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• How can I distribute Exim's mails between 2 or more servers?

  - by user181186

  what is the best way to do it ? Should I configure Exim or point the Mailing application to manage this distribution ?

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• jQuery apply functionality only to class and parent elements.

  - by kylex

  I have the following list: <ul> <li class="topCurrent">One <ul> <li>One-1 <ul> <li>One-1.1 <ul> <li class="current">One-1.1.1 <ul> <li>One-1.1.1.1</li> <li>One-1.1.1.2</li> <li>One-1.1.1.3</li> </ul> </li> <li>One-1.1.2</li> </ul> </li> <li>One-1.2</li> </ul> </li> <li>One-2</li> <li>One-3</li> </ul> </li> <li>Two <ul> <li>Two-1</li> <li>Two-2</li> </ul> </li> Using the following jQuery: $("ul li ul").hide(); $("ul li").hoverIntent( function(){ $(this).children('ul').slideDown('fast'); }, function(){ $(this).children('ul').slideUp('fast'); } ); What this does is hide all of the ul below the top level ul until there is a hover over it. What I would like to do is this: If an li has a class="current" I would like that structure to be open up until the point that current is hit. It would still allow the ul below it to be displayed on a hover, as well as any other ul's, but at no point would the parents of class="current" be hidden. Suggestions? This problem has been driving me crazy. Thanks!

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• .NET dynamic listbox

  - by Mike

  What I wanted to do was create a listbox from a delimited text file. The listbox would populate X # of rows based on the rows of the text file. And the listbox would have 3 columns, each being populated from a specific delimiter. Is this possible in C#? Any starting point would be great!

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• Open source live message plugin wanted

  - by Bill Li

  I need write a live messenger plugin which periodically read messages from a remote http server, and then change my signature(the short message after my name) accordingly. Can anyone point me to any open source project or materials where I can get started? Thanks.

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• Python 3: list atributes within a class object

  - by MadSc13ntist

  is there a way that if the following class is created; I can grab a list of attributes that exist. (this class is just an bland example, it is not my task at hand) class new_class(): def __init__(self, number): self.multi = int(number) * 2 self.str = str(number) a = new_class(2) print(', '.join(a.SOMETHING)) * the attempt is that "multi, str" will print. the point here is that if a class object has attributes added at different parts of a script that I can grab a quick listing of the attributes which are defined.

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• Should I go back and fix work when you learn something new/better?

  - by SnOrfus

  Considering that we're all constantly learning, we've all got to come across a point where we learn something just awesome that improves our code or parts of it significantly. The question is, when you've learned some new technique, strategy or whatever, do your or should you go back to code that you know works, but could be so much better/maintainable/faster/generally improved and implement this new knowledge? I understand the concept of "if it ain't broke, don't fix it" but when does that become losing pride in code you've already written and what does it say for refactoring.

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• Mouse coordinates on Screen

  - by dineshrekula

  How to track the mouse position on the screen regardless of application.i.e. Whenever the user clicks or select something with mouse in any application, i want to display my own menu at that point itself. Is there any way to get mouse position on the screen using c#?

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• What to check to see if server has enough free resources?

  - by kyrisu

  The windows service I am writing will need to run some processor intensive operations once in a while (sound encoding wav - mp3) on a machine that takes part in real time voice communication (so I cannot just run them any-time). What would you check (what counters maybe) before running such operation? Can you point me to any good articles?

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• C++ code generation with Python

  - by norapinephrine

  Can anyone point me to some documentation on how to write scripts in Python (or Perl or any other Linux friendly script language) that generate C++ code from XML or py files from the command line. I'd like to be able to write up some xml files and then run a shell command that reads these files and generates .h files with fully inlined functions, e.g. streaming operators, constructors, etc.

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• How do you revert (roll back) to an earlier version of a committed file in CVS

  - by CodeLizard

  Let's take for example a single file committed in CVS with the following history. test.cpp rev 1.1 rev 1.2 rev 1.3 How do I revert to rev 1.2 discarding the changes in 1.3 and then continue to make modification from that point on?

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• When using Sessions is bad thing, and whats wrong with it?

  - by Amr ElGarhy

  I know that in community server which means that you can't use Sessions, and few years ago i remember i was working on a website where we were not allowed to use sessions. In my point of view sessions are a very helpful tool if we managed how to use the right way, but is using session variable in a website is something bad, when its bad and when its not?

