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• Issues after customizing the Superfish drop-down menu

  - by Pieter

  I've been tinkering around with the excellent Superfish drop-down menu to fit my needs. Here's the result. Still, there are two oddities I need to fix. Since I changed the font family and font size used for the items in the menu bar, the drop-down menus are aligned incorrectly a few pixels lower than where they should be. Secondly, when I hover over a menu item that has a submenu, an arrow to the right is displayed but it's not as visible as it should be due to the light background color. Can I change this quickly without making a new arrow image?

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• Windows SBS 2003 Remote Desktop Problem

  - by david.healed

  Hi, I used to remote access the SBS 2003 server through RDC and it has been working all the time but now I am unable to connect to the server. Whenever I pressed the "Connect" button on the Remote Desktop Connection dialog, a dialog with messages like "Connecting to: xx.xx.xx.xx" and "Configuring remote session..." appeared and then disappeared quickly, leaving the Remote Desktop Connection dialog there. How to fix the problem? Is the any way to reinstall the Remote Desktop on the server. Thank you.

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• Ending php sessions for debugging purposes

  - by Bill Zimmerman

  Hi, This might be very easy to do, but I haven't been able to figure it out. Basically, I have a loosely couple web-app written in python and php. The python code uses PHP sessions (generated from the PHP app when the user logs in) to check if the user is logged in/has permission to access the given python resource. My question is this: What is the easiest way to force all active sessions to timeout. I would like to do this for debugging purposes, to test out the python code. I tried changing the session.max_lifetime PHP variable, but that still doesn't guarantee that the session has ended and is removed. I tried just deleting the file, but this seems to cause problems (when i refresh the php page, errors show up in my apache logs and it won't reload quickly) Any ideas?

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• VB.net, disable proxy for entire program

  - by Brent

  Ever since upgrading to Visual Studio 2010, I'm running into an issue where the first web request of any type (WebRequest, WebClient, etc.) hangs for about 20 seconds before completing. Subsequent calls work quickly. I've narrowed down the problem to a proxy issue. If I manually disable proxy settings, I don't experience this delay: Dim wrq As WebRequest = WebRequest.Create(Url) wrq.Proxy = Nothing What's strange is that there are no proxy settings enabled on this machine in Internet Options. What I'm wondering is if there is a way to disable proxy settings for my entire project in one shot without explicitly disabling as above for every web object. The main reason I want to be able to do this is that I'm trying to use an API (http://code.google.com/p/google-api-for-dotnet/) which uses web requests, but does not provide any way to manually disable proxy settings. Can anyone point me in the right direction? Thanks!

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• Ugly thing and advantage of anonymos method -C#

  - by nettguy

  I was asked to explain the ugly thing and advantages of anonymous method. I explained possibly Ugly thing anonymous methods turning quickly into spaghetti code. Advantages We can produce thread safe code using anonymous method :Example static List<string> Names = new List<string>( new string[] { "Jon Skeet", "Marc Gravell", "David", "Bill Gates" }); static List<string> FindNamesStartingWith(string startingText) { return Names.FindAll( delegate(string name) { return name.StartsWith(startingText); }); } But really i did not know whether it is thread safe or not.I was asked to justify it. Can any one help me to understand (1) advantages of anonymous methods (2) Is the above code thread safe or not?

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• How many cron jobs are too many?

  - by guitar-

  I have a couple of cron jobs for basic maintenance which aren't very resource-intensive. I also have custom task scheduling (which is just calling a .php file and passing information via GET, ie: cronjob.php?param1=param ...). These can add up pretty quickly. These just call system commands and run external programs (Nmap is one of them). They usually don't take long either. Anyway, can anyone tell me, roughly what point is too many? I know it's hard to say since it depends on what job is being run and how often, but at what point does the crontab program start "struggling"? Anyone have any idea? Thanks.

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• How to measure the time HTTP requests spend sitting in the accept-queue?

