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  • Swap Utilization: System Level Versus Individual Process

    - by Max
    On my top output, at header level, swap is showing 0k used. But on each individual process the SWAP is shown as a non-zero value (output column enabled with option p). What does this mean? Swap: 4870140k total, 0k used, 4870140k free, 571300k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND 2448 max 20 0 323m 87m 27m S 0 4.4 1:23.31 236m chrome

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  • Booting and shutting down process is very slow, with some others issues

    - by Hoghweed
    Recently I've installed Ubuntu 12.04 replacing Ubuntu 11.10, after installation, When I started my "Lenovo W520", I feel uncomfortable. It is too slow in booting process and also very slow in shutting down. Some operations are very slow. The booting is so slow that, it's seems It is a Windows system instead of an Ubuntu. Can anyone suggest, what actions I can take to investigate the issue and then to fix the problem? Re-installation advice should be last option.

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  • Professional Logos Design Process

    Briefly the professional logos design process on LogoStudies.com consists of: 1) studying the niche, theme and style. We learn about your niche, see it?s main points and according to that we think o... [Author: Matas Baranauskas - Web Design and Development - April 05, 2010]

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  • How to Do SEO (And a Trick to Automate the Process)

    Search Engine Optimization is the process of doing the things to your website that will make it rank at the top of the search results. "SEO" has become a huge industry as its results can directly impact the bottom line of your business - and if you can do it, then you could become very wealthy. Here's how...

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  • Knowing the Search Engine Process to Improve SEO

    In order to begin your Search Engine Optimization you must first know how search engines work, whether or not you hire an SEO Consultant. It's important to know what you are trying to attract, as well as how search engines find their pages and determine their rating. There are several steps that are part of a search engines process until they get the results pop up on a searchers screen.

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  • Improving the Extended Financial Close and Reporting Process

    Coming out of the recession, many organizations need to build or re-build trust with key stakeholders by delivering more timely and accurate financial and operating results. In this podcast, hear about new capabilities Oracle is delivering through its Enterprise Performance Management products to help organizations coordinate and improve the extended financial close and reporting process, from closing the sub-ledgers to regulatory filings.

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  • Web Application Development - 4 Steps Process

    With the growth of internet, web marketing and web business are taking their shapes. Number of investors and marketers are forging ahead in devising new and innovative techniques and web applications that can facilitate its process and promotions. And if you wonder how internet have developed the mode of communication.

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  • Improving the Extended Financial Close and Reporting Process

    Coming out of the recession, many organizations need to build or re-build trust with key stakeholders by delivering more timely and accurate financial and operating results. In this podcast, hear about new capabilities Oracle is delivering through its Enterprise Performance Management products to help organizations coordinate and improve the extended financial close and reporting process, from closing the sub-ledgers to regulatory filings.

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  • ESXi 5.0 GP Exception 13 World 2157

    - by rihatum
    1st time with Esxi 5.0, I have read the whitebox hcl and it states my box as compatible (Dell 960 Optiplex), I burnt Esxi install onto a cd and booted off it (without changing anything in bios) I only had a sata ssd connected, a usb flash 4gb (which i would have installed esxi on), It started loading fine and half way through it dumped a purple / pink screen with : GP Exception 13 World 2157 This system have 5GB RAM (2x2GB and 1x1GB), Intel VT is active in bios, Any suggestions or thoughts ? Will be grateful for your support Kind regards

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  • The World Wide Web Publishing Service (WWW Service) did not register the URL

    - by Mario
    This error is logged once I create a website: The World Wide Web Publishing Service (WWW Service) did not register the URL prefix http://*:80/ for site 6. The necessary network binding may already be in use. The site has been disabled. The data field contains the error number. I followed this link but there is no ListenOnlyList, instead I saw UrlAclInfo which contains this: Any ideas to fix this?

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  • Any rerefence of CPU world statistics?

    - by Áxel Costas Pena
    I am looking for any referencee about computer power statistics across the world. My main interest is about real computing capabilities, so I'd prefer information about real processor power, and even best if it includes also other critical hardware statistics, like RAM memory, but if it isn't possible, maybe statistics about brand/model distribution will be also useful. I've Googled for some minutes and I've found nothing related.

