All Questions
24,196,039
questions
86
votes
6
answers
18k
views
How do I print an HTML document from a web service?
I want to print HTML from a C# web service. The web browser control is overkill, and does not function well in a service environment, nor does it function well on a system with very tight security ...
343
votes
21
answers
128k
views
How to do version control for SQL Server database?
I want to get my databases under version control.
I'll always want to have at least some data in there (as alumb mentions: user types and administrators). I'll also often want a large collection of ...
64
votes
10
answers
178k
views
Embedding Windows Media Player for all browsers
Edit: This question was written in 2008, which was like 3 internet ages ago. If this question is still relevant to your environment, please accept my condolences. Everyone else should convert into a ...
101
votes
7
answers
10k
views
How do I sync the SVN revision number with my ASP.NET web site?
Stack Overflow has a subversion version number at the bottom:
svn revision: 679
I want to use such automatic versioning with my .NET Web Site/Application, Windows Forms, WPD projects/solutions.
...
90
votes
8
answers
22k
views
How do I track file downloads
I have a website that plays mp3s in a flash player. If a user clicks 'play' the flash player automatically downloads an mp3 and starts playing it.
Is there an easy way to track how many times a ...
60
votes
9
answers
5k
views
Compressing / Decompressing Folders & Files
Does anyone know of a good way to compress or decompress files and folders in C# quickly? Handling large files might be necessary.
39
votes
1
answer
2k
views
XSD DataSets and ignoring foreign keys
I have a pretty standard table set-up in a current application using the .NET XSD DataSet and TableAdapter features. My contracts table consists of some standard contract information, with a column ...
89
votes
5
answers
97k
views
How to export data from SQL Server 2005 to MySQL [closed]
I've been banging my head against SQL Server 2005 trying to get a lot of data out. I've been given a database with nearly 300 tables in it and I need to turn this into a MySQL database. My first ...
105
votes
18
answers
27k
views
How would you access Object properties from within an object method? [closed]
What is the "purist" or "correct" way to access an object's properties from within an object method that is not a getter/setter method?
I know that from outside of the object you should use a getter/...
121
votes
16
answers
81k
views
Java lib or app to convert CSV to XML file? [closed]
Is there an existing application or library in Java which will allow me to convert a CSV data file to XML file?
The XML tags would be provided through possibly the first row containing column ...
45
votes
1
answer
2k
views
ASP.NET Site Maps
Does anyone have experience creating SQL-based ASP.NET site-map providers?
I have the default XML file web.sitemap working properly with my Menu and SiteMapPath controls, but I'll need a way for the ...
68
votes
2
answers
6k
views
Decoding T-SQL CAST in C#/VB.NET
Recently our site has been deluged with the resurgence of the Asprox botnet SQL injection attack. Without going into details, the attack attempts to execute SQL code by encoding the T-SQL commands in ...
52
votes
8
answers
17k
views
Best Subversion clients for Windows Vista (64bit) [closed]
I've been using TortoiseSVN in a Windows environment for quite some time. It seems very feature-complete and nicely integrated into the Windows shell, and more importantly, it's fairly painless to ...
181
votes
15
answers
15k
views
Anatomy of a "Memory Leak"
In .NET perspective:
What is a memory leak?
How can you determine whether your application leaks? What are the effects?
How can you prevent a memory leak?
If your application has memory leak, does it ...
163
votes
3
answers
56k
views
How do you branch and merge with TortoiseSVN? [closed]
How do you branch and merge with Apache Subversion using the TortoiseSVN client?
106
votes
10
answers
45k
views
Is gettimeofday() guaranteed to be of microsecond resolution?
I am porting a game, that was originally written for the Win32 API, to Linux (well, porting the OS X port of the Win32 port to Linux).
I have implemented QueryPerformanceCounter by giving the uSeconds ...
132
votes
11
answers
70k
views
Flat file databases [closed]
What are the best practices around creating flat file database structures in PHP?
A lot of more matured PHP flat file frameworks out there which I attempt to implement SQL-like query syntax which is ...
54
votes
3
answers
7k
views
SQLStatement.execute() - multiple queries in one statement
I've written a database generation script in SQL and want to execute it in my Adobe AIR application:
Create Table tRole (
roleID integer Primary Key
,roleName varchar(40)
);
Create Table ...