  - by David Jones

  I am using Apache2 on Ubuntu 9.10, and I am trying to tune my configuration for a web application to reduce latency of responses to HTTP requests. During a moderately heavy load on my small server, there are 24 apache2 processes handling requests. Additional requests get queued. Using "netstat", I see 24 connections are ESTABLISHED and 125 connections are TIME_WAIT. I am trying to figure out if that is considered a reasonable backlog. Most requests get serviced in a fraction of a second, so I am assuming requests move through the accept-queue fairly quickly, probably within 1 or 2 seconds, but I would like to be more certain. Can anyone recommend an easy way to measure the time an HTTP request sits in the accept-queue? The suggestions I have come across so far seem to start the clock after the apache2 worker accepts the connection. I'm trying to quantify the accept-queue delay before that. thanks in advance, David Jones

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• Launch IE with specific BHO enabled

  - by watsonmw

  I have a IE BHO plugin that I only want to be enabled when the user launches IE from my program (The program start IE using CreateProcess()). I don't want this BHO to be enabled when a user launches IE from outside my program, as that would mean any problems in the BHO could potentially mess up the user's normal browsing experience. What's the best way to do this? One way would be to register the BHO, launch IE and then quickly unregister the BHO. This seems kind of messy though, as a crash in the program that launches IE could cause the BHO to remain registered.

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• Drupal 6 - Including a module form in a view

  - by espais

  I'm making use of the Favorites module, in order to allow my users to favorite nodes they like. Currently, I know that there is a block available for listing out the favorites, along with the 'Add to favorites' button at the top of this list. What I'd like to do is generate the form which includes the button, and include it within each node that I generate. I'd gotten it hacked up and quickly working by copying the generated form and placing it in my views-view--fields-.tpl.php template, however I believe that doing it this way goes against the thought behind Drupal, and probably introduces security issues with the form_id and form_token being hand-written. I've attempted to call the get_form function, and have passed it the form_id that I found in the generated form code, however I can't get Drupal to recognize it. From some Googling I've noticed that generating module forms programmatically may require a hook, but I haven't been able to find any good examples of this. What is the best way to go about creating this form?

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• How do you use scripting language (PHP, Python, etc) to improve your productivity?

  - by Edwin

  Hi, I'm a Delphi developer on the Windows platform, recently read the PHP tutorial at W3CSchools, it looks interesting. We all know scripting languages are very good at web site development, but I also want to utilize it to improve my productivity or get some tedious tasks done quickly, maybe some quick-and-dirty string/file processing? How do you usually do with scripting languages apart from software development? And we need a responsive, decent IDE/editor in order to gain productivity when writing scripts for this purpose? Thanks for in advance!

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• Phonegap: Slow response with vibrate notification

  - by jjei

  I created a simple android application with jquery and phonegap. When testing the app with phone, I noticed that vibration effect, that I have used to indicate that user touches a button, comes after a delay of maybe 0,5 seconds. This is way too long delay and just confuses the user. Is this just the downside of using phonegap? Or is there any configuration or additional frameworks which could be used to make the app response and produce the vibration more quickly? I installed the vibration plugin like this: phonegap local plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-vibration.git I use the code below to create the vibration effect. navigator.notification.vibrate(200); My phone gap version is 3.0.0-0.14.3

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• Packaging up ASPX, CSS and image files

  - by silves89

  I'm designing a simple framework for small websites to be used in an intranet. The websites will all be similar, but there will be a few pages, or controls on pages, that are different. I would like to be able to version and maintain the common framework part of the websites as if they were a regular library - if I need to update CSS then I only have to do it in one place. Can I package-up ASPX files, images and CSS and distribute them like this? What am I missing? My goal is to allow the developers of the few core content pages to get up and running with the websites quickly, with standard styles and images. Thanks!

