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  • What's the logical value of "string" in python?

    - by Kamran
    I erroneously wrote this code in python: name = input("what is your name?") if name == "Kamran" or "Samaneh": print("That is a nice name") else: print("You have a boring name ;)") It always prints out "That is a nice name" even when the input is neither "Kamran" nor "Samaneh". Am I correct in saying that it considers "Samaneh" as a true? why? By the way, I already noticed my mistake. The correct form is: if name == "Kamran" or name == "Samaneh":

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  • OTN APAC Tour 2012: Bangkok, Thailand - RECAP

    - by Mike Dietrich
    Thanks to everybody who did attend at the OTN APAC Tour in Bangkok on Monday, Oct 21. It was a pleasure for me to be back in Bangkok again even though I didn't have much time again due to my overnight flight to Seoul after the workshop. But thanks for your questions - I will follow up as soon as I'm getting back home. And thanks to Francisco Alvarez, Oracle ACE Director from New Zealand, for inviting me. It was a pleasure presenting together with Francisco, Kamran Nagayev, Oracle ACE Director from Azerbaidjan and Tanakorn Tavornsasnavong from Bangkok. I have learned a lot during that day. In case you'd like to download my presentations from this day please find theme via this link. You may access the other slides on either the local OTN page or get them directly from Francisco's blog and Kamran's blog (and you'll find a lot of excellent and helpful articles there as well). And many thanks to the local OTN group organizing the entire event so well   Hope to see you soon again

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  • How to play mpg/3gp 5 sec video at start of application?

    - by Asad Ahmed
    I am developing an application in which i want to play a short 5 seconds video at the startup. which is the best format 3gp, mpg or something else? i have generated a title activity. I wanted to play the video before title. Help please!!! Below is the code of my title activity. public class Title extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.title); setTitle("M.I.S.T"); this.setTitleColor(Color.BLUE); View title = getWindow().findViewById(android.R.id.title); View titleBar = (View) title.getParent(); titleBar.setBackgroundColor(Color.YELLOW); Thread timer = new Thread(){ public void run(){ try{ sleep(3000); }catch (InterruptedException e){ e.printStackTrace(); }finally{ Intent open= new Intent("com.congestion6.asad.MENU"); startActivity(open); } } }; timer.start(); } protected void onPause() { // TODO Auto-generated method stub super.onPause(); finish(); } }

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  • Handling multiple Scene in AndEngine

    - by Asad
    I am Developing a game in AndEngine Gles2. I have splash scene, loading scene, menu scene and Level1 scene. I am using a Screen Manager to manage all scenes through which i can easily switch between splash, loading and menu scene, the level1 scene is also loaded from menu perfectly but problem occur when i go back to menu scene on the completion of level, screen turned to black and nothing shown after that. I think the problem is with unloading the resources of Level1 because the switching between other scene is perfect. I can't give complete code, as it is to much lengthy. I am using bitmapTexture region, Sprites, bodies, physics Word, hud and fixtures etc. here is my unload method.. 1 more thing when i loaded the menu scene at the end of level 1 screen turn to black, but the music played and all logs are showed in logcat which i set in menu scene. unload(){ setChildrenIgnorUpdate(); clearChildScene(); clearEntityModifier(); clearTouchAreas(); clearUpdateHandler(); BitmapTextureManager.getInstance().destroyInstance(); destroyPhysics(); } Please Any help...

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  • Single and Double Jump with single button.

    - by Asad
    I want to make Single Jump on Single Tap and Double Jump on Double Tap. My problem is that if I make double Tap on ground then it’s fine but if I make first Tap on ground and second Tap in Air then Player gain more height then usual As in image 1. I want to Make my jump like in Image 2, No matter from which point user gives second Tap, player Always get a specific height. I Used both Impulse and Linear velocity to make Jump but my problem did not solved.

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  • Google affecting my SERP Rank?

    - by Asad Moeen
    The following are some of my website's details. Home-page: [thebluewaffles].[com] Keywords: Blue Waffles- Rest of the keywords are post/subject specific. Site Description: Health Articles Blog Site Age: 1.5 years A short history: When I started my website, the few things in my mind when posting content were at-least 500 words on each page and writing of all the articles with to the point information. I didn't go really fast with it which is why I only have about 15 articles in 1.5 years. The SEO strategy was more simple. I shared links through Social Marketing websites and some Article Sharing websites after which I could see my website's rankings in top 5 SERP results. I ranked good enough for about 8 months continuously but didn't keep updating content due to which there were some 3 rough months when no content was posted due to some personal work. The SERPS dropped to 2nd page in April and almost started disappearing in May. I asked a lot of people about it and most came up with the reason of "no updates to site" so I started updating my site again since the day, November has almost started and I see no signs of my website's ranking. Another important point is that when I post a new article, and do a title search in Google, I see it ranks good enough for the first 10 hours and then disappears. What could be wrong here?

