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  • C# 4.0 Optional/Named Parameters Beginner&rsquo;s Tutorial

    - by mbcrump
    One of the interesting features of C# 4.0 is for both named and optional arguments.  They are often very useful together, but are quite actually two different things.  Optional arguments gives us the ability to omit arguments to method invocations. Named arguments allows us to specify the arguments by name instead of by position.  Code using the named parameters are often more readable than code relying on argument position.  These features were long overdue, especially in regards to COM interop. Below, I have included some examples to help you understand them more in depth. Please remember to target the .NET 4 Framework when trying these samples. Code Snippet using System;   namespace ConsoleApplication3 {     class Program     {         static void Main(string[] args)         {               //C# 4.0 Optional/Named Parameters Tutorial               Foo();                              //Prints to the console | Return Nothing 0             Foo("Print Something");             //Prints to the console | Print Something 0             Foo("Print Something", 1);          //Prints to the console | Print Something 1             Foo(x: "Print Something", i: 5);    //Prints to the console | Print Something 5             Foo(i: 5, x: "Print Something");    //Prints to the console | Print Something 5             Foo("Print Something", i: 5);       //Prints to the console | Print Something 5             Foo2(i3: 77);                       //Prints to the console | 77         //  Foo(x:"Print Something", 5);        //Positional parameters must come before named arguments. This will error out.             Console.Read();         }           static void Foo(string x = "Return Nothing", int i = 0)         {             Console.WriteLine(x + " " + i + Environment.NewLine);         }           static void Foo2(int i = 1, int i2 = 2, int i3 = 3, int i4 = 4)         {             Console.WriteLine(i3);         }     } }

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  • Most common parts of a SELECT SQL query?

    - by jnrbsn
    I'm writing a function that generates a SELECT SQL query. (I'm not looking for a tool that already does this.) My function currently takes the following arguments which correspond to different parts of the SELECT query (the base table name is already known): where order fields joins group limit All of these arguments will be optional so that the function generates something like this by default: SELECT * FROM `table_name` I want to order the arguments so that the most often used parts of a SELECT query are first. That way the average call to the function will use as few of the arguments as possible rather than passing a null value or something like that to skip an argument. For example, if someone wanted to use the 1st and 3rd arguments but not the rest, they might have to pass a null value as the 2nd argument in order to skip it. So, for general purpose use, how should I order the arguments? Edit: To be more precise, out of the query parts I listed above, what is the order from most used to least used? Also, I'm not looking for solutions that allow me to not have to specify the order. Edit #2: The "fields" argument will default to "*" (i.e all fields/columns).

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  • Press alt + arrow to skip full line? (Or is there an existing shortcut already..? )

    - by Luka Kotar
    I am still a fresh Ubuntu user, and I switched from a Mac. What I can do on Mac, is I can press alt + arrow to jump one word forward or backward, or if I press cmd + arrow, I am able to jump to the start or end of the line. And that's what I would like to do in Ubuntu. I would assign it to the alt key, as ctrl is already used to skip words. I use that function a lot when coding, I like to keep my hands on the keyboard and just not touch the mouse at all, and it just saves me time for not having to hold the arrow key until I get to the end of the line (or the skip-a-word combo for that matter), or grabbing the mouse to click at the end, just to add a semicolon or something like that. It's not a huge deal, but that's just what I'm used to. I still keep my Mac partition for incompatibility issues, but I prefer Ubuntu over Mac. If there is already a shortcut to do that, I'd gladly go ahead and try getting comfortable using it, but if it is not, how could I achieve what I described above, if of course it is even possible? Thanks in advance, Luka.

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  • Using "gedit", a string of errors occours

    - by Kumuluzz
    I'm trying to program some small programs in C in terminal and gedit. But everytime i use gedit then a string of errors occours. When i open a new file nothing happens. But in the exact same moment i save the file, then a string of erros coour. Also if i open an already existing file (not a new one), then when the gedit window opens the old file all the lines of errors are writen. In both cases in less than a second and nothing more happens. An example to the error: "error: line 35272: 0 is wrong flag id". They are all similar to this, except the line number is different. There are like 50 of them. I'm running 11.10, just installed it a couple of days again (yes, i'm a newbie) and i've updated all the files recently. I've tried reinstalling gedit via: sudo apt-get --reinstall install gedit It kinda made it worse, now a lot of the lines are shown twice. So now it goes (this is a copy of the first lines of error): error: line 6787: 0 is wrong flag id error: line 10034: 0 is wrong flag id error: line 10034: 0 is wrong flag id error: line 11351: 0 is wrong flag id error: line 11351: 0 is wrong flag id error: line 11849: 0 is wrong flag id error: line 11849: 0 is wrong flag id error: line 15609: 0 is wrong flag id error: line 15609: 0 is wrong flag id error: line 19814: 0 is wrong flag id

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  • Why can't I change the AU_AU locale to en_US?

