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• White bar at the bottom of root view!

  - by Sam

  Hi, I have two view controllers in the app. When the app starts, the layout of the root view controller's view is just fine. When a button is clicked, the view controller switches to the other one - which shows fine too. However, when the view is switched back to the root view, the contents are shifted UP by about 20 pixels, leaving a white bar at the bottom! - and it was not there when the app had started. Has anyone seen this? Any idea what's going on there? Thanks, Sam.

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• Is browser based wireless authentication secure?

  - by johnnyb10

  Our wireless network previously used a preshared WPA/WPA2 key for guest access, which allows them access to the Internet. (Our employee access uses 802.1x authentication). We just had a wireless consultant come in to fix various wireless issues we had; one of the things he wound up doing was changing our guest access to HTML-based instead of the preshared key. So now that guest SSID is open (instead of using WPA) and users are presented with a browser-based login screen before they can get on the Internet. My question is: Is this an acceptable method from a security standpoint? I would assume that having an open network is necessarily a bad idea, but the consultant said that the traffic is still using PEAP, so it's secure. I didn't get a chance to question him further on this because we ran late and a bunch of other things came up. Please let me know what you think about the advantages/disadvantages of using HTML-based wireless authentication as opposed to using a preshared WPA key. Thanks...

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• Being a more attractive job candidate - Certs XOR Degree

  - by Zephyr Pellerin

  I'm currently working in an IT position, where I do helpdesk stuff, and predominantly security related issues/consulting (In the loosest sense of the term) In-House and for Service-Contract clients (as the only/acting CCSP [I guess I should say only person with Cisco experience] in my organization). I've professionally written Kernel Mode drivers for a gaming company. Among other things that I'm proud to put on a resume. I think of myself as very reasonably qualified as a System Administrator, With excellent Cisco experience, among other things I think would make a good addition to almost any IT staff in need of a new employee. However, Something has always tripped me up - Human Resources. Let me explain, I decided to skip the university route - I'm immensely glad that I did, The computer science graduates that I've met and work with rarely know much of anything about Computers (Until they gain some 'real' experience), Even when asked about Theoretical Computing fundamentals they can rattle something off about Turing Completeness but rarely do they understand the mathematical underpinnings. In short, I think instead of going to college, I'd rather pick up some real world experience. However, Apparently, Employers rarely think the same way. A quick perusal of jobs through the standard job search engine yields nothing short of a conspiracy to exclude anyone without 'A Bachelors Degree in Computer Science or Equivalent'. Interviews I've had in the past have almost always been entangled with - 1. My Age (Which I can't really change) and 2. Lack of Degree. Employers frequently disregard the CCNA/CCSP, The experience I've gained through internships, My extensive experience in x86 assembly and C, among so many other things I like to think are valuable to employers - In lieu of the fact that I don't have a piece of paper. So, AS AN EMPLOYER - Is it even worth working on my CCIE? Or should I pad my resume with certifications that are easier to acquire (Like CISSP, MSCE, Network+, etc.). Or should I ditch the whole idea and head back to get a Mathematics or CS degree?

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• User Mode Linux - Installing a module error

  - by Zach

  I am trying to run 'make' on a module in User Mode Linux to install a simple makefile. Here is my make file: obj-m := hello.o KDIR := /lib/modules/$(shell uname -r)/build PWD := $(shell pwd) default: $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules When I run this in User Mode Linux I get the following error: make[1]: Entering directory /lib/modules/2.6.28/build' make[1]: *** No rule to make targetmodules'. Stop. make[1]: Leaving directory `/lib/modules/2.6.28/build' make: * [default] Error 2 The problem is that no files are present under /lib/modules/. There's no directory for 2.6.28 or build. From what I've read, these should be symlinks to /usr/src, but under /usr/src, I don't see any files under that either.

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• Create spring beans, based on a comma-separated list of classes

  - by Jeroen

  Is there a way in Spring to create a collection, or array, of beans, based on a comma-separated list of classes. For example: package mypackage; public class Bla { private Set<MyBean> beans; public void setBeans(Set<MyBean> beans) { this.beans = beans; } } With the application context: <bean id="bla" class="mypackage.Bla"> <property name="beans"> <set> <bean class="mypackage.Bean1, mypackage.Bean2" /> </set> </property> </bean> Preferably the beans are all initialized and wired from the context, leaving the code as simplistic as possible, is this possible?