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  • Getting a TTY in a Connectback Shell

    - by Asad R.
    I'm often asked by friends to help with small Linux problems, and more often than not I'm required to login to the remote system. Usually there are a lot of issues with making an account and logging in (sometimes the box is behind a NAT device, sometimes SSHD isn't installed, etc.) so I usually just ask them to make a connect-back shell using netcat (nc -e /bin/bash ). If they don't have netcat I can just ask them to grab a copy of a statically compiled binary which isn't that hard or time consuming to download and run. Though this works well enough for me to enter simple commands, I can't run any apps that require a tty (vi, for example) and can't use any job control functions. I managed to bypass this issue by running in.telnetd with a few arguments within the connect-back shell that would assign me a terminal and drop me to a shell. Unfortunately in.telnetd isn't usually installed by default on most systems. What's the easiest way to get a fully functional connect-back terminal shell without requiring any non-standard packages? (A small C program that does the job would be fine as well, I just can't seem to find much documentation on how a TTY is assigned/allocated. A solution that doesn't require me to plough through the source code for SSHD and TELNETD would be nice :))

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  • VS2008 CR report viewer. Print and Export to PDF is not working

    - by S M Kamran
    I've a web project in VS2008. The problem is that from a web report viewer; report is not getting printed or exported to pdf. Report is being shown alright but when print button or export button is pressed, nothing happens. No errors or crash. Just nothing got happened. Default printer is set alright and I am able to print from that machine.. Am I missing some thing here??? Earlier when I installed the application in a new virtual directory report was not getting shown then I've copied aspnet_Client folder in my newly created web application root and the report was then made visible. However the print and export functionality is not working.

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  • Error! File In use: SQLSERVER

    - by Asad Butt
    I am trying to copy a database from one folder to another. There is no program at all running except operating system.(I mean all windows shut) I keep getting this : The action cannot be completed because the file is open is another program close file and try again Try again, Try again , Try again ......... what the hell on earth is holding that file and how can I carry on with copy / delete / overwrite files(DB) as this problem is something very common. Thanks

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  • Symlink error when installing MySQL via Homebrew

    - by Asad Syed
    Trying to install MySQL via Homebrew. The install seems to work fine but i get an error: "Error: The linking step did not complete successfully The formula built, but is not symlinked into /usr/local You can try again using `brew link mysql'" Naturally, after this I ran: brew link mysql Which spat out: Error: Could not symlink file: /usr/local/Cellar/mysql/5.5.20/include/typelib.h /usr/local/include is not writable. You should change its permissions. So I ran it with sudo and got a "cowardly refusing to brew link mysql".

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  • Rate-Limit affects All clients or single IP?

    - by Asad Moeen
    Well up-til now I've considered iptables rate-limit commands with the "recent" module to work for each IP Address. For example rate-limit rule of 20k/s will trigger only if a single IP exceeds 20k/s rate and not if 4 different IPs exceed 5k/s rate. Please correct me if I considered this wrong as I've only used these rules for TCP/ UDP. But today I tried similar rules for ICMP and applied 4/s Input/Output. But then on trying to ping-test from just-ping.com I could see packet loss on almost all IP Addresses. How could that happen because if it worked for each IP Address then it wouldn't be triggering the rule because I believe each IP from just-ping has a rate of probably 1/s. I still think the first one is true because if it wasn't then my GameServer would block everyone if the combined rate ( in case of more connected players ) increased the threshold. This hasn't happened up til now so the ICMP thing really confused me. Thank you.

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  • Socks5 proxy "Dante" leaves many child processes stuck in FIN_WAIT2 / CLOSE_WAIT state

    - by Asad R.
    I'm running dante v1.2.1 as a SOCKS proxy server. The proxy works fine but at the end of the day there are around 40-50 or more child processes of sockd running even though there are no active connections. lsof shows that the child processes all have sockets in the CLOSE_WAIT and FIN_WAIT2 state. These child processes stay in this state unless I manually killall/restart the daemon. I'm running Gentoo Linux on a 2.6.24-23-xen kernel. I recently upgraded from dante v1.1.19-r4 which was giving me the exact same problem. Is this a configuration issue with Dante, my system, or is it a coding issue in the dante code?

