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• How to solve High Load average issue in Linux systems?

  - by RoCkStUnNeRs

  The following is the different load with cpu time in different time limit . The below output has parsed from the top command. TIME LOAD US SY NICE ID WA HI SI ST 12:02:27 208.28 4.2%us 1.0%sy 0.2%ni 93.9%id 0.7%wa 0.0%hi 0.0%si 0.0%st 12:23:22 195.48 4.2%us 1.0%sy 0.2%ni 93.9%id 0.7%wa 0.0%hi 0.0%si 0.0%st 12:34:55 199.15 4.2%us 1.0%sy 0.2%ni 93.9%id 0.7%wa 0.0%hi 0.0%si 0.0%st 13:41:50 203.66 4.2%us 1.0%sy 0.2%ni 93.8%id 0.8%wa 0.0%hi 0.0%si 0.0%st 13:42:58 278.63 4.2%us 1.0%sy 0.2%ni 93.8%id 0.8%wa 0.0%hi 0.0%si 0.0%st Following is the additional Information of the system? cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Xeon(R) CPU E5410 @ 2.33GHz stepping : 10 cpu MHz : 1992.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca sse4_1 lahf_lm bogomips : 4658.69 clflush size : 64 power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Xeon(R) CPU E5410 @ 2.33GHz stepping : 10 cpu MHz : 1992.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca sse4_1 lahf_lm bogomips : 4655.00 clflush size : 64 power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Xeon(R) CPU E5410 @ 2.33GHz stepping : 10 cpu MHz : 1992.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca sse4_1 lahf_lm bogomips : 4655.00 clflush size : 64 power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Xeon(R) CPU E5410 @ 2.33GHz stepping : 10 cpu MHz : 1992.000 cache size : 6144 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc arch_perfmon pebs bts pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca sse4_1 lahf_lm bogomips : 4654.99 clflush size : 64 power management: Memory: total used free shared buffers cached Mem: 2 1 1 0 0 0 Swap: 5 0 5 let me know why the system is getting abnormally this much high load?

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• Django: get count of ForeignKey item in template?

  - by AP257

  Straightforward question - apologies if it is a duplicate, but I can't find the answer if so. I have a User model and a Submission model, like this: class Submission(models.Model): uploaded_by = models.ForeignKey('User') class User(models.Model): name = models.CharField(max_length=250 ) How can I show the number of Submissions made by each user in the template? I've tried {{ user.submission.count }}, like this: for user in users: {{ user.name }} ({{ user.submission.count }} submissions) but no luck...

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• May I use com.google.code prefix for my packages?

  - by lbownik

  I have a hobby opne source Java project hosted at google code (linkset). May I use a prefix "com.google.code.linkset" as a package name for this project? P.S. I dont own "org.linkset" domain :( but i like the name :)

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• sql "Group By" and "Having"

  - by Hans Rudel

  im trying to work through some questions and im not sure how to do the following Q:Find the hard drive sizes that are equal among two or more PCs. its q15 on this site http://www.sql-ex.ru/learn_exercises.php#answer_ref The database scheme consists of four tables: Product(maker, model, type) PC(code, model, speed, ram, hd, cd, price) Laptop(code, model, speed, ram, hd, screen, price) Printer(code, model, color, type, price) any pointers would be appreciated.

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• Passing data attribute to TextBoxFor not working

  - by john G

  I have the following code inside my ASP.NET MVC 4 razor view: <div> <span class="f">Old Tag</span> @Html.TextBoxFor(model => model.olfTag, new { data_autocomplete_source = Url.Action("AutoComplete", "Home") }) @Html.ValidationMessageFor(model => model.olfTag) </div> But data_autocomplete_source with TextBoxFor will not work. Can anyone give me some advice?

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• This device cannot find enough free resources that it can use. (Code 12)

  - by iTayb

  My audio card won't work from this morning. Problem: This device cannot find enough free resources that it can use. (Code 12) What can I do?

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• Rails - best way to display code only in production?

  - by jyoseph

  I have a few pieces of code that I would like to display only in production, for instance, the showing of disqus comments. What is the best way to go about doing that? Currently I have: <% if RAILS_ENV.eql?('production') %> disqus code here <% end %> But I am not sure if that's the best method, or is that it? Seems pretty verbose and I would need this in a few different places in the application.

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• How to give color to your code in open-office-writer?

  - by kame

  I have code blocks written in Open Office Write and want colorize it. How can I do this? EDIT: When I copy syntax-highlighted code back to open office writer it becomes black again. How can I change this?

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• Is there server-side code which is not cross browser compatible?