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  • Apache process consuming all memory on the server

    - by jemmille
    I have an apache process that suddenly appears on a particular server. When it shows up it starts consuming memory at a very rapid rate, then moves on to all the swap. In all it consumes about 11GB (including swap) of memory and the server eventually becomes unresponsive. The load on the server is under 1 at all other times. The process runs as nobody and I am having a hard time tracking down the source. If i run an strace on the process and all it did was continuously dump out mprotect over and over again If i run lsof -p <pid>, I get this, but only sometimes: httpd 19229 nobody 152u IPv4 175050 crawl-66-249-67-216.googlebot.com:62336 (CLOSE_WAIT) httpd 19229 nobody 153u IPv4 179104 crawl-66-249-71-167.googlebot.com:58012 (ESTABLISHED) As long as I catch it, I can kill the process and the server almost immediately stabilizes. I have on site on the server that is getting a few thousand hits a a day that I think might be the source, but I still can't find the exact reason. Also, this is a cPanel server and I have upcp'd the server, rebuilt apache with easy apache, and rebuilt httpd.conf. It is not spawing any related processes, meaning I can find any php, mysql, cgi, etc. processes that relate to this process. It's just a loner process that balloons fast and consumes ever last MB of memory. This is on a XenServer 5.6 based VM. No other servers in the cluster are having this issue.

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  • Insecure world writable dir

    - by Joseph Silvashy
    I can't figure out how to fix this, apparently ruby doesn't like anything in my home directory. /Users/Connor/.rvm/rubies/ree-1.8.7-2010.01/bin/gem:4: warning: Insecure world writable dir /Users/Connor/.rvm/rubies/ree-1.8.7-2010.01/bin in PATH, mode 040766 How can I fix this?

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  • My linux server "Number of processes created" and "Context switches" are growing incredibly fast

    - by Jorge Fuentes González
    I have a strange behaviour in my server :-/. Is a OpenVZ VPS (I think is OpenVZ, because /proc/user_beancounters exists and df -h returns /dev/simfs drive. Also ifconfig returns venet0). When I do cat /proc/stat, I can see how each second about 50-100 processes are created and happens about 800k-1200k context switches! All that info is with the server completely idle, no traffic nor programs running. Top shows 0 load average and 100% idle CPU. I've closed all non-needed services (httpd, mysqld, sendmail, nagios, named...) and the problem still happens. I do ps -ALf each second too and I don't see any changes, only a new ps process is created each time and the PID is just the same as before + 1, so new processes are not created, so I thought that process growing in cat /proc/stat must be threads (Yes, seems that processes in /proc/stat counts threads creation too as this states: http://webcache.googleusercontent.com/search?q=cache:8NLgzKEzHQQJ:www.linuxhowtos.org/System/procstat.htm&hl=es&tbo=d&gl=es&strip=1). I've changed to /proc dir and done cat [PID]\status with all PIDs listed with ls (Including kernel ones) and in any process voluntary_ctxt_switches nor nonvoluntary_ctxt_switches are growing at the same speed as cat /proc/stat does (just a few tens/second), Threads keeps the same also. I've done strace -p PID to all process too so I can see if any process is crating threads or something but the only process that has a bit of movement is ssh and that movement is read/write operations because of the data is sending to my terminal. After that, I've done vmstat -s and saw that forks is growing at the same speed processes in /proc/stat does. As http://linux.die.net/man/2/fork says, each fork() creates a new PID but my server PID is not growing! The last thing I can think of is that all process data that proc/stat and vmstat -s show is shared with all the other VPS stored in the same machine, but I don't know if that is correct... If someone can throw some light on this I would be really grateful.

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  • DNS pointing to different IPs from different parts of the world

    - by David
    I have a domain name that for some reason is pointing to different servers depending on where you are located in the world. What is odd is that I have another domain that has the same DNS servers, which points to the same server regardless of your location (which is the way it's mean't to work). Any ideas why the first domain is pointing to different IP addresses for different people?