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  • Expert iptables help needed?

    - by Asad Moeen
    After a detailed analysis, I collected these details. I am under a UDP Flood which is more of application dependent. I run a Game-Server and an attacker is flooding me with "getstatus" query which makes the GameServer respond by making the replies to the query which cause output to the attacker's IP as high as 30mb/s and server lag. Here are the packet details, Packet starts with 4 bytes 0xff and then getstatus. Theoretically, the packet is like "\xff\xff\xff\xffgetstatus " Now that I've tried a lot of iptables variations like state and rate-limiting along side but those didn't work. Rate Limit works good but only when the Server is not started. As soon as the server starts, no iptables rule seems to block it. Anyone else got more solutions? someone asked me to contact the provider and get it done at the Network/Router but that looks very odd and I believe they might not do it since that would also affect other clients. Responding to all those answers, I'd say: Firstly, its a VPS so they can't do it for me. Secondly, I don't care if something is coming in but since its application generated so there has to be a OS level solution to block the outgoing packets. At least the outgoing ones must be stopped. Secondly, its not Ddos since just 400kb/s input generates 30mb/s output from my GameServer. That never happens in a D-dos. Asking the provider/hardware level solution should be used in that case but this one is different. And Yes, Banning his IP stops the flood of outgoing packets but he has many more IP-Addresses as he spoofs his original so I just need something to block him automatically. Even tried a lot of Firewalls but as you know they are just front-ends to iptables so if something doesn't work on iptables, what would the firewalls do? These were the rules I tried, iptables -A INPUT -p udp -m state --state NEW -m recent --set --name DDOS --rsource iptables -A INPUT -p udp -m state --state NEW -m recent --update --seconds 1 --hitcount 5 --name DDOS --rsource -j DROP It works for the attacks on un-used ports but when the server is listening and responding to the incoming queries by the attacker, it never works. Okay Tom.H, your rules were working when I modified them somehow like this: iptables -A INPUT -p udp -m length --length 1:1024 -m recent --set --name XXXX --rsource iptables -A INPUT -p udp -m string --string "xxxxxxxxxx" --algo bm --to 65535 -m recent --update --seconds 1 --hitcount 15 --name XXXX --rsource -j DROP They worked for about 3 days very good where the string "xxxxxxxxx" would be rate-limited, blocked if someone flooded and also didn't affect the clients. But just today, I tried updating the chain to try to remove a previously blocked IP so for that I had to flush the chain and restore this rule ( iptables -X and iptables -F ), some clients were already connected to servers including me. So restoring the rules now would also block some of the clients string completely while some are not affected. So does this mean I need to restart the server or why else would this happen because the last time the rules were working, there was no one connected?

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  • Dos/ Flood Lag even though Port not Saturated

    - by Asad Moeen
    My GameServers had been under some UDP Floods due to which they generated outputs to the attacker which gave the GameServers some huge lags. Thanks to friends at ServerFault that upon different kind of testing, I was able to successfully block the attack. My question is actually something else but it is important to know how the GameServers reacted to the attack and if the machine kept stable or not: 300kb/s Input would cause GameServer to generate 2mb/s Output. So as the Input Rate kept increasing, output rate would reach so high that it would no longer be possible for the GameServer to control it and hence it would give a huge Lag until the attack is stopped. Usually the game server starts to lag when it sends out something greater than 5mb/s and under that is controllable. Theoretically, I was able to receive a 60mb/s output from my GameServer on inputting 10mb/s. Its just the way the GameServer works if not protected. Now on some of my machines, only the GameServer under attack lagged and although the server was generating 60mb/s output, rest of the gameservers on other ports would run fine without lags on the same machine. But there was another machine which also runs on a 100 MBPS Network port, even 1 mbps input ( and ZERO output because attack is blocked ) even on an unused port would give a constant yellow line ( on the Lag-o-Meter ) to all the clients on all GameServers indicating lag because that line is actually blue under normal conditions. It would remain the same even on 50mbps or 900mbps input. I tried contacting the host about it because I believe its the way their Network is bridged, but they can't help me about it. Anyone else knowing about such issues because if 900mbps input does not Saturate the port, how can 1mbps input lag the servers although port is not saturated and enough bandwidth is available?