  - by Ygam

  Was there a case in any server-side language where a code did not work in a browser while it did work in the rest? I am asking this because I can't imagine such a scenario because server-side code runs in the server, not in the browser but I have seen discussions where, as said, there were "server-side browser compatibility issues". I can't seem to recall where I have read it. Thanks in advance :)

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• Does the HTML Agility Pack contain unmanaged code? If so, will I encounter problems in my applicati

  - by Harikrishna

  Does the HTML Agility Pack contain unmanaged code? If so, will I see any problems when using unmanaged code in my application?

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• Correct model for a database with a table for each user.

  - by BAH

  Kinda stuck here... I have an application with lets say 5000 rows of data per user and was wondering if it was right or wrong to do it this way: On user account creation a new table is created (UserData_[UserID]) or should I just have 1 table for userdata and have everything in there with a column for userid? The reason I am stuck at the moment is that it seems NHibernate isn't able to be mapped to dynamic table names without creating another ISessionFactory which has alot of overhead AFAIK. Any help would be greatly appreciated. Thanks.

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• Python/Django Concatenate a string depending on whether that string exists

  - by Douglas Meehan

  I'm creating a property on a Django model called "address". I want address to consist of the concatenation of a number of fields I have on my model. The problem is that not all instances of this model will have values for all of these fields. So, I want to concatenate only those fields that have values. What is the best/most Pythonic way to do this? Here are the relevant fields from the model: house = models.IntegerField('House Number', null=True, blank=True) suf = models.CharField('House Number Suffix', max_length=1, null=True, blank=True) unit = models.CharField('Address Unit', max_length=7, null=True, blank=True) stex = models.IntegerField('Address Extention', null=True, blank=True) stdir = models.CharField('Street Direction', max_length=254, null=True, blank=True) stnam = models.CharField('Street Name', max_length=30, null=True, blank=True) stdes = models.CharField('Street Designation', max_length=3, null=True, blank=True) stdessuf = models.CharField('Street Designation Suffix',max_length=1, null=True, blank=True) I could just do something like this: def _get_address(self): return "%s %s %s %s %s %s %s %s" % (self.house, self.suf, self.unit, self.stex, self.stdir, self.stname, self.stdes, self.stdessuf) but then there would be extra blank spaces in the result. I could do a series of if statements and concatenate within each, but that seems ugly. What's the best way to handle this situation? Thanks.

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• Django left join m2m field.

  - by duder

  Here's my Model: class User(models.Model): pass class Item(models.Model): pass class ItemVote(models.Model): user = models.ForeignKey(User) item = models.ForeignKey(Item) vote = models.BooleanField() I want to retrieve a list of Items, and I want to know if the current user has voted for each Item. How do I alter my query object so that it will generate sql similar to: SELECT ... FROM items LEFT OUTER JOIN item_votes ON (item_votes.user_id = ? AND item_votes.item_id = items.id)

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• How to load com.android.music code into Eclipse and compile?

  - by JarrettV

  I did a git on the com.android.music app and then created a project in eclipse from existing code. I chose 2.1 as the sdk target but I am getting errors trying to compile. Is the music app referencing code that is not part of the 2.1 sdk? Can someone list the steps for how to compile in eclipse? Description Resource Path Location Type ArrayListCursor cannot be resolved to a type PlaylistBrowserActivity.java Music/src/com/android/music line 529 Java Problem MediaFile cannot be resolved AlbumBrowserActivity.java

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• Where should I put the code for a Django admin action for a third party app?

  - by charlie

  Hi, I'm new to Django. I am writing my own administrative action for a third party app/model, similar to this: http://mnjournal.com/post/2009/jul/10/adding-django-admin-actions-contrib-apps/ It's a simple snippet of code. I'm just wondering where people suggest that I put it. I don't want to put in the third party app because I might need to update to a newer version at some point. Thanks.

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• How to page multiple data sets in ASP.NET MVC

  - by REA_ANDREW

  On a single view I will have three sets of paged data. Which means for each model I will have The Objects The Page Index The Page Size My initial thought was for example: public class PagedModel<T> where T:class { public IList<T> Objects { get; set; } public int ModelPageIndex { get; set; } public int ModelPageSize { get; set; } } Then having a model which is to be supplied to the action as for example: public class TypesViewModel { public PagedModel<ObjectA> Types1 { get; set; } public PagedModel<ObjectB> Typed2 { get; set; } public PagedModel<ObjectC> Types3 { get; set; } } So if I then for example have the Index view inherit from the type: System.Web.Mvc.ViewPage<uk.co.andrewrea.forum.Web.Models.TypesViewModel> Now my initial aciton method for the index is simply: public ActionResult Index() { var forDisplayPurposes = new TypesViewModel(); return View(forDisplayPurposes); } If I then want to page, it is here where I am struggling to decide which action to take. Lets say that I select the next page of the Types2 PageModel. What should the action look like for this in order to return the new view showing the second page of the Types2 PageModel I was thinking possibly to duplicate the action but use it with POST [AcceptVerbs(HttpVerbs.Post)] public ActionResult Index(TypesViewModel model) { return View(model); } Is this a good way to approach it. I understand there is always Session, but I was just wondering how such a thing is achieved currently out there. If any best methods have been mutually accepted and things. So simply, one page with multiple paged models. How to persist the data for each using a wrapper model. Which way should you pass in the model and which way should you page the data, i.e. Form Post Lastly, I have seen the routes take this into account i.e. {controller}/{action}/{id}/{pageindex}/{pagesize} but this only accounts for one model and I do not really wwant to repeat the pagesize and pageindex values for the number of models I have inside the wrapper model. Thanks for your time!! Andrew