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• Windows 8 folder to folder sync software

  - by Danny

  I'm looking for direct folder to folder synchronization in Windows 8. I was previously using Live Mesh to accomplish this, but now it looks like that is no longer an option. Note that I'm talking about direct folder to folder sync between different computers, not syncing to the cloud. I'm aware of products like Google Drive, SkyDrive, Dropbox, etc. The problem with them is the space limitation. Basically, I was syncing important files before between my desktop and all of my laptops. One folder for example is My Pictures. This folder has almost 40 gigs of files, which is why the options listed above are not going to work for me. Just need direct syncing, nothing stored on the cloud. I was told by a Microsoft employee that SkyDrive would be replacing Mesh and would provide all the same functionality. So far this looks to be completely false, since the ability to remote desktop is gone along with folder to folder sync. Unless I'm just missing something?

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• Android ndk build mysteriously failing under cygwin with "Error 126"

  - by Jan Hudec

  I have a JNI application built by ndk-build (using Android NDK r5b and cygwin make 3.81). The build usually works, by occasionally fails with: ... Compile++ thumb : components <= Component.cpp make: *** [/c/.hudson/jobs/Nightly/workspace/application/obj/local/armeabi/objs/components/Component.o] Error 126 make: Leaving directory `/c/.hudson/jobs/Nightly/workspace/application/obj/local/armeabi/objs/components' There is no other error. Make than exits with status 2. It happens in different file each time (the name above is anonymized). It seems to happen more often with parallel builds, but sometimes happens with non-parallel builds too. Does anybody have an idea what it might be or at least how to debug it?

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• MySQL - Finding time overlaps

  - by Jude

  Hi, I have 2 tables in the database with the following attributes: Booking ======= booking_id booking_start booking_end resource_booked =============== booking_id resource_id The second table is an associative entity between "Booking" and "Resource" (i.e., 1 booking can contain many resources). Attributes booking_start and booking_end are timestamps with date and time in it. May I know how I might be able to find out for each resource_id (resource_booked) if the date/time overlaps or clashes with other bookings of similar resource_id? I was doodling the answer on paper, pictorially, to see if it might help me visualize how I could solve this and I got this: Joining the 2 tables (Booking, Booked_resource) into one table with the 4 attributes needed. Follow the answer suggested here : http://stackoverflow.com/questions/689458/find-overlapping-date-time-rows-within-one-table I did step 1 but step 2 is leaving me baffled! I would really appreciate any help on this! Thanks!

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• Remove another user's lock obtained with sp_getapplock on SQL Server

  - by joshperry

  We have a system that uses sp_getapplock to create an exclusive mutex any time someone opens an order in the GUI. This is used to prevent multiple people from making changes to an order simultaneously. Sometimes people will open an order and go home, leaving it open. This effectively blocks anyone from being able to make changes to the order. I then get emails, calls and end up doing a kill <spid> in enterprise manager. Obviously I've gotten sick of this and want to make a quick self-service webform. The main problem I've run into is that kill requires sysadmin privileges, which I do not want to give to the user that the our website runs as. I have tried sp_releaseapplock but this doesn't let you release another user's lock (even when calling it as a sysadmin). So, finally my question; does anyone know of an alternative method to release a lock that was obtained by another user using sp_getapplock?

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• UIVIewController wrong position before rotate

  - by zegnus

  I have the starter point of my application this window (white background): - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { mainScreen = [[MainScreenController alloc] initWithNibName:@"MainScreenController" bundle:[NSBundle mainBundle]]; // add it to the main window [window addSubview:[mainScreen view]]; // show view [window makeKeyAndVisible]; NSLog(@"started"); return YES; } And MainScreenController is an UIViewController with (blackBackground) created by the Interface Builder. The application executes perfectly but the first time, the black view is moved up like the height of the status iphone pannel (leaving white rectangle at the bottom). If I rotate the iPhone twice, the view is perfectly positioned in the right place, filling all the screen with the black background. Any idea? Thanks!

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• Reformat a YouTube URL using jQuery

  - by jamEs

  I am using the YouTube Channel jQuery script to pull in data from a YouTube channel. Then I'm using an iFrame on the page to display the videos without leaving the site. The only problem is that the URLs the Channel plugin is pulling in don't quite work with my iFrame concept. They load the whole YouTube page instead of just the video. I figured out a workaround that basically I reformat the URL and tell it to display fullscreen and to autoplay will do what I would like it to do. The URLs are currently formatted like http://www.youtube.com/watch?v=xxxxxxxxx&feature=youtube_gdata and I need them to be rewritten as http://www.youtube.com/v/xxxxxxxxx?fs=1&autoplay=1 I've seen a couple of similar topics here on SO, but given my limited jQuery and regex talents I wasn't able to get anything to work for my purposes.

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• Spring 3 - Custom Security

  - by Eqbal

  I am in the process of converting a legacy application from proprietary technology to a Spring based web app, leaving the backend system as is. The login service is provided by the backend system through a function call that takes in some parameter (username, password plus some others) and provides an output that includes the authroizations for the user and other properties like firstname, lastname etc. What do I need to do to weave this into Spring 3.0 security module. Looks like I need to provide a custom AuthenticationProvider implementation (is this where I call the backend function?). Do I also need a custom User and UserDetailsService implementation which needs loadUserByName(String userName)? Any pointers on good documentation for this? The reference that came with the download is okay, but doesn't help too much in terms of implementing custom security.

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• Will SQL Server Partitioning increase performance without changing filegroups

  - by Tom

  Scenario I have a 10 million row table. I partition it into 10 partitions, which results in 1 million rows per partition but I do not do anything else (like move the partitions to different file groups or spindles) Will I see a performance increase? Is this in effect like creating 10 smaller tables? If I have queries that perform key lookups or scans, will the performance increase as if they were operating against a much smaller table? I'm trying to understand how partitioning is different from just having a well indexed table, and where it can be used to improve performance. Would a better scenario be to move the old data (using partition switching) out of the primary table to a read only archive table? Is having a table with a 1 million row partition and a 9 million row partition analagous (performance wise) to moving the 9 million rows to another table and leaving only 1 million rows in the original table?

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• How to keep submit button visible and executable upon textarea onblur

  - by ninumedia

  I have a <div id="comment_posting_holder"> tag that holds a form with two elements: a textarea box and a submit button. I want to have the div tag (containing the textarea and submit button) disappear if I click somewhere "OTHER" than the submit button. I have a start for the code below. So upon leaving focus from the textarea, I can make the div tag disappear. I tried placing in a mouseclick event inside the blur function for the submit button but that did not work. Any suggestions? Thank you! **Facebook does this with it's comments. If you click on a "Post your comment..." field the textarea appears and then it will disappear upon losing focus other than if you pressed the submit button. $('textarea').blur(function() { $('#comment_posting_holder).hide(); });

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• So does Apple recommend to not use predicates and sort descriptors in an NSFetchRequest?

  - by dontWatchMyProfile

  From the docs: To summarize, though, if you execute a fetch directly, you should typically not add Objective-C-based predicates or sort descriptors to the fetch request. Instead you should apply these to the results of the fetch. If you use an array controller, you may need to subclass NSArrayController so you can have it not pass the sort descriptors to the persistent store and instead do the sorting after your data has been fetched. I don't get it. What's wrong with using them on fetch requests? Isn't it stupid to get back a whole big bunch of managed objects just to pick out a 1% of them in memory, leaving 99% garbage floating around? Isn't it much better to only fetch from the persistent store what you really need, in the order you need it? Probably I did get that wrong...

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• How do languages handle side effects of compound operators?

  - by Kos

  Hello, Assume such situation: int a = (--t)*(t-2); int b = (t/=a)+t; In C and C++ this is undefined behaviour, as described here: Undefined Behavior and Sequence Points However, how does this situation look in: JavaScript, Java, PHP... C# well, any other language which has compound operators? I'm bugfixing a Javascript - C++ port right now in which this got unnoticed in many places. I'd like to know how other languages generally handle this... Leaving the order undefined is somehow specific to C and C++, isn't it?

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• Hash Table: Should I increase the element count on collisions?

  - by Nazgulled

  Hi, Right now my hash tables count the number of every element inserted into the hash table. I use this count, with the total hash table size, to calculate the load factor and when it reaches like 70%, I rehash it. I was thinking that maybe I should only count the inserted elements with fills an empty slot instead of all of them. Cause the collision method I'm using is separate chaining. The factor load keeps increasing but if there can be a few collisions leaving lots of empty slots on the hash table. You are probably thinking that if I have that many collisions, maybe I'm not using the best hashing method. But that's not the point, I'm using one of the know hashing algorithms out there, I tested 3 of them on my sample data and selected the one who produced less collisions. My question still remains. Should I keep counting every element inserted, or just the ones that fill an empty slot in the Hash Table?

