pociu
How do I create multiple entry points and specify which one to use?	Sep 19 2004	10035	Andrei Pociu
What's the range of each value data type in C#?	Jul 26 2004	6677	Andrei Pociu
How do I retrieve the Major and Minor application (assembly) version and the Build and Revision number?	Jul 25 2004	16244	Andrei Pociu
When you have to pass an array to a method, you can directly pass the values without creating the array	Jul 24 2004	3021	Andrei Pociu
How can I format a number to x decimal places?	Jul 23 2004	55508	Andrei Pociu
How do I stop the form from closing / How do I prompt the user to confirm the closing of the application when he presses the X button?	Jul 20 2004	15742	Andrei Pociu
How do I convert from decimal to hex and hex to decimal?	Jul 20 2004	81345	Andrei Pociu
Can I use MySQL with C#?	Jul 19 2004	4120	Andrei Pociu
How do I set the type of an enumeration?	Jul 16 2004	2827	Andrei Pociu
At compile I get error CS0138: A using namespace directive can only be applied to namespaces	Jul 15 2004	2911	Andrei Pociu
At compile I get error error CS0131: The left-hand side of an assignment must be a variable, property or indexer	Jul 14 2004	4538	Andrei Pociu
How do I prevent a console application from closing immediately?	Jul 14 2004	4017	Andrei Pociu
How to get all logical drives on a system?	Jul 14 2004	6806	Andrei Pociu

C++ FAQ:

Title	Date	Hits	Author
How to swap two numbers without using a third variable	Oct 07 2007	4229	Andrei Pociu
What is the difference between #define and const?	May 21 2007	1735	Andrei Pociu
What is the difference between #include <filename> and #include ""?	May 20 2007	1726	Andrei Pociu
How to convert C++ variables to other data types using casting	Aug 03 2005	6806	Andrei Pociu
How to use #ifdef and #ifndef to check if an identifier has been defined	Jul 30 2005	5291	Andrei Pociu
Fatal error C1083: Cannot open include file: 'iostream.h': No such file or directory when trying to compile your C / C++ code	May 08 2005	48766	Andrei Pociu

CSS FAQ:

Title	Date	Hits	Author
How to import the content of a CSS file into another CSS file	Oct 02 2007	745	Andrei Pociu

General FAQ:

Title	Date	Hits	Author
What is the difference between command.com and cmd.exe?	Sep 01 2006	2118	Andrei Pociu
How to detect if the visitor of a website is using Internet Explorer 7 Beta 1	Aug 04 2005	2460	Andrei Pociu
How to detect if the visitor of a website is running Windows Vista	Aug 04 2005	3129	Andrei Pociu
Where can I report a bug that I found in a Microsoft product such as Visual Studio?	May 18 2005	1812	Andrei Pociu

HTML FAQ:

Title	Date	Hits	Author
How to create a link that adds a contact to MSN Messenger	Dec 09 2005	5791	Andrei Pociu

JavaScript FAQ:

Title	Date	Hits	Author
How to improve the performance of your for loops	Nov 02 2007	963	Andrei Pociu
How to pop up the Print dialog from a web page	Nov 02 2007	1427	Andrei Pociu
How to go back one page in the browser history using JavaScript	Mar 17 2006	9375	Andrei Pociu
How to maximize the browser window using JavaScript	Nov 23 2005	5660	Andrei Pociu
How do I make a JavaScript function wait before executing (sleep / delay)?	Sep 21 2005	43108	Andrei Pociu
A list of keys and the JavaScript char codes they correspond to	Aug 13 2005	11180	Andrei Pociu
How to validate a phone number in JavaScript	Aug 07 2005	17871	Andrei Pociu

MySQL FAQ:

Title	Date	Hits	Author
How to dump a MySQL database to another server in Unix	Oct 02 2007	613	Andrei Pociu
How to reset your MySQL root password under Windows	Sep 02 2006	13454	Andrei Pociu

PHP FAQ:

Title	Date	Hits	Author
How to have PHP show the errors within the current script	Feb 29 2008	374	Andrei Pociu
How do I change the timeout limit for my PHP code?	Nov 11 2007	1000	Andrei Pociu
How to fix Cannot modify header information	Aug 04 2007	1818	Andrei Pociu
How to destroy a session in PHP	Sep 15 2006	2334	Andrei Pociu
How to redirect using PHP	Sep 11 2006	3014	Andrei Pociu
How to get the current Unix timestamp in PHP	Feb 28 2006	5943	Andrei Pociu

Regex FAQ:

Title	Date	Hits	Author
Regular expression for validating phone numbers	Oct 02 2007	3076	Andrei Pociu
Regex string for price validation	Oct 19 2005	3586	Andrei Pociu

SQL FAQ:

Title	Date	Hits	Author
How to find duplicate rows using SQL	Oct 02 2007	1063	Andrei Pociu
How to use if/else statements in SQL	Feb 22 2007	17244	Andrei Pociu
What is the difference between Windows Authentication and SQL Authentication?	Jun 09 2006	4873	Andrei Pociu
The operation could not be completed. Not enough storage is available to complete this operation.	May 22 2006	6821	Andrei Pociu
InternalsVisibleTo declarations cannot have a version in SQL Server 2005 CTP	Feb 07 2006	2643	Andrei Pociu
Cause for 'Failed to retrieve data for this request' error in SQL Server 2005	Dec 30 2005	5218	Andrei Pociu
How to select the last inserted record from the identity column	Dec 17 2005	16455	Andrei Pociu
How to reset the identity column of a SQL table	Dec 14 2005	6234	Andrei Pociu
What is the connection string for connecting to a SQL Server 2005 database?	Sep 21 2005	4990	Andrei Pociu

VB.NET FAQ:

Title	Date	Hits	Author
Open a web page in the default browser	Sep 30 2007	973	Andrei Pociu
Determine if the computer is connected to a network	Sep 22 2007	853	Andrei Pociu
Get current screen resolution in VB.NET	Sep 22 2007	1721	Andrei Pociu
Getting remaining battery power and battery status using VB.NET	Sep 21 2007	1101	Andrei Pociu
Finding the username of the current Windows user with VB.NET	Sep 21 2007	777	Andrei Pociu