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• What IPC method should I use between Firefox extension and C# code running on the same machine?

  - by Rory

  I have a question about how to structure communication between a (new) Firefox extension and existing C# code. The firefox extension will use configuration data and will produce other data, so needs to get the config data from somewhere and save it's output somewhere. The data is produced/consumed by existing C# code, so I need to decide how the extension should interact with the C# code. Some pertinent factors: It's only running on windows, in a relatively controlled corporate environment. I have a windows service running on the machine, built in C#. Storing the data in a local datastore (like sqlite) would be useful for other reasons. The volume of data is low, e.g. 10kb of uncompressed xml every few minutes, and isn't very 'chatty'. The data exchange can be asynchronous for the most part if not completely. As with all projects, I have limited resources so want an option that's relatively easy. It doesn't have to be ultra-high performance, but shouldn't add significant overhead. I'm planning on building the extension in javascript (although could be convinced otherwise if really necessary) Some options I'm considering: use an XPCOM to .NET/COM bridge use a sqlite db: the extension would read from and save to it. The c# code would run in the service, populating the db and then processing data created by the service. use TCP sockets to communicate between the extension and the service. Let the service manage a local data store. My problem with (1) is I think this will be tricky and not so easy. But I could be completely wrong? The main problem I see with (2) is the locking of sqlite: only a single process can write data at a time so there'd be some blocking. However, it would be nice generally to have a local datastore so this is an attractive option if the performance impact isn't too great. I don't know whether (3) would be particularly easy or hard ... or what approach to take on the protocol: something custom or http. Any comments on these ideas or other suggestions? UPDATE: I was planning on building the extension in javascript rather than c++

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• What is a sensible maximum number of characters per line of code? [closed]

  - by Gudmundur Orn

  Everybody's screen size and font are different, so while my code fits on my screen, it might scroll off the right edge of your screen. What should be the maximum length of a line of code?

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• What Java/Scala or .NET web frameworks support modify source code and instantly run workflow e.i. wi

  - by Alexey

  As far as I can see the key advantage of dynamic languages like Ruby or Python over Java/Scala/C# etc is "hot" applying of your changes to source code to the running application. What are the frameworks for JVM or .NET that support the same workflow - apply changes to configuration and source code on the fly? Can they also watch changes to custom configurations and notify application? Note: Frameworks for dynamic languages on JVM/.NET like Grails or Compojure are out of scope here.

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• Is it possible to make XSS attacks through html comments with JSP code inside?

  - by Dmitriy Matveev

  Hello! Is it true that following code adds a XSS vulnerability to some JPS page? <!-- <%=paramName%>=<%=request.getParameter(paramName)%><BR> --> It looks like a "leftover debug" and definitely should be removed from the code, but how dangerous is it?

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• Hard code values into config.js assistance? CKEditor 3.2.1

  - by RIck FLores

  Hello gals/guys, I am trying to hard code the bottom values into my configure.js file in ckeditor root. My goal is to hard code all submitted text as black text color and a light blue background. Values are below. How can I integrate these values into configure.js? Thanks! nano

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• How can I create activerecord models that are subsets of a certain model?

  - by gsiener

  I've seen this before but can't figure out what the correct term is. Basically, I'd like to create models for a specific subset of table data. E.g. (these are not the real classes) class Person < ActiveRecord::Base class Man < Person <something here> :gender => 'male'

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• How to get the city from a Canadian zip code?

  - by burak ozdogan

  Hi, Do you have any experience with obtaining the City from a Canadian zip code? Is there a free web service to obtain city name by passing a Canadian zip code or can a regular expression be useful? Any ideas? Thanks!

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• How to migrate new data model in a CoreData project ?

  - by elementsense

  Hi I have a simple problem, I have an app based on CoreData and I need to change the structure a little. How can I migrate the old structure into the new one. Just adding one attribute will chrash the whole app. Thanks

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• web site development best practices, design or code by first?

  - by pygabriel

  I'm using an MVC framework to develop a web site, I've to care about the design in the sense of look and feel (views) and the code (models, controllers). I don't know what is the best way to proceed: code and design iteratively by small chunks? design first ? you've got the point

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