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  • "Hello, WebView" tutorial opens the requested address in Android browser and not in my webview

    - by VitalyB
    Hi everyone, I am using Android emulator with AVD of Android 2.1 and I have the following problem: Trying to load a URL in a WebView using webView.loadUrl causes it to open in the browser instead. Note: I am talking about the initial opening, not the issue in which links from the WebView open in a browser, though, perhaps it is somehow connected. I've tried several things: I've removed <uses-permission android:name="android.permission.INTERNET" /> from the manifest. That actually made it work correctly, i.e, load the html into the webview. However, as one would expect, the only thing it loaded is "unable to connect the internet" error page. I've tried downloading a real sample project ("Hello Android" book source files, project - BrowserView). However, it didn't work just the same. I've created a new project and followed the directions at Google's official tutorial of using WebView and got the same result. I haven't find anyone else complaining about it. Why does it happen? Thanks, Vitaly

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  • Hello, TabWidget each tab refer to new xml

    - by Clozecall
    Hey everyone I'm using Google's exmaple of Hello, TabWidget but altered it to look like this: main.xml: <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:text="@+layout/text" android:layout_width="fill_parent" android:layout_height="fill_parent" /> <TextView android:id="@+id/textview2" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="this is another tab" /> <TextView android:id="@+id/textview3" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="this is a third tab" /> </FrameLayout> </LinearLayout> java file: public class HelloTabWidget extends TabActivity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TabHost mTabHost = getTabHost(); mTabHost.addTab(mTabHost.newTabSpec("tab_test1").setIndicator("TAB 1").setContent(R.layout.text)); mTabHost.addTab(mTabHost.newTabSpec("tab_test2").setIndicator("TAB 2").setContent(R.id.textview2)); mTabHost.addTab(mTabHost.newTabSpec("tab_test3").setIndicator("TAB 3").setContent(R.id.textview3)); mTabHost.setCurrentTab(0); } } and here is the text.xml in res/layout: <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" > <TextView android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="This is Tab 1" /> What I'm basically trying to do is have each tab refer to its own xml file rather than all in main.xml, but the text in the first tab doesn't show up.

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  • Process, Participate, Play: Oracle BPM and SOA at Oracle OpenWorld

    - by Oracle OpenWorld Blog Team
    Oracle OpenWorld 2012 provides a unique opportunity for BPM and SOA professionals to meet industry leaders and peers, and get insight into the latest product advancements that will help their companies gain a competitive advantage.Via a variety of sessions, hands-on labs, birds-of-a-feather sessions, and demos, attendees will learn how Oracle SOA Suite, Oracle BPM Suite, and Oracle SOA Governance provide a unified and collaborative environment for design and deployment of dynamic business processes. Topics include architecture, integration, implementation, and best practices for on-premises or cloud deployments. Participants will learn how new capabilities of BPM and SOA can help their enterprises gain unprecedented visibility, agility and efficiencies.Maximize the value of attending Oracle Open World by attending sessions that best meet your needs and goals. This exciting series of SOA and BPM sessions is focused on three different audience segments. Business managers or business analysts, click here  IT executives or enterprise architects, click here Developers looking to sharpen their SOA skills, click here To stay in touch with the details and announcements for Oracle BPM Suite and Oracle SOA Suite, check out the BPM and SOA blogs.

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  • Web application Project management methodologie

    - by dutchiexl
    I am looking to streamline my company's web development process. Including analysis. I myself am specialized in XP and Scrum. But we are building web application with a process cycle of 3-4 weeks and a lifetime of 1-4 months. When a project is sold, only then the project managers (= people who do analysis but know nothing about it = a small flow chart and some screen shots as analysis) What is happening is: A LOT of change requests Minimal development time Minimal analysis time NOW: the main question :) can you recommend me some methodologies and books to read for the entire project management ? Thanks in advance @Edit, I myself was looking at a combination of SCRUM for the management with flowcharts, + RAD/LD for development, and trying to distilate something from that.

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  • Why is the Clojure Hello World program so slow compared to Java and Python?