    - by sachin
    /bin/bash: warning: setlocale: LC_ALL: cannot change locale ( (unset)) Generating locales... en_US.ISO-8859-1... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done Generation complete. ganesha@ubuntu:~$ sudo update_locale LANG=en_US sudo: update_locale: command not found ganesha@ubuntu:~$ sudo update-locale LANG=en_US perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "en_US:en", LC_ALL = " (unset)", LC_PAPER = "AU_AU.UTF-8", LC_ADDRESS = "AU_AU.UTF-8", LC_MONETARY = "AU_AU.UTF-8", LC_MEASUREMAUT = "AU_AU.UTF-8", LC_NUMERIC = "AU_AU.UTF-8", LC_TELEPHONE = "AU_AU.UTF-8", LC_MESSAGES = "AU_AU.UTF-8", LC_COLLATE = "AU_AU.UTF-8", LC_IDAUTIFICATION = "AU_AU.UTF-8", LC_CTYPE = "AU_AU.UTF-8", LC_TIME = "AU_AU.UTF-8", LC_NAME = "AU_AU.UTF-8", LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). ganesha@ubuntu:~$ sudo update-locale LANG=en_US.UTF8 perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "en_US:en", LC_ALL = " (unset)", LC_PAPER = "AU_AU.UTF-8", LC_ADDRESS = "AU_AU.UTF-8", LC_MONETARY = "AU_AU.UTF-8", LC_MEASUREMAUT = "AU_AU.UTF-8", LC_NUMERIC = "AU_AU.UTF-8", LC_TELEPHONE = "AU_AU.UTF-8", LC_MESSAGES = "AU_AU.UTF-8", LC_COLLATE = "AU_AU.UTF-8", LC_IDAUTIFICATION = "AU_AU.UTF-8", LC_CTYPE = "AU_AU.UTF-8", LC_TIME = "AU_AU.UTF-8", LC_NAME = "AU_AU.UTF-8", LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). ganesha@ubuntu:~$ gedit ~/.profile (process:6467): Gtk-WARNING **: Locale not supported by C library. Using the fallback 'C' locale. ganesha@ubuntu:~$ sudo update-locale LANG=en_US.UTF8 perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "en_US:en", LC_ALL = " (unset)", LC_PAPER = "AU_AU.UTF-8", LC_ADDRESS = "AU_AU.UTF-8", LC_MONETARY = "AU_AU.UTF-8", LC_MEASUREMAUT = "AU_AU.UTF-8", LC_NUMERIC = "AU_AU.UTF-8", LC_TELEPHONE = "AU_AU.UTF-8", LC_MESSAGES = "AU_AU.UTF-8", LC_COLLATE = "AU_AU.UTF-8", LC_IDAUTIFICATION = "AU_AU.UTF-8", LC_CTYPE = "AU_AU.UTF-8", LC_TIME = "AU_AU.UTF-8", LC_NAME = "AU_AU.UTF-8", LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). ganesha@ubuntu:~$ sudo apt-get install --reinstall locales Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded. Need to get 0 B/3359 kB of archives. After this operation, 0 B of additional disk space will be used. perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "en_US:en", LC_ALL = " (unset)", LC_TIME = "AU_AU.UTF-8", LC_MONETARY = "AU_AU.UTF-8", LC_CTYPE = "AU_AU.UTF-8", LC_COLLATE = "AU_AU.UTF-8", LC_ADDRESS = "AU_AU.UTF-8", LC_TELEPHONE = "AU_AU.UTF-8", LC_MESSAGES = "AU_AU.UTF-8", LC_NAME = "AU_AU.UTF-8", LC_MEASUREMAUT = "AU_AU.UTF-8", LC_IDAUTIFICATION = "AU_AU.UTF-8", LC_NUMERIC = "AU_AU.UTF-8", LC_PAPER = "AU_AU.UTF-8", LANG = "en_US.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). (Reading database ... 157848 files and directories currently installed.) Preparing to replace locales 2.13+git20120306-3 (using .../locales_2.13+git20120306-3_all.deb) ... Unpacking replacement locales ... Processing triggers for man-db ... Setting up locales (2.13+git20120306-3) ... /bin/bash: warning: setlocale: LC_ALL: cannot change locale ( (unset)) Generating locales... en_AG.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_AU.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_BW.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_CA.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_DK.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_GB.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_HK.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_IE.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_IN.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_NG.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_NZ.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_PH.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_SG.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_US.ISO-8859-1... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_US.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_ZA.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_ZM.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done en_ZW.UTF-8... /usr/sbin/locale-gen: line 177: warning: setlocale: LC_ALL: cannot change locale ( (unset)) done Generation complete. ganesha@ubuntu:~$ How to correct this?

