limitations

Why Subversion doesn't allow "." and "@" in usernames? Or does it?

We want to use the same user-id across all our dev tools, but this limitation from subversion is not allowing us to use email addresses as usernames. ...

What are the limitations for bookmark names in Microsoft Word?

I need to bookmark parts of a document from the name of paragraphs but the name of a paragraph is not always a valid name for a bookmark name. I have not found on Google or MSDN an exhaustive list of limitations for bookmark names. What special characters are forbidden? The only thing I found is that the length must not exceed 40 cha...

Are there any limitations to what can be done in an inline onclick handler?

When adding code to an onclick handler, are there any limitations to what can be done? Can I have unlimited statements separated by ; ? Can I declare variables that will live in the global scope? Can I declare an anonymous function right in there and call it? (function(){})();? Is there any limitation? The reason I'm asking is that i'm...

Are some logical paths inherently untestable?

I have been using TDD to drive the project that I am currently working on and the results have been fairly satisfying. I did run into a problem (described here; still without a solution or any suggestions!) where there are some aspects of a particular method which may not be able to be tested (as in my example; briefly, I want to be able...

How would I restrict visitors from changing the size of text on my web page?

How would I restrict visitors from changing the size of text on my web page (like by means of Strl + +/- in Firefox)? ...

Blocking specific keyboard key combinations using c#

I need the block certain keyboard shortcuts using c# in windows applications. All the key combinations will be specified in config file. Like : Alt + F4 Win + E Win + L what shud be the configuration in app.config for this ? And please help me with some sample code. I am a new bie in this. ...

Open Office org Calc (spreadsheet): limit of 64k rows?

I was using a not-so-up-to-date version of OOo.calc (Open Office Spreasheet component, version 2.04, default for RHEL 5), and bumped into a nasty surprise. When trying to import a csv file (with about 100k row), it said that there is a limitation of max 64k rows, and that remaining rows would just be discarded. I was planning to have use...

How to implement very large scrolled view in Cocoa

Is it wise to create views in Cocoa that have dimensions around 15000 pixels? (of course only small part of this view will be visible at a time in a NSScrollView) Interface Builder has limit of 10000 pixels in size. Is this an artificial limitation or is there a good reason behind it? Should I just create huge view and let NSScrollView...

Apache Django Ajax time or size limit

My ajax responses seem to die out now that I am sending so much data in response to a search form request. I'm using Django with Apache and Firefox and Chrome noth die out if I don't limit my search to few enough results. What's the time or size limit to an Ajax response? ...

Limited matrices in Ruby

How come the Matrix class has no methods to edit it's vectors and components? It seems like everything inside a matrix could be read but not written. Am I mistaking? Is there some third-party elegant Matrix-like class which would allow to delete rows and intentionally edit them? Please, notice me if there are no such - I will stop searc...

What are .NET's uses and limitations?

I have a very shallow idea of .NET and C#/C++.NET. I've used it a few times to create some simple, stand-alone apps. From my simplistic viewpoint, I look at it as another "framework", eg. layer, on top of the OS that can be used to write apps for. Can someone shed some more light on what its limitations are and when it is most useful? I...

Is there a limit when using php mail function?

I am using php and mysql I am going to send 10k++ (ten thousands plus) emails to update my subscribers, and this is the first time I am going to send them. I will use php mail function, basically here is what I will do: First get the data from database: Select name, email FROM data After that, using while loop to send the data: whi...

Crystal Reports Error: The Maximum Report Processing Jobs Limit...

On my web server, which is running Crystal Reports 2008 SP2 I've been getting the error "The maximum report processing jobs limit configured by your system administrator has been reached." Having researched the topic online i came across a fix in which if you alter a registry value, specifically HKEY_LOCAL_MACHINE\SOFTWARE\Business Obj...

JRuby limitations when working with Java Classes

As far as I understand JRuby, it is perfectly possible to use Java class inside JRuby code and vice versa, however, I still don't understand few things. can JRuby work with Java Annotations? is it possible to use reflection from JRuby on Java class? is it possible to use reflection from Java on JRuby class? do I have executable classes...

mysql Varchar size limit

Hi All, Can anyone provide me a quick input on how mysql treat varchar data type size. For Example: - If I have a column in table with field with Varchar(15) and if I try to insert data of length 16, then it gives an error stating "Data too long for column 'testname' at row 1". Does anyone know why varchar fields in mysql take fixed...

ActionScript 3.0, Flash 10.0, Maximum Number of Cue Points, Video

Is there a limit on the number of Cue Points you can use in Flash Video targeting Player 10.X? ...

oracle where in limitation to 1000 / hibernate

Oracle knows the limitation to 1000 elements in the where a in (..) clause. Does this limitation also exist when using Hibernate in conjuction with Oracle? ...

Security in PHP

I've written some PHP scripts to do some server-side work on a headless linux server machine on a LAN. For example, I have http://ipadress/php/operations.php?operation=registerUser&uName=X&uAlias=Y. Now, I want to secure my operations script so that; not everyone on LAN can call it and/or run it but; only the ones that ... have a...

Sharepoint performance under heavy load and capacity limitations

I'm working on a new storage system for a business solution package that consists of around 40 applications. Some of those applications generate documents (mostly docx, some pdf) that are currently saved and organized in a network share folder. Applications generate about 150.000-200.000 documents a year in average, and those documents ...

iPhone - why only one application at a time

I tried to find an explanation for this question, but couldn't. I am new to iPhone development and I was wondering why the iPhone cannot allow/run more than one app at a time? I am pretty sure this is a design feature rather than a lack of functionality. Could someone please explain to me in technical/non-technical words why you can't...