    - by viksit
    Hi all, I'm reading "Programming Clojure" and I was comparing some languages I use for some simple code. I noticed that the clojure implementations were the slowest in each case. For instance, Python - hello.py def hello_world(name): print "Hello, %s" % name hello_world("world") and result, $ time python hello.py Hello, world real 0m0.027s user 0m0.013s sys 0m0.014s Java - hello.java import java.io.*; public class hello { public static void hello_world(String name) { System.out.println("Hello, " + name); } public static void main(String[] args) { hello_world("world"); } } and result, $ time java hello Hello, world real 0m0.324s user 0m0.296s sys 0m0.065s and finally, Clojure - hellofun.clj (defn hello-world [username] (println (format "Hello, %s" username))) (hello-world "world") and results, $ time clj hellofun.clj Hello, world real 0m1.418s user 0m1.649s sys 0m0.154s Thats a whole, garangutan 1.4 seconds! Does anyone have pointers on what the cause of this could be? Is Clojure really that slow, or are there JVM tricks et al that need to be used in order to speed up execution? More importantly - isn't this huge difference in performance going to be an issue at some point? (I mean, lets say I was using Clojure for a production system - the gain I get in using lisp seems completely offset by the performance issues I can see here). The machine used here is a 2007 Macbook Pro running Snow Leopard, a 2.16Ghz Intel C2D and 2G DDR2 SDRAM. BTW, the clj script I'm using is from here and looks like, #!/bin/bash JAVA=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home/bin/java CLJ_DIR=/opt/jars CLOJURE=$CLJ_DIR/clojure.jar CONTRIB=$CLJ_DIR/clojure-contrib.jar JLINE=$CLJ_DIR/jline-0.9.94.jar CP=$PWD:$CLOJURE:$JLINE:$CONTRIB # Add extra jars as specified by `.clojure` file if [ -f .clojure ] then CP=$CP:`cat .clojure` fi if [ -z "$1" ]; then $JAVA -server -cp $CP \ jline.ConsoleRunner clojure.lang.Repl else scriptname=$1 $JAVA -server -cp $CP clojure.main $scriptname -- $* fi

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  • Dealing with external processes