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  • How to Run Low-Cost Minecraft on a Raspberry Pi for Block Building on the Cheap

    - by Jason Fitzpatrick
    We’ve shown you how to run your own blocktastic personal Minecraft server on a Windows/OSX box, but what if you crave something lighter weight, more energy efficient, and always ready for your friends? Read on as we turn a tiny Raspberry Pi machine into a low-cost Minecraft server you can leave on 24/7 for around a penny a day. Why Do I Want to Do This? There’s two aspects to this tutorial, running your own Minecraft server and specifically running that Minecraft server on a Raspberry Pi. Why would you want to run your own Minecraft server? It’s a really great way to extend and build upon the Minecraft play experience. You can leave the server running when you’re not playing so friends and family can join and continue building your world. You can mess around with game variables and introduce mods in a way that isn’t possible when you’re playing the stand-alone game. It also gives you the kind of control over your multiplayer experience that using public servers doesn’t, without incurring the cost of hosting a private server on a remote host. While running a Minecraft server on its own is appealing enough to a dedicated Minecraft fan, running it on the Raspberry Pi is even more appealing. The tiny little Pi uses so little resources that you can leave your Minecraft server running 24/7 for a couple bucks a year. Aside from the initial cost outlay of the Pi, an SD card, and a little bit of time setting it up, you’ll have an always-on Minecraft server at a monthly cost of around one gumball. What Do I Need? For this tutorial you’ll need a mix of hardware and software tools; aside from the actual Raspberry Pi and SD card, everything is free. 1 Raspberry Pi (preferably a 512MB model) 1 4GB+ SD card This tutorial assumes that you have already familiarized yourself with the Raspberry Pi and have installed a copy of the Debian-derivative Raspbian on the device. If you have not got your Pi up and running yet, don’t worry! Check out our guide, The HTG Guide to Getting Started with Raspberry Pi, to get up to speed. Optimizing Raspbian for the Minecraft Server Unlike other builds we’ve shared where you can layer multiple projects over one another (e.g. the Pi is more than powerful enough to serve as a weather/email indicator and a Google Cloud Print server at the same time) running a Minecraft server is a pretty intense operation for the little Pi and we’d strongly recommend dedicating the entire Pi to the process. Minecraft seems like a simple game, with all its blocky-ness and what not, but it’s actually a pretty complex game beneath the simple skin and required a lot of processing power. As such, we’re going to tweak the configuration file and other settings to optimize Rasbian for the job. The first thing you’ll need to do is dig into the Raspi-Config application to make a few minor changes. If you’re installing Raspbian fresh, wait for the last step (which is the Raspi-Config), if you already installed it, head to the terminal and type in “sudo raspi-config” to launch it again. One of the first and most important things we need to attend to is cranking up the overclock setting. We need all the power we can get to make our Minecraft experience enjoyable. In Raspi-Config, select option number 7 “Overclock”. Be prepared for some stern warnings about overclocking, but rest easy knowing that overclocking is directly supported by the Raspberry Pi foundation and has been included in the configuration options since late 2012. Once you’re in the actual selection screen, select “Turbo 1000MhHz”. Again, you’ll be warned that the degree of overclocking you’ve selected carries risks (specifically, potential corruption of the SD card, but no risk of actual hardware damage). Click OK and wait for the device to reset. Next, make sure you’re set to boot to the command prompt, not the desktop. Select number 3 “Enable Boot to Desktop/Scratch”  and make sure “Console Text console” is selected. Back at the Raspi-Config menu, select number 8 “Advanced Options’. There are two critical changes we need to make in here and one option change. First, the critical changes. Select A3 “Memory Split”: Change the amount of memory available to the GPU to 16MB (down from the default 64MB). Our Minecraft server is going to ruin in a GUI-less environment; there’s no reason to allocate any more than the bare minimum to the GPU. After selecting the GPU memory, you’ll be returned to the main menu. Select “Advanced Options” again and then select A4 “SSH”. Within the sub-menu, enable SSH. There is very little reason to keep this Pi connected to a monitor and keyboard, by enabling SSH we can remotely access the machine from anywhere on the network. Finally (and optionally) return again to the “Advanced Options” menu and select A2 “Hostname”. Here you can change your hostname from “raspberrypi” to a more fitting Minecraft name. We opted for the highly creative hostname “minecraft”, but feel free to spice it up a bit with whatever you feel like: creepertown, minecraft4life, or miner-box are all great minecraft server names. That’s it for the Raspbian configuration tab down to the bottom of the main screen and select “Finish” to reboot. After rebooