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• Book (or resource) on Java bytecode

  - by Andrea

  I am looking for some resources on the JVM bytecode. Ideally I would for a short book; something more than a blog post but not a 800 pages tome. If it is relevant, I am a Scala developer, not a Java one, although I know Java just fine. I would like something that allowed me to read JVM bytecode and answer questions such as: Why does the bytecode has to know about high level construct such as classes? Are subtyping relations still visible in bytecode? How does type erasure work exactly? How do Oracle and Dalvik bytecode differ, and what consequences does this have for, say, developing Android apps with Scala? How does the JVM manage the stack, and why exactly this creates issues with tail call elimination? and so on.

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• How to profile LINQ to Entities queries in your asp.net applications - part 1

  - by nikolaosk

  I have been teaching ASP.Net and EF in one of my classes and I have been asked on the various ways we can profile database activity. Everyone that I know that uses EF as its data access layer has the same question. "How can I see the T-SQL code that the LINQ to Entities engine generates on the fly?" I know a lot of people use VS studio built-in visualisers but that is not enough. A lot of developers use SQL Server Profiler. That is also a good solution since we can see the queries(generated from...(read more)

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• Are there any good guides for making mods for Minecraft?

  - by Pureferret

  I've been coding in Java for 5 months at work now, and having past experience with programming in other languages, modifying existing code at Uni etc. I feel like I want to get started on (read: continue learning to program by) modding with minecraft. I know what I need, but not exactly how to do so. I once saw some good guides on the minecraft forum, but they all explained how to write in java, hows different classes in the code work etc. I'm more interested in how you decompile the code, write your own separate from the main 'trunk' of minecraft and then package it to install with a tool like 'Magic Loader'. My issue with these guides is that they always relied on being in windows, but I'm primarily a linux user, and the guides on the forums only seemed to assume you were on a Windows box. So is there a good 'walkthrough' for modding for Minecraft? Especially one where it assumes or at least allows for the fact you are in linux?

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• Did You Know? More online seminars!

  - by Kalen Delaney

  I am in Tucson again, having just recorded two more online workshops to be broadcast by SSWUG. We haven't set the dates yet, but we are thinking about offering a special package deal for the two of them. The topics really are related and I think they would work well together. They are both on aspects of Query Processing. The first was on how to interpret Query Plans and is an introduction to the topic. However, it only includes a discussion of how SQL Server actually processes your queries. For example,...(read more)

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• 5 Things SQL Server should get rid of

  - by Jonathan Kehayias

  Paul Randal ( blog | twitter ) started a new meme last night with his blog post " What 5 things should SQL Server get rid of? " A few bloggers have posted their top 5 lists, so here is mine. Creating Foreign Keys without mentioning Indexes This is probably a performance tuning consultants favorite.  I know that Greg Low has blogged about this in the past (see Indexing Foreign Keys - should SQL Server do that automatically? ) and back then, and now I still do think this should be an...(read more)

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• Where do lucid-updates come from?

  - by timbooo

  Considering the following command: # apt-get --simulate --show-upgraded upgrade Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: libimobiledevice0 libpam-ck-connector libparted0debian1 Inst libimobiledevice0 [0.9.7-1ubuntu1] (0.9.7-1ubuntu1.2 Ubuntu:10.04/lucid-updates) Inst libpam-ck-connector [0.4.1-3ubuntu1] (0.4.1-3ubuntu2 Ubuntu:10.04/lucid-updates) Inst libparted0debian1 [2.2-5ubuntu5.1] (2.2-5ubuntu5.2 Ubuntu:10.04/lucid-updates) [...] I can read an Inst line as the following: Inst <package> [<oldversion>] (<newversion> Ubuntu:10.04/lucid-updates) Can someone tell me where the Ubuntu:10.04/lucid-updates comes from? - Considering an own repository, how is this configurable?

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• How to use PAM to restrict HTTP access for some users?

  - by MaxB

  I've read that PAM can be used to restrict HTTP access for some users, but I can't figure out how to do it in Ubuntu 12.04. The /etc/security/time.conf man page contains this example: All users except for root are denied access to console-login at all times: login ; tty* & !ttyp* ; !root ; !Al0000-2400 For this to work, /etc/pam.d/login needs to have a line account requisite pam_time.so This example works, and I tried to adapt it to limit HTTP access from the console. I added http ; tty* & !ttyp* ; !root ; !Al0000-2400 to /etc/security/time.conf, and created /etc/pam.d/http with account requisite pam_time.so This doesn't work. I can still use wget as non-root from the console.

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• Will you be at the PASS Summit?

  - by KKline

  Don't forget about the cool services from SQL Sentry for Summiteers, like the free area shuttle and the printed area maps ! Details are in a 5-part series by our CEO, Greg Gonzalez, at http://greg.blogs.sqlsentry.net/ . Are you coming to Charlotte next week for the PASS Summit ? Let's connect! When ever it's open, I'll be in the Exhibit Hall at the SQL Sentry booth unless I'm delivering a session or something of that nature. Here's the sessions I've got on the calendar - Tue, Oct 15: First-timers...(read more)

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• Netflix Rolls Out Polished New iPhone and Android Apps [Video]

  - by Jason Fitzpatrick

  If you’re a Netflix subscriber, you’ve got a brand spanking new mobile interface to take for a spin. Last week Netflix released a brand new iOS interface, this week it’s a brand new Android interface. The above video showcases the new iOS interface for mobile playback on devices like the iPhone and iPad. The slick new layout makes it even easier to browser new content and resume watching content you’ve paused at home or on the go. For a peek at the new (and similar) Android interface, check out the video below: For more information about the respective apps, visit their download pages to read up and grab a copy. Netflix for Android / iOS How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• What are cons of usage only non-member functions and POD?

  - by Miro

  I'm creating my own game engine. I've read these articles and this question about DOD and there was written to not use member functions and classes. I also heard some criticism to this idea. I can write it using member functions or non-member functions it would be similar. So what are benefits/cons of that approach or when project grows, does any of these approaches give clearer and better manageable code? With POD & non-member functions I don't have to make struct members public I can still use object id outside of engine like OpenGL does with all it's stuff, so It's not about encapsulation. POD - plain old data DOD - data oriented design

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• How do you navigate and refactor code written in a dynamic language?

  - by Philippe Beaudoin

  I love that writing Python, Ruby or Javascript requires so little boilerplate. I love simple functional constructs. I love the clean and simple syntax. However, there are three things I'm really bad at when developing a large software in a dynamic language: Navigating the code Identifying the interfaces of the objects I'm using Refactoring efficiently I have been trying simple editors (i.e. Vim) as well as IDE (Eclipse + PyDev) but in both cases I feel like I have to commit a lot more to memory and/or to constantly "grep" and read through the code to identify the interfaces. As for refactoring, for example changing method names, it becomes hugely dependent on the quality of my unit tests. And if I try to isolate my unit tests by "cutting them off" the rest of the application, then there is no guarantee that my stub's interface stays up to date with the object I'm stubbing. I'm sure there are workarounds for these problems. How do you work efficiently in Python, Ruby or Javascript?

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• How SQL Saturday could be better

  - by AaronBertrand

  I've been to a lot of SQL Saturdays. They are great events to attend - from a community standpoint, from a learning standpoint, and from a speaker growth standpoint. Who could ask for more, right? Great sessions, from passionate speakers willing to both teach and learn, fantastic networking opportunities and lunch. All for free, or at a very low cost - some events need to recover costs and charge $10 for lunch. Still a phenomenal bargain IMHO. But we all know that these events aren't perfect... there...(read more)

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• Exchange with Evolution or any other mail client

  - by Oscar Godson

  I see other questions about this, no answers and no one with a completely similar question. I work for a place with an Exchange 2007 server. There is an http://owa.ourserver.com that is accessible from anywhere. I've tried every combo I can think of for Evolution - Microsoft Exchange, including the MAPI plugin, but then I read that, that doesn't work on OWA Exchange email servers and I can't get it to connect at all that way. If there is no way to connect via Evolution, is there another mail client? I tried Thunderbird, but I couldn't get it to work with Exchange either...

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• Wubi 12.04 boot error message

  - by Leandro

  Im having a boot problem with my Wubi 12.04 system. When Ubuntu starts to boot up, a message will appear in my screen and it's something like: T#s..... does not exist Sorry, I couldn't read all the message. Then another message pop-out after Ubuntu loading screen this time the message is this: Gave up waiting for root device. Common problems: -Boot args (cat /proc/cmdline) -check rootdelay= (did the system wait long enough?) -check root= (did the system wait for the right device?) -missing module (cat /proc/module: ls /dev) ALERT! /dev/disk/by/by_uuid/EODC2345DC231576 does not exist. Dropping to a shell

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• how to bind data binding source to group radio buttons

  Hi I am working on windows c# application (visual studio 20008).In my form I have 5 Radio buttons ,grouped by group box. I have to bind this radio button to data binding source. this.rdoptPlus.DataBindings.Add(new Binding("Checked", MemberDefinitionsBindingSource, "UnaryOperator", true)); this.rdoptMinus.DataBindings.Add(new Binding("Checked", MemberDefinitionsBindingSource, "UnaryOperator", true)); i am unable to bind single datacolum to 5 radio buttons,please help me  read moreBy masuri suhasiniDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Ubuntu 12.04 - compiz - make sphere to like like a planet

  - by gotqn

  I have read topics of people that what to style their compiz sphere like a planet and set a background image like space. It definitely very good idea, but I have not been able to find a tutorial of how this is done (only some clips in youtube of people who have done this and a plugin, but it is not known to work work 12.04 version of Ubuntu). I have set my settings of compiz manager, so I have a sphere now, but I need some help with the images that I need to set. Has anyone idea how these pictures should be created and who the compiz will concatenate them?

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• YouTube: CoffeeScript Rocks (in NetBeans IDE)

  - by Geertjan

  CoffeeScript is a handy preprocessor for JavaScript, as shown in a quick demo below on YouTube, using the CoffeeScript plugin for NetBeans IDE. Right now, the NetBeans Plugin Portal doesn't have a CoffeeScript plugin for NetBeans IDE 7.4, but not to worry, the NetBeans IDE 7.3 plugin works just fine. http://plugins.netbeans.org/plugin/39007/coffeescript-netbeans Here's a small YouTube clip I made today showing how it all works: Also read this very handy and detailed NetBeans tutorial, on which I based the demo above: https://netbeans.org/kb/docs/web/js-toolkits-jquery.html Related info: http://www.youtube.com/watch?v=QgqVh_KpVKY http://www.ibm.com/developerworks/library/wa-coffee1/ http://blog.sethladd.com/2012/01/vanilla-dart-ftw.html http://api.jquery.com/fadeOut/

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• Down Time

  - by andyleonard

  Introduction Every now and then, everyone needs a break. How do we respond when community leaders need a break? How should we respond? It's Normal People are cyclic animals - humans are diurnal by nature. We eat at regular intervals and are most comfortable when things go according to schedule. This is the lizard brain in action. So it's perfectly normal for community volunteers and leaders to engage in cycles of activity and inactivity in the community. It is, after all, another cycle. We rely on...(read more)

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• Presenting in the UK 8-13 Sep 2012!