    - by Jesse Aldridge
    I've been working on a gui app that needs to manage external processes. Working with external processes leads to a lot of issues that can make a programmer's life difficult. I feel like maintenence on this app is taking an unacceptably long time. I've been trying to list the things that make working with external processes difficult so that I can come up with ways of mitigating the pain. This kind of turned into a rant which I thought I'd post here in order to get some feedback and to provide some guidance to anybody thinking about sailing into these very murky waters. Here's what I've got so far: Output from the child can get mixed up with output from the parent. This can make both outputs misleading and hard to read. It can be hard to tell what came from where. It becomes harder to figure out what's going on when things are asynchronous. Here's a contrived example: import textwrap, os, time from subprocess import Popen test_path = 'test_file.py' with open(test_path, 'w') as file: file.write(textwrap.dedent(''' import time for i in range(3): print 'Hello %i' % i time.sleep(1)''')) proc = Popen('python -B "%s"' % test_path) for i in range(3): print 'Hello %i' % i time.sleep(1) os.remove(test_path) I guess I could have the child process write its output to a file. But it can be annoying to have to open up a file every time I want to see the result of a print statement. If I have code for the child process I could add a label, something like print 'child: Hello %i', but it can be annoying to do that for every print. And it adds some noise to the output. And of course I can't do it if I don't have access to the code. I could manually manage the process output. But then you open up a huge can of worms with threads and polling and stuff like that. A simple solution is to treat processes like synchronous functions, that is, no further code executes until the process completes. In other words, make the process block. But that doesn't work if you're building a gui app. Which brings me to the next problem... Blocking processes cause the gui to become unresponsive. import textwrap, sys, os from subprocess import Popen from PyQt4.QtGui import * from PyQt4.QtCore import * test_path = 'test_file.py' with open(test_path, 'w') as file: file.write(textwrap.dedent(''' import time for i in range(3): print 'Hello %i' % i time.sleep(1)''')) app = QApplication(sys.argv) button = QPushButton('Launch process') def launch_proc(): # Can't move the window until process completes proc = Popen('python -B "%s"' % test_path) proc.communicate() button.connect(button, SIGNAL('clicked()'), launch_proc) button.show() app.exec_() os.remove(test_path) Qt provides a process wrapper of its own called QProcess which can help with this. You can connect functions to signals to capture output relatively easily. This is what I'm currently using. But I'm finding that all these signals behave suspiciously like goto statements and can lead to spaghetti code. I think I want to get sort-of blocking behavior by having the 'finished' signal from QProcess call a function containing all the code that comes after the process call. I think that should work but I'm still a bit fuzzy on the details... Stack traces get interrupted when you go from the child process back to the parent process. If a normal function screws up, you get a nice complete stack trace with filenames and line numbers. If a subprocess screws up, you'll be lucky if you get any output at all. You end up having to do a lot more detective work everytime something goes wrong. Speaking of which, output has a way of disappearing when dealing external processes. Like if you run something via the windows 'cmd' command, the console will pop up, execute the code, and then disappear before you have a chance to see the output. You have to pass the /k flag to make it stick around. Similar issues seem to crop up all the time. I suppose both problems 3 and 4 have the same root cause: no exception handling. Exception handling is meant to be used with functions, it doesn't work with processes. Maybe there's some way to get something like exception handling for processes? I guess that's what stderr is for? But dealing with two different streams can be annoying in itself. Maybe I should look into this more... Processes can hang and stick around in the background without you realizing it. So you end up yelling at your computer cuz it's going so slow until you finally bring up your task manager and see 30 instances of the same process hanging out in the background. Also, hanging background processes can interefere with other instances of the process in various fun ways, such as causing permissions errors by holding a handle to a file or someting like that. It seems like an easy solution to this would be to have the parent process kill the child process on exit if the child process didn't close itself. But if the parent process crashes, cleanup code might not get called and the child can be left hanging. Also, if the parent waits for the child to complete, and the child is in an infinite loop or something, you can end up with two hanging processes. This problem can tie in to problem 2 for extra fun, causing your gui to stop responding entirely and force you to kill everything with the task manager. F***ing quotes Parameters often need to be passed to processes. This is a headache in itself. Especially if you're dealing with file paths. Say... 'C:/My Documents/whatever/'. If you don't have quotes, the string will often be split at the space and interpreted as two arguments. If you need nested quotes you can use ' and ". But if you need to use more than two layers of quotes, you have to do some nasty escaping, for example: "cmd /k 'python \'path 1\' \'path 2\''". A good solution to this problem is passing parameters as a list rather than as a single string. Subprocess allows you to do this. Can't easily return data from a subprocess. You can use stdout of course. But what if you want to throw a print in there for debugging purposes? That's gonna screw up the parent if it's expecting output formatted a certain way. In functions you can print one string and return another and everything works just fine. Obscure command-line flags and a crappy terminal based help system. These are problems I often run into when using os level apps. Like the /k flag I mentioned, for holding a cmd window open, who's idea was that? Unix apps don't tend to be much friendlier in this regard. Hopefully you can use google or StackOverflow to find the answer you need. But if not, you've got a lot of boring reading and frusterating trial and error to do. External factors. This one's kind of fuzzy. But when you leave the relatively sheltered harbor of your own scripts to deal with external processes you find yourself having to deal with the "outside world" to a much greater extent. And that's a scary place. All sorts of things can go wrong. Just to give a random example: the cwd in which a process is run can modify it's behavior. There are probably other issues, but those are the ones I've written down so far. Any other snags you'd like to add? Any suggestions for dealing with these problems?

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  • High level project workflow

    - by user775060
    We are a small software company trying our hand at our second game. Since our first games' process was a living nightmare (since we used webdevelopment workflow) I have decided to educate myself on how to manage a game project on a high level. How does your process work, from idea to launch? Preferably in situations where you have a team that needs to cooperate. I've seen these 2 links, which are useful in a way, but was wondering if there are better/more comprehensive ways to do this? http://www.goodcontroller.com/blog/?p=136 http://gogogic.wordpress.com/2009/02/09/symbol6-how-we-created-an-iphone-game/ All input would be infinitely appreciated.

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