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• "Enter/Return" Key with Word Mobile on Windows Mobile

  - by Maarx

  Some of our employees are using PDAs running Windows Mobile. I wish I could provide more data regarding versions, but frankly these things aren't my jurisdiction. Someone's simply come to me looking for what they thought would be a quick fix. They're using Word Mobile and the barcode scanner to record large volumes of data. The scanner's default action is to insert the scanned text exactly as if it had been input with the keyboard, and puts a newline at the end. That's great, because it's exactly what we need it to do: separate data with newlines. The issue comes when system can't read the barcode, and the employee has to type in the data by hand. They've discovered a very peculiar quirk of Mobile applications: pressing the hardware Enter/Return key on the keyboard appears to save and exit the application. How do we change this behavior? They've realized that using the stylus to "click" the virtual on-screen keyboard's Enter/Return key will add the necessary newline, but it's a huge inconvenience for them. How do I fix the default behavior of the Enter/Return key for Word Mobile to instead insert a newline?

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• replacing buffalo lonkstations with FreeNAS, overall backup strategy, am I on the right path?

  - by Shreko

  We've been using 2 Buffalo LinkStations of 320Gb each for shared directory and employee's server storage (around 20 employees). So only documents (word, excel, cad drawings etc.) and database backup of the main application server (ERP, Accounting) 1 buffalo box serves as a main one, located at the server room, next to the main application server and the other buffalo box is located on the opposite side of the building (for fire protection) in a secure storage room and backs up the first one. We also have several external HDs that backs up everything from the buffalo box for an offsite backup. After 3.5 years of using these, capacity is a main limitation, I'm planning a replacement and would like to use FreeNAS (we already use monowall with great success). I would like to keep it simple and continue similar setup, building two low power boxes with 1 hd (2Tb) each. Is low power atom mobo OK? Not sure about HDs? I've read on this site somebody mentioning more seagate ES2 as more reliable and better performing. How would those eco/green drives compare. We've been pretty happy with speed of Buffalo boxes and I don't want my users to notice any slowdown. Any suggestion?

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• Suspended Laptop Cannot Wake Up - Ubuntu