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• why the sexp has array in the end

  - by dorelal

  RubyParser.new.parse "1+1" s(:call, s(:lit, 1), :+, s(:array, s(:lit, 1))) Above code is from this link Why there is array after + in the Sexp. I am just trying to learn ruby parser and the whole AST thing. I have been programming for a while but have no formal education in computer science. So do point to good article which explains AST etc. Please no dragon book. I tried couple of times but couldn't understand much of that book

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• C++ book for a c# developer

  - by Eldila

  I am a c# developer which finds himself having to relearn c++. The last time I programmed in c++ was in school and am looking for good books as a refresher. I want something that assumes previous programming exposure and gets straight to the point. Is there a book similar to K&R for c++? I know the language is bloated so a book that covers a subset of c++ would be ideal.

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• Which methods are good to overwrite when creating custom NSManagedObject subclasses?

  - by mystify

  The Core Data Programming Guide talks a lot about what not to overwrite. So the question is: What is good to overwrite? Like I see it, I can't overwrite -init or -initWithEntity:insertIntoManagedObjectContext: So where else would be a good overwrite point to set up some basic stuff? Or is it generally not needed to do custom initialization? Does the whole thing rely only on accessing properties which then start to do fancy things? So no custom initializations?

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• GridBagConstraints weightx and weighty values

  - by xdevel2000

  In many books weightx and weighty values are expressed in different ways: some says 0.0 to 1.0 other says 0 to 100 other say until 1000 I'm a lot confused. In the API these variables are double types so I think the first is correct but what does it meaning a value of 0.4 or 0.7? are percentage values, point values? relative of what?

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• remove field name from object validation message

  - by Colin G

  I've got a simple active record validation on an object using this within a form: form.error_messages({:message => '', :header_message => ''}) This in turn outputs something like "FieldName My Custom message" What i need to do is remove the field name from the error message but leave my custom message. Can anyone point me in the right direction for this.

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• How do I detect what software is using the webcam on a Windows box (XP,Vista,7)

  - by burnt_hand

  The idea is that I want to build a small app that detects if the webcam is being used and by what. I have thought about seeing who has use of the Twain.dll somehow (like the way process explorer knows) It's for a security style app that picks out weird webcam behaviour. Ideally I would use C# as it's my strong point, but I'm guessing it won't be that nice.

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• create backup file descriptor?

  - by BobTurbo

  stdinBackup = 4; dup2(0, stdinBackup); Currently I am doing the above to 'backup' stdin so that it can be restored from backup later after it has been redirected somewhere else. I have a feeling that I am doing a lot wrong? (eg arbitrarily assigning 4 is surely not right). Anyone point me in the right direction?

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• Simple check for SELECT query empty result

  - by den-javamaniac

  Hi. Can anyone point out how to check if a select query returns non empty result set? For example I have next query: SELECT * FROM service s WHERE s.service_id = ?; Should I do something like next: ISNULL(SELECT * FROM service s WHERE s.service_id = ?) to test if result set is not empty?

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• ASP.NET MVC subdomain shows folder name

  - by Paul

  Hi, I'm using godaddy shared hosting, with IIS7, Integrated mode, and published up a bog standard MVC2 app to dev.lazygekko.com created with Visual Web Developer 2010. It all works, however when any of the links are clicked, they point to dev.lazygekko.com/dev/..., dev being the folder it is pointing at. Can anyone shed some light on what I may be doing wrong? Many thanks.

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• How do I use the Google Maps API GPS sensor?

  - by renegadeofunk

  All I've been able to find is how to specify the sensor parameter: http://code.google.com/apis/maps/documentation/v3/#SpecifyingSensor But nowhere does it say how to actually USE it. Isn't the whole point to be able to get the user's current lat/long coordinates through the device GPS, or am I mistaken?

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• What's wrong with my using argc/argv this way in c?

  - by user198729

  This works: int main( int argc, char *argv[]) { .... gtk_init(&argc, &argv); .... But this doesn't: int WINAPI WinMain (HINSTANCE p1, HINSTANCE p2, LPSTR argv, int argc) { .... gtk_init(&argc, &argv); .... Can someone point out what's wrong there?

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• How to do this glare in photoshop? [closed]

  - by Shonna

  I am trying to duplicate this glare behind the girl, can anyone point me to a tutorial or know how to do it? http://i47.tinypic.com/1564owp.jpg

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• php: determine where function was called from

  - by pol_b

  is there a way to find out, where a function in PHP was called from? example: function epic() { fail(); } function fail() { //at this point, how do i know, that epic() has called this function? }

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• Substitute alt tag with title tag using sed

  - by hardc0de

  I have a PCRE regex that looks like this s/(<input.+?)alt(=".+?".*?>)/$1title$2/ Can anybody help me with making that work on sed? Eventually can anybody point me to some guide/blog post/whatever that explains differences between sed regex and pcre?

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