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  • Linking error while using Qt static built libraries

    - by Kamran Amini
    I hope this is not a duplicate. Recently I'm developing a native C++ application using Qt 4.8.3 and VS2008. Since clients run the application on their naked machines, they need to install VC++ 2008 Redistribution package. So I decided to make it statically linked. I changed my project settings (C/C++ Code Generation Runtime Library) to /MTd. Also I compiled Qt again, this time using following commands for a static building; originally found on this blog Static Qt with static CRT (VS 2008) 1- replaced -MD with -MT in lines QMAKE_CFLAGS_RELEASE and QMAKE_CFLAGS_DEBUG in %QDIR%\mkspecs\win32-msvc2008\qmake.conf 2- nmake confclean 3- configure -static -platform win32-msvc2008 -no-webkit 4- nmake sub-src I compiled Qt successfully. But when I tried again to compile my application, it gave me some strange errors. 1>Linking... 1>qtmaind.lib(qtmain_win.obj) : error LNK2005: "public: bool __thiscall QBasicAtomicInt::deref(void)" (?deref@QBasicAtomicInt@@QAE_NXZ) already defined in QtCored4.lib(QtCored4.dll) 1>qtmaind.lib(qtmain_win.obj) : error LNK2005: "public: bool __thiscall QBasicAtomicInt::operator!=(int)const " (??9QBasicAtomicInt@@QBE_NH@Z) already defined in QtCored4.lib(QtCored4.dll) 1>qtmaind.lib(qtmain_win.obj) : error LNK2005: "public: __thiscall QString::~QString(void)" (??1QString@@QAE@XZ) already defined in QtCored4.lib(QtCored4.dll) I changed some lib files but with each change, situation got worse; for example I tried to use QtCored.lib instead of QtCored4.lib because it is newly created after compilation. I think I've missed something in building static Qt libs. Thanks.

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  • PSAD Firewall/ UDP flood?

    - by Asad Moeen
    Well I'm actually trying to block a UDP Flood on the Application port because the string "getstatus" is causing my application to make large output due to a small input to the attacker's IP. I installed PSAD firewall to do the job. psad -S shows 3000,000 logged packets at the application port and top ports in Scan but does not block the IP of the attacker however other IP Addresses with small number of connections are dropped. I'm thinking that since output is also being made to the attacker, this is why its not getting blocked because iptables rate-limiting is also exactly doing the same thing and not blocking the IP where outgoing connection is also made. Any guesses why it won't work?

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  • Httaccess Rewriting URL issue: how to distinguish Listing and detail page

    - by Asad kamran
    I am developing an commerce site, Where users can post items in any categories( categories can be 2 to 4 levels) I want to generate URL for listing and details pages: Listing page will show list of items in inner category Detail Page will show all information for item in inner category (Inner category means Last Category in hierarchic i.e. in classified/autos4x4s/mitsubishi/lancer/ inner mean "lancer" Here are the Links i want to generate 1) www.example.com/classified/autos4x4s/mitsubishi/lancer/ (for Listing) 2) www.example.com/classified/autos4x4s/mitsubishi/lancer/2011/3/12/lanc er-2002-in-good-condition-14/ (for detail) I want to redirect to ads.php if just 4 categories exist in url and to detail.php if 6 items are passed(4 category name + 2 date and title) I write these rules: listing ads RewriteRule ^(.)/(.)/(.)/(.)/?$ ads.php?c1=$1&c2=$2&c3=$3&c4=$4 [NC,L] Detail pages RewriteRule ^(.)/(.)/(.)/(.)/(.)/(.)/?$ detail.php?c1=$1&c2=$2&c3=$3&c4=$4&dt=$5&at=$6 [NC,L] But all the sites page redirect to ads.php (Listing page) even home page. I changes the rules as follow: (Even though i donot want to Use Listing and Detail in start of url Why as i see on some site as i want:: dubai.dubizzle.com/classified/autos4x4s/mitsubishi/lancer/2011/3/12/l ancer-2002-in-good-condition-14/) Listing pages RewriteRule ^Listing/(.)/(.)/(.)/(.)/?$ ads.php?c1=$1&c2=$2&c3=$3&c4=$4 [NC,L] Detail pages RewriteRule ^Detail/(.)/(.)/(.)/(.)/(.)/(.)/?$ detail.php?c1=$1&c2=$2&c3=$3&c4=$4&dt=$5&at=$6 [NC,L] Now all other pages are fine, but when i pass www.example.com/classified/autos4x4s/mitsubishi/lancer/2011/3/12/lanc er-2002-in-good-condition-14/ it always goes to Listing page (ads.php) not to detail page. Any help would be appreciated.