  - by andyleonard

  I will be in London delivering SSIS training ( Learning SQL Server 2012 Integration Services - 12-14 Sep). Whle there, I will be making other presentations! I am honored to present Designing an SSIS Framework at SQL Saturday #162 in Cambridge, UK on 8 Sep 2012! But that’s not all – that’s just the beginning of my tour of UK user groups. Monday 10 Sep, I am presenting at SQL South West in Exeter. Tuesday 11 Sep, Chris Webb and I are presenting at the SQL London User Group . Thursday 13 Sep, Chris...(read more)

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• I am not speaking at SQL Connections February 2011 meeting in Chicago suburbs

  - by Alexander Kuznetsov

  Usually it is an honor when we get to present to a user group, but not this time, so let me explain. I have no idea how my presentation got briefly mentioned in the invitation which went out today, without my consent. I have never asked or agreed to speak at SQL Connections February 2011 meeting in Chicago suburbs. Yet I apologize for any inconvenience it might have caused. I was going to speak at the meeting of December 2010, which was agreed by email with the person in charge. I had spent some...(read more)

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• PASS Summit Location Redux

  - by andyleonard

  Introduction To quote Ronald Reagan, " There you go again ." The Professional Association for SQL Server (PASS) is considering locations for future PASS Summits. The apparent answer is: You Can Have The Summit Anywhere You Want... ... as long as it's in Seattle. PASS conducted a survey on this about a year ago, and I commented on the results and PASS' (mis-)interpretation of said results in a post entitled On PASS Summit Locations, Time Will Tell . "It's About Community" I think every member of the...(read more)

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• How do I mount shared folders (win7 host) in Ubuntu (guest) using VMware(tools v6)

  - by V-Light

  Experts. I've successfully installed VMware tools for Ubuntu. Everything seems to work fine, but shared folders were not mounted automatically. How do I get them to work? If I run vmware-hgfsclient in terminal, I get the list of shared folders, but ls -l /mnt/hgfs is empty. Actually there's no hgfs dir in /mnt. I know I should probably use the vmware-hgfsclient tool, but I realy don't know how. P.S. I wouldn't ask if I could understand the vmware-hgfsclient help I've read. Any suggestions?

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• Add ability to add tabs to the end of a line in Windows PowerShell ISE

  - by deadlydog

  Originally posted on: http://geekswithblogs.net/deadlydog/archive/2013/06/24/add-ability-to-add-tabs-to-the-end-of-a.aspxIn the preamble of an earlier post I mentioned that one of the little things that bugs me about Windows PowerShell ISE is that you can add tabs to the start of a line, but not to the end of a line.  This is likely because it would interfere with the tab-completion feature.  I still like to be able to put tabs on the end of my code lines though so that I can easily line up my comments.  Here is how we can achieve this functionality in PowerShell ISE. Read more at http://blog.danskingdom.com/add-ability-to-add-tabs-to-the-end-of-a-line-in-windows-powershell-ise/

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• Stopping duplicate H1 and title from dynamic content

  - by codemonkey

  I have a web site where there are lots of dynamically (database driven) created pages. These pages are basically used to show uploaded images The pages look a bit like this URL: http://www.mywebsite.com/page-id/page-title/ H1: View from the sea This is a big issue because I might have 10 other pages with the title: 'View from the sea'. I know the simple solution would be to make sure the pages are named differently but I have lots of users on the web site so it's not that simple. What do you guys think to putting the page-id with the page-title in the H1 tag? So it might read 437 - View from the sea. I need to differentiate the h1 titles. I think using the page-id would help but if anyone has a better solution that would be great! Thanks in advance

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• [OT] : Tagged : SQL Dream Cars

  - by AaronBertrand

  Steve Jones ( blog | twitter ) posted an entry today called "SQL Dream Cars," where he talks briefly about 5 of the cars he would love to own. He then tagged a few of us to share our lists. Before I get to mine, I wanted to reflect a bit on one of Steve's choices, the Ferrari 308 GTS. I remember when I was a kid, maybe 10 or 11 years old - after Magnum PI made that Ferrari 308 so popular - that a local doctor in North Bay had one. His name was Dr. Fazzarri (and I apologize if I've spelled that wrong);...(read more)

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