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• Convert perl one-liner into a script

  - by Stefan Lasiewski

  I find alot of perl one-liners online. Sometimes I want to convert these one-liners into a script, because otherwise I'll forget the syntax of the one-liner. For example, I'm using the following command (from nagios.com): tail -f /var/log/nagios/nagios.log | perl -pe 's/(\d+)/localtime/e' I'd to replace it with something like this: tail -f /var/log/nagios/nagios.log | ~/bin/nagiostime.pl However, I can't figure out the best way to quickly throw this stuff into a script. Does anyone have a quick way to throw these one-liners into a Bash or Perl script?

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• C#: Messaging in local network

  - by Richard

  Hi All, I need to implement some form of communitcation mechanism in my application, to send Notifications/messages from one Application instance to all the others. This is a normal scenario where someone adds and item or deletes and item and you want to notify other users that this has happened. The application runs on the Client and connects to a database on the local network. So its not like all clients access a server instance of the application. So from what I know I could use MessageQueues or some form of Database polling where I have a table that stores all the messages (not ideal). Issue is I need to implement this very quickly, so sadly can't go very complex but need the quickest easiest solution. thanks for the help!

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• How long (max characters) can a datastore entity key_name be? Is it bad to haver very long key_names

  - by indiehacker

  What is the maximum number of characters that can be used to define the key_name of a datastore entity? Is it bad to have very long key_names? For example: Lets say we use key_names of a 170 characters, which is the length of a Twitter message 140 plus 10 numeric characters for latitude and 10 for longtitude and 10 for a timestamp. (Reasoning of such a key_name: So by using such a key_name we can easily and quickly be sure of no duplicate postings, since the same message should not come from the same place and time more than once.)

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• Sync Services With AddressBook

  - by Marcus

  Hi, I've developed an application to sync the Mac address book with another application. I was using an NSNotification (kABDatabaseChangedExternallyNotification) which are sent every time the address book is edited to do the syncing. However I found that if I 'overloaded' the address book (by adding 20 records really quickly or something) I didn't get all of the notifications. I have since found the Sync Services framework which seems to be aimed at my kind of application and it seems to work fine. The problem is that the changes are not 'pushed' to me in the same was as an NSNotification - I have to sync every 5 minutes or so. And, from what I can understand, I shouldn't use the AddressBook API directly but push changes back through sync services. This means that changes are not instant but lagged by how often address book/my app syncs. Is there any way to make it instant? or to use the NSNotifications reliably? Thanks for your time, Marc

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• What language is to binary, as Perl is to text?

  - by ehdr

  I am looking for a scripting (or higher level programming) language (or e.g. modules for Python or similar languages) for effortlessly analyzing and manipulating binary data in files (e.g. core dumps), much like Perl allows manipulating text files very smoothly. Things I want to do include presenting arbitrary chunks of the data in various forms (binary, decimal, hex), convert data from one endianess to another, etc. That is, things you normally would use C or assembly for, but I'm looking for a language which allows for writing tiny pieces of code for highly specific, one-time purposes very quickly. Any suggestions?

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• Tables with no Primary Key

  - by Matt Hamilton

  I have several tables whose only unique data is a uniqueidentifier (a Guid) column. Because guids are non-sequential (and they're client-side generated so I can't use newsequentialid()), I have made a non-primary, non-clustered index on this ID field rather than giving the tables a clustered primary key. I'm wondering what the performance implications are for this approach. I've seen some people suggest that tables should have an auto-incrementing ("identity") int as a clustered primary key even if it doesn't have any meaning, as it means that the database engine itself can use that value to quickly look up a row instead of having to use a bookmark. My database is merge-replicated across a bunch of servers, so I've shied away from identity int columns as they're a bit hairy to get right in replication. What are your thoughts? Should tables have primary keys? Or is it ok to not have any clustered indexes if there are no sensible columns to index that way?