50
votes
4
answers
11k
views
Getting Subclipse in Aptana to work with the newest release of Subversion
The version of Subclipse (1.2.4) currently available through Aptana's automatic Plugins Manager does not work with the newest version of Subversion.
I see on the Subclipse website however that they ...
48
votes
2
answers
2k
views
How do I add existing comments to RDoc in Ruby? [closed]
I want to format my existing comments as 'RDoc comments' so they can be viewed using ri.
What are some recommended resources for starting out using RDoc?
89
votes
4
answers
6k
views
Paging a collection with LINQ
How do you page through a collection in LINQ given that you have a startIndex and a count?
53
votes
1
answer
5k
views
Microsoft Office 2007 file type, Mime types and identifying characters
Where can I find a list of all of the MIME types and the identifying characters for Microsoft Office 2007 files?
I have an upload form that is restricting uploads based on the extensions and ...
117
votes
7
answers
27k
views
How do I get a distinct, ordered list of names from a DataTable using LINQ?
I have a DataTable with a Name column. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
var names =
(from DataRow dr in ...
292
votes
28
answers
258k
views
Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter, it will use that button to submit the ...
293
votes
8
answers
41k
views
Best way to allow plugins for a PHP application [closed]
I am starting a new web application in PHP and this time around I want to create something that people can extend by using a plugin interface.
How does one go about writing 'hooks' into their code ...
114
votes
3
answers
8k
views
Reliable timer in a console application
I am aware that in .NET there are three timer types (see Comparing the Timer Classes in the .NET Framework Class Library). I have chosen a threaded timer as the other types can drift if the main ...
153
votes
9
answers
80k
views
Check for changes to an SQL Server table?
How can I monitor an SQL Server database for changes to a table without using triggers or modifying the structure of the database in any way? My preferred programming environment is .NET and C#.
I'd ...
97
votes
8
answers
12k
views
How to unload a ByteArray using Actionscript 3?
How do I forcefully unload a ByteArray from memory using ActionScript 3?
I have tried the following:
// First non-working solution
byteArray.length = 0;
byteArray = new ByteArray();
// Second non-...
176
votes
9
answers
17k
views
How to use the C socket API in C++ on z/OS
I'm having issues getting the C sockets API to work properly in C++ on z/OS.
Although I am including sys/socket.h, I still get compile time errors telling me that AF_INET is not defined.
Am I missing ...
197
votes
7
answers
106k
views
Throw an error preventing a table update in a MySQL trigger
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
353
votes
23
answers
71k
views
What is the fastest way to get the value of π?
I'm looking for the fastest way to obtain the value of π, as a personal challenge. More specifically, I'm using ways that don't involve using #define constants like M_PI, or hard-coding the number in.
...
199
votes
9
answers
88k
views
Binary Data in MySQL [closed]
How do I store binary data in MySQL?
158
votes
7
answers
89k
views
Filling a DataSet or a DataTable from a LINQ query result set
How do you expose a LINQ query as an ASMX web service?
Usually, from the business tier, I can return a typed DataSet or a DataTable which can be serialized for transport over ASMX.
How can I do the ...
506
votes
14
answers
188k
views
Difference between Math.Floor() and Math.Truncate()
What is the difference between Math.Floor() and Math.Truncate() in .NET?
720
votes
27
answers
311k
views
Determine a user's timezone
Is there a standard way for a web server to be able to determine a user's timezone within a web page?
Perhaps from an HTTP header or part of the user-agent string?
1656
votes
42
answers
204k
views
Calculate relative time in C#
Given a specific DateTime value, how do I display relative time, like:
2 hours ago
3 days ago
a month ago
2255
votes
75
answers
835k
views
How do I calculate someone's age based on a DateTime type birthday?
Given a DateTime representing a person's birthday, how do I calculate their age in years?
320
votes
7
answers
25k
views
Why did the width collapse in the percentage width child element in an absolutely positioned parent on Internet Explorer 7?
I have an absolutely positioned div containing several children, one of which is a relatively positioned div. When I use a percentage-based width on the child div, it collapses to 0 width on IE7, but ...
809
votes
13
answers
78k
views
How to convert Decimal to Double in C#?
I want to assign the decimal variable "trans" to the double variable "this.Opacity".
decimal trans = trackBar1.Value / 5000;
this.Opacity = trans;
When I build the app it gives ...