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  • Substiting a line through PHP in SSH

    - by Asad Moeen
    I've already setup SSH usage in PHP and most of the things work. Now what I want to do is that I'm looking to edit a line in a file and replace it back. It works directly on the server but can't seem to get it working with PHP files. Here is what I'm trying. $new_line1 = 'Line $I want to add - The $I has to go into the file as it is'; $new_line2 = 'Ending $text of the line - $text again goes into file; $query = "Addition to line"; $exec1= 'cd /root; perl -pe "s/.*/' ; $exec2= '/ if $. == 37" Edit.sh > Edited.sh'; $new="$exec1$new_line1$query$new_line2$exec2"; $edit="cd /root/mp; cp Edited.sh Edit.sh"; echo $ssh->exec($new); echo $ssh->exec($edit); Now the thing is that running the perl command directly in SSH works without any errors but when I run this through PHP I get the error: Substitution replacement not terminated at -e line 1. I want to know why would it work this way and not that?

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  • IPtables - Accept Arbitrary Packets

    - by Asad Moeen
    I've achieved a lot on blocking attacks on GameServers but I'm stuck on something. I've blocked major requests of game-server which it aceepts in the form "\xff\xff\xff\xff" which can be followed by the actual queries like get status or get info to make something like "\xff\xff\xff\xff getstatus " but I see other queries if sent to the game-server will cause it to reply with a "disconnect" packet with the same rate as input so if the input rate is high then the high output of "disconnect" might give lag to the server. Hence I want to block all queries except the ones actual clients use which I suppose are in the form "\xff\xff\xff\xff" or .... so, I tried using this rule : -A INPUT -p udp -m udp -m u32 ! --u32 0x1c=0xffffffff -j ACCEPT -A INPUT -p udp -m udp -m recent --set --name Total --rsource -A INPUT -p udp -m udp -m recent --update --seconds 1 --hitcount 20 --name Total --rsource -j DROP Now where the rule does accept the clients but it only blocks requests in the form "\xff\xff\xff\xff getstatus " ( by which GameServer replies with status ) and not just "getstatus " ( by which GameServer replies with disconnect packet ). So I suppose the accept rule is accepting the simple "string" as well. I actually want it to also block the non-(\xff) queries. So how do I modify the rule?

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  • What is the best way to flag some elements in MATLAB? using NaN or Inf? or something else?

    - by Kamran Bigdely Shamloo
    As you may know, in many occasions, there is a need to flag some elements of a matrix. For example when we have weighted adjacency matrix, and our graph is not fully connected, we have to flag some elements to show that there is no edge between those nodes. The question is how to do that? Is it better to put NaN or Inf on that elements in the matrix? or something elese(such as -1)?

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  • PHP / SSH2 Multi-threading

    - by Asad Moeen
    I'm basically done using SSH2 with PHP. Some may already that while using it, the PHP code actually waits for all the listed commands to be executed in SSH and when everything is done, it then gives back the results. Where that is fine for the work I am doing, but I need some commands to be multi-threaded. $cmd= MyCommand; echo $ssh-exec($cmd); So I just want this to run in parallel 2 times. I googled some stuff but didn't get along with it. For a basic thing, I came across to this way posted by someone but it didn't work out for me. for ($i = 0; $i < 2; $i += 1) { exec("php test_1.php $i > test.txt &"); //this will execute test_1.php and will leave this process executing in the background and will go to next iteration of the loop immediately without waiting the completion of the script in the test_1.php , $i is passed as argument . } I tried to put it this way exec("echo $ssh-exec($cmd) $i test.txt &"); in the loop but either it never entered the loop or the echo $ssh-exec failed. I don't really need a very neat multi-threading. Even a single second delay would do good, thank you.

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  • Selecting More Than 1 Table in A Single Query

    - by Kamran
    I have 5 Tables in MS Access as Logs [Title, ID, Date, Author] Tape [Title, ID, Date, Author] Maps [Title, ID, Date, Author] VCDs [Title, ID, Date, Author] Book [Title, ID, Date, Author] I tried my level best through this code SELECT Logs.[Author], Tape.[Author], Maps.[Author], VCDs.[Author], Book.[Author] FROM Logs , Tape , Maps , VCDs, Book WHERE ((([Author] & " " & [Author] & " " & [Author] & " " & [Author]& " " & [Author]) Like "*" & [Type the Title or Any Part of the Title and Press Ok] & "*")); I want to select all of these fields in a single query. Suppose there is Adam as author of works in all tables. So when i put Adam in search box it should result from all tables. I know this can be done by having single table or renaming fields names but that's not required. Please help.

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