  - by Zack

  I've got an ASUS G73JH, and whenever I suspend it or hibernate it, it will not wake up. The screen stays backlight but is black. The fan remains running, however the HDD does not, not disk activity is noticeable (audibly (It's not a SSD)). I can't: Awaken it with the keyboard Awaken it with the mouse Soft power-off by pressing the power button Change virtual screens by pressing Ctrl-Alt-# Restart X by pressing Ctrl-Alt-Backspace I have to hold down the power button and shut it down that way, and this seems a little unreasonable. Is there a place I could look for more detail as to what's causing this? Is there a known quick-fix to this issue? Nothing is logged as happening when the system is in "suspend" mode. Here's what happened immediately before and after the suspend "happened," note the time gap: May 4 17:46:13 tofu NetworkManager: <info> (eth0): carrier now OFF (device state 1) May 4 17:48:57 tofu kernel: imklog 4.2.0, log source = /proc/kmsg started. This one's kinda long, here's what happened immediately before the suspend, I'm not sure if it'll help but if you can find a use for it: May 4 17:46:10 tofu anacron[3353]: Anacron 2.3 started on 2010-05-04 May 4 17:46:10 tofu anacron[3353]: Normal exit (0 jobs run) May 4 17:46:10 tofu kernel: [ 2241.775927] CPU0 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.775958] CPU1 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.775987] CPU2 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.776138] CPU3 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.776168] CPU4 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.776197] CPU5 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.776200] CPU6 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.776229] CPU7 attaching NULL sched-domain. May 4 17:46:10 tofu kernel: [ 2241.919611] CPU0 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.919668] domain 0: span 0,4 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.919699] groups: 0 (cpu_power = 589) 4 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.919733] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.919762] groups: 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.919850] CPU1 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.919852] domain 0: span 1,5 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.919881] groups: 1 (cpu_power = 589) 5 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.919912] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.919915] groups: 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920003] CPU2 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920005] domain 0: span 2,6 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920033] groups: 2 (cpu_power = 589) 6 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920065] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920093] groups: 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920155] CPU3 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920157] domain 0: span 3,7 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920185] groups: 3 (cpu_power = 589) 7 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920217] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920245] groups: 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920307] CPU4 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920335] domain 0: span 0,4 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920337] groups: 4 (cpu_power = 589) 0 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920368] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920397] groups: 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920459] CPU5 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920487] domain 0: span 1,5 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920489] groups: 5 (cpu_power = 589) 1 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920520] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920549] groups: 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920611] CPU6 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920639] domain 0: span 2,6 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920641] groups: 6 (cpu_power = 589) 2 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920699] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920701] groups: 2,6 (cpu_power = 1178) 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) May 4 17:46:10 tofu kernel: [ 2241.920762] CPU7 attaching sched-domain: May 4 17:46:10 tofu kernel: [ 2241.920791] domain 0: span 3,7 level SIBLING May 4 17:46:10 tofu kernel: [ 2241.920793] groups: 7 (cpu_power = 589) 3 (cpu_power = 589) May 4 17:46:10 tofu kernel: [ 2241.920851] domain 1: span 0-7 level MC May 4 17:46:10 tofu kernel: [ 2241.920853] groups: 3,7 (cpu_power = 1178) 0,4 (cpu_power = 1178) 1,5 (cpu_power = 1178) 2,6 (cpu_power = 1178) May 4 17:46:12 tofu NetworkManager: <info> Sleeping... May 4 17:46:12 tofu NetworkManager: <info> (wlan0): now unmanaged May 4 17:46:12 tofu NetworkManager: <info> (wlan0): device state change: 8 -> 1 (reason 37) May 4 17:46:12 tofu NetworkManager: <info> (wlan0): deactivating device (reason: 37). May 4 17:46:12 tofu NetworkManager: <info> (wlan0): canceled DHCP transaction, dhcp client pid 1984 May 4 17:46:12 tofu kernel: [ 2244.084515] wlan0: deauthenticating from 68:7f:74:23:02:ae by local choice (reason=3) May 4 17:46:12 tofu avahi-daemon[1176]: Withdrawing address record for 192.168.1.2 on wlan0. May 4 17:46:12 tofu avahi-daemon[1176]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.2. May 4 17:46:12 tofu avahi-daemon[1176]: Interface wlan0.IPv4 no longer relevant for mDNS. May 4 17:46:12 tofu NetworkManager: <info> Policy set 'Auto eth0' (eth0) as default for routing and DNS. May 4 17:46:12 tofu NetworkManager: <info> (wlan0): cleaning up... May 4 17:46:12 tofu NetworkManager: <info> (wlan0): taking down device. May 4 17:46:12 tofu avahi-daemon[1176]: Withdrawing address record for 2002:4c6e:638a:0:1e4b:d6ff:fe78:951d on wlan0. May 4 17:46:12 tofu wpa_supplicant[1212]: CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys May 4 17:46:13 tofu NetworkManager: <info> (eth0): now unmanaged May 4 17:46:13 tofu NetworkManager: <info> (eth0): device state change: 8 -> 1 (reason 37) May 4 17:46:13 tofu NetworkManager: <info> (eth0): deactivating device (reason: 37). May 4 17:46:13 tofu NetworkManager: <info> (eth0): canceled DHCP transaction, dhcp client pid 1559 May 4 17:46:13 tofu NetworkManager: <WARN> check_one_route(): (eth0) error -34 returned from rtnl_route_del(): Sucess#012 May 4 17:46:13 tofu avahi-daemon[1176]: Withdrawing address record for 192.168.1.3 on eth0. May 4 17:46:13 tofu avahi-daemon[1176]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.1.3. May 4 17:46:13 tofu avahi-daemon[1176]: Interface eth0.IPv4 no longer relevant for mDNS. May 4 17:46:13 tofu NetworkManager: <info> (eth0): cleaning up... May 4 17:46:13 tofu NetworkManager: <info> (eth0): taking down device. May 4 17:46:13 tofu avahi-daemon[1176]: Withdrawing address record for 2002:4c6e:638a:0:4a5b:39ff:fe0b:325d on eth0. May 4 17:46:13 tofu NetworkManager: <info> (eth0): carrier now OFF (device state 1)

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• Server 2008R2 in Extra Small Windows Azure Instance?