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• shift happens videos

  - by hasan

  im sure you guys must have seen the shift happens video series. here's a link to them : http://www.youtube.com/results?search_query=shift+happens&search_type=&aq=f also, the recent hungry beast video about google, which can be found here: (SO doesnt allow new users more than one hyperlink, so please search on youtube for this one) what i'd like to ask you guys is this: is there a program that enables such videos to be made quickly or is it really just the creative genius of the respective authors? i think vidoes like these are extremely useful when you want to make an impact and would find many uses for such a program in my line of work. im hoping somebody can point me in the right direction. ps. i DO know of animoto, so please dont suggest that :P the problem with animoto is that it doesnt allow text manipulation like these videos. to be fair, that is a great product in itself, but im sure if you take a look, you'll see the difference that im talking abuot.

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• Codeigniter MVC controller architecture

  - by justinbach

  I'm building a site using CodeIgniter that largely consists of static content (although there will be a relatively small CMS backend, and there's code to handle localization/internationalization based on the domain used to access it). Typically, in a situation like this, I'd use a Pages controller that is in charge of rendering static content, but as there are a fair number of pages on the site (30+) it'd quickly end up containing lots of methods (assuming one per page). Should I break my Pages controller into multiple controllers (that perhaps inherit from it) according to different sections of the site? Should I organize methods differently in the Pages controller? What's the best practice here? Thanks! Justin

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• iPhone development time...

  - by Tisch

  I have been asked to develop a relatively simple iPhone application. However, it would be my first application. I am a fairly competent programmer and can turn my skills to a new language fairly quickly... what my question is, is... How long has it taken some of you guys to make your first iPhone application and what was your experience like? Also, if you can say this sort of information, how much did you charge for it?! Thanks in advance. Kindest Regards Tom

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• Is there a C# open-source search app which scales cheaply?

  - by domspurling

  I need to quickly replace a listings website which has the following characteristics: smallish database (10,000 items, < 1GB) < 10% of the items updated/created/removed daily most common activity is searching the whole dataset, returning 1-1000 items traffic peaks at 1m page impressions per day Scaling strategy for the existing app has been to separate read-only and read/write activity. Multiple slave databases are used for searching and writes are done to a master, which update the slaves using MS SQL replication. Since read activity is more common than write, this has proved to be a cheap way to do database load balancing, without true clustering. I now need to replace the app - are there any C# open-source apps which scale as neatly as this?

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• controlling if exceptions are swallowed by a static boolean

  - by sandis

  So we are a few guys developing this product that is communicating with a really unstable server. It often returns very strange and corrupt data. During testing we want the resulting crashes to be loud, so we discover them. But every other day we need to demonstrate our product for a potential customer. To the customer the errors will go undiscovered if we just swallow them. I am thinking about implementing something like this around all server communication to quickly switch between swallowing exceptions and crashing: try { apiCall(); } catch (Exception e) { if(!SWALLOW_EXCEPTION) { throw e; } } Is this an awesome idea, or can it be done in a better way?

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• Why use Oracle Application Express for web app?

  - by Jack

  Hi all. I believe we're moving to Oracle Apex for future development. I've read about Oracle Apex on wikipedia and it's pro and con. It seem to me the con outweigh the pro but maybe I'm wrong. I get the sense that Oracle Apex is for DBA with little or no programing knowledge to setup a web app quickly sort like MS Access for none programmer. If you have Oracle Apex working experience, can you share your though? From wikipedia's entry, it doesn't seem like you need to know any programming language at all but just the PL/SQL? edit: Is Oracle Apex scalable? Can it handle traffic like Facebook's size? Thank. Jack

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• How to figure out optimal C / Gamma parameters in libsvm?

  - by Cuga

  I'm using libsvm for multi-class classification of datasets with a large number of features/attributes (around 5,800 per each item). I'd like to choose better parameters for C and Gamma than the defaults I am currently using. I've already tried running easy.py, but for the datasets I'm using, the estimated time is near forever (ran easy.py at 20, 50, 100, and 200 data samples and got a super-linear regression which projected my necessary runtime to take years). Is there a way to more quickly arrive at better C and Gamma values than the defaults? I'm using the Java libraries, if that makes any difference.

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