limitations

What limitations have closures in Python compared to language X closures?

Where X is any programming language (C#, Javascript, Lisp, Perl, Ruby, Scheme, etc) which supports some flavour of closures. Some limitations are mentioned in the Closures in Python (compared to Ruby's closures), but the article is old and many limitations do not exist in modern Python any more. Seeing a code example for a concrete l...

Limiting HTML Input into Text Box

How do I limit the types of HTML that a user can input into a textbox? I'm running a small forum using some custom software that I'm beta testing, but I need to know how to limit the HTML input. Any suggestions? ...

What happen in SQL 2005 when it run out of number for an autonumber column?

What happen when SQL Server 2005 happen to reach the maximum for an IDENTITY column? Does it start from the beginning and start refilling the gap? What is the behavior of SQL Server 2005 when it happen? ...

How to put more than 1000 values into an Oracle IN clause

Is there any way to get around the Oracle 10g limitation of 1000 items in a static IN clause? I have a comma delimited list of many of IDs that I want to use in an IN clause, Sometimes this list can exceed 1000 items, at which point Oracle throws an error. The query is similar to this... select * from table1 where ID in (1,2,3,4,...,...

Windows Server 2008 Licence Limitations

I'm about to purchase a copy of Windows Server 2008 (User CAL, 5 CLT) is IIS Going to be limited to 5 concurrent anonmous internet users? ...

What advantages can be gained and what pitfalls need to be understood when using Ajax?

The following is a very vague and incomplete list of advantages and pitfalls that I am aware of. I would really appreciate it if anyone more knowledgeable in this area could help expend on these... Advantages... User experience can be improved with a faster and seemingly more natural UI. Content and functionality from many different s...

stress client: Limit number of concurrent connection in XP

Hi, i have a web server with my web site and i try stress it but i 'don't be able. I think that the problem is limitated number of concurrent connection in xp(Pro). I wrote a simple client in C# for stress: ... for (int i = 0; i < _numThread; i++) { Thread t = new Thread(CallGetHttp); t.Start(); } ... private void CallGetHttp()...

How do I create a (32-bit) .NET application to use 3 GB RAM?

I am creating a .NET application (C#) that needs to use a lot of RAM. I recently knew that on 32-bit versions of Windows XP I can only use 2 GB, unless I use the /3Gb switch, and set the IMAGE_FILE_LARGE_ADDRESS_AWARE flag in the executable header. But since I'm developing a .NET application, I guess I cannot modify the executable direct...

Are there limitations on the amount of data you can redirect to a file under Windows (XP/2003)?

I'm driving a web services load test using a system of WSF, VBS and JavaScript scripts. The load driver is running on my workstation, sending requests to a remote application server. I'm using WScript.StdOut.Write in the driver script to write results, and just redirecting the output to a text file when I run the test: cscript //nologo ...

Limitations of Running Multiple Instances of MS SQL EXPRESS

I plan on installing Multiple Instances of MS SQL EXPRESS on my Development Server. I am hoping this will let me get around the limitations of SQL EXPRESS: 1 GB of RAM, 1 CPU Database size max 4 GB [I understand and wish that I could afford a full licence version of SQL Server.] So, would this work? Would each instance have the...

Can I set "Parameters per stored procedure" higher than 2100 in SQL Server 2005/08?

There is a hard limit of the number of parameters any single SQL statement can have, and that is 2100 (for SQL Server 2005), or 1024 (for SQL Server 2000). Does anyone know of a way to increase that number? If you'd like to know "why" (as I would be dying of curiosity myself), the ansewr is in this: MyL2SDataContext.Accounts.Where(acc...

Is there a limit to the number of Javascript objects you can have on the go at any one time?

I'm looking into converting a flash app I have into Javascript but was told that it probably wouldn't be possible due to the number of objects I would have to have on the go. Can anyone tell me if this is true and, if it is, what the limits are? TIA, Urf ...

How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish. What are the numbers for the other major browsers? ==== Update: ==== Here's the list so far -- please help complete it! Number of concurrent requests of any type (including...

What is Excel 2007 workbook Name size limit? Why?

Workbook names in Excel 2007 are supposed to be limited in size only by memory, but this appears not to be the case. Eventually, an array saved to a name will get big enough that when you try to save you get (paraphrased): "one or more of the formulas in this workbook is larger than the 8192 character limit, please save as binary file"....

How many rows of data is too many rows of data?

Is there some hard and fast rule about how big is too big for a SQL table? We are storing SCORM tracking data in a name/value pair format and there could be anywhere from 4-12 rows per user per course, down the road is this going to be a bad thing since there are hundreds of courses and thousands of users? ...

What to do with "The input line is too long" error message?

I am trying to use os.system() to call another program that takes an input and an output file. The command I use is ~250 characters due to the long folder names. When I try to call the command, I'm getting an error: The input line is too long. I'm guessing there's a 255 character limit (its built using a C system call, but I couldn't ...

Requests limit per hour

How to limit requests per hour from one IP like it is in Twitter? For example, I want to provide 100 requests per hour. Is there any solution? Apache modules? Thanks. ...

2GB limit on file size when using fwrite in C?

Hi, I have a short C program that writes into a file until there is no more space on disk: #include <stdio.h> int main(void) { char c[] = "abcdefghij"; size_t rez; FILE *f = fopen("filldisk.dat", "wb"); while (1) { rez = fwrite(c, 1, sizeof(c), f); if (!rez) break; } fclose(f); return 0; } When I run the progra...

Accurately accessing VB6 limitations

As antiquated and painful as it is - I work at a company that continues to actively use VB6 for a large project. In fact, 18 months ago we came up against the 32k identifier limit. Not willing to give up on the large code base and rewrite everything in .NET we broke our application into a main executable and several supporting DLL fil...

MySQL limitations

When using MySQL 5.1 Enterprise after years of using other database products like Sybase, Infomix, DB2; I run into things that MySQL just doesn't do. For example, it can only generate an EXPLAIN query plan for SELECT queries. What other things I should watch out for? ...