  - by Shawn Eary

  Windows Azure hosting for an Extra Small (XS) Windows VM seems to come out to be about $10 a month right now. I think this XS instance gives you the equivalent of a 1 GHZ CPU with 768MB of RAM. I think the minimum requirements for Server 2008 is 1GHZ CPU with 512MB of RAM. Also, I think the minimum requirements for SQL Server Express is 1GHZ CPU with 256 MB of RAM and that the minimum requirements for Team Foundation Server Express 11 Beta is 2.2 GHZ CPU with 1 Gig of RAM (this 2.2 GHZ part could be a problem for my 1 GHZ XS VM...). Given the performance of the XS Azure instance, would I be able to install: a very basic MVC web site; a free instance of SQL Server Express; a free single user instance of Team Foundation Server Express 11 Beta and run the XS VM instance without serious crashing? I know there are other Shared WebHost providers that can provide these features for me, but those hosting providers have the following disadvantages: They sometimes cost a lot of money after all of the "addons" are in place They probably don't provide the level of security and employee integrity that Microsoft can provide They don't provide the total control that an Azure VM seems to provide

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• Why is only the suffix of work_index hashed?

  - by Jaroslav Záruba

  I'm reading through the PDF that Brett Slatkin has published for Google I/O 2010: "Data pipelines with Google App Engine": http://tinyurl.com/3523mej In the video (the Fan-in part) Brett says that the work_index has to be a hash, so that 'you distribute the load across the BigTable': http://www.youtube.com/watch?v=zSDC_TU7rtc#t=48m44 ...and this is how work_index is created: work_index = '%s-%d' % (sum_name, knuth_hash(index)) ...which I guess creates something like 'mySum-54657651321987' I do understand the basic idea, but is why only one half of work_index is hashed? Is it important to hash only part of it leaving the suffix out? Would it be wrong to do md5('%s-%d' % (sum_name, index)) so that the hash would be like '6gw8....hq6' ? I'm Java guy so I would use md5 to hash, which means I get id like 'mySum' + 32 characters. (Obviously I want my ids/keys to be as short as possible here.) If I could hash the whole string my id would be just 32 chars. Or would you suggest to use something else to do the hashing with?

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• Software Metrics in Agile Methodologies

  - by geowa4

  Agile methodologies are rather prevalent these days, but I cannot seem to find much documentation on what metrics are most useful and why. I have found many more things saying that some traditional metrics like LOC and code coverage of tests are not appropriate, leaving two main questions: Why are those two (and other) metrics inappropriate? What metrics are best for Agile and why? Even with an Agile process, wouldn't you want to know how much code coverage you have with your unit tests? Or is it simply that this metric (and others) just are not as useful as other metrics like cyclomatic complexity and velocity?

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• PHP4 No Error When Missing Method is Called

  - by INTPnerd

  I have come across an annoying problem while writing some PHP4 code. I renamed the method of a class but I forgot to rename it where it was being called from. The annoying part is it was hard to track down where the problem was because no error was triggered. The script simply aborted leaving the web page partially rendered. Is it normal for this not to trigger an error or is there something wacky going on here? If this is normal is there a way to force this kind of thing to cause an error?

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• Install and enforce a scheduled task across a Windows domain

  - by Ricket

  We have a small domain of about 70 Windows computers (XP and 7). We want to schedule a command (an update mechanism) to run on all computers periodically, and we want the task to run regardless of the computer's connection to our network (i.e. the task should run even on a laptop that isn't connected to our VPN). We have a Microsoft System Center Essentials 2010 server so that might come in handy. The options I see are these: Do it completely manually. Install the scheduled task by hand or remotely using psexec (and the at command?) for each computer in our network. Enforce that newly imaged computers should have this task installed on them before deployed to the employee, or the task should be in the image. High initial cost (having to do this for each of 70 computers) but building it into the image might work... But there is some maintenance in making sure the task is added to everything. And I fear that a year or two down the road, we will have forgotten about it or gotten sloppy or had new IT employees who miss this step and some computers won't have the task. Having one of our servers run a script that loops through all computers and psexec's the command on each computer in the network -- it would only run on running, connected computers, so this solution wouldn't work. I suspect SCE could do something like this too, but again this is not a good solution. Neither of these are ideal, and I'm certain there is a better way to do it -- right? What is the best way to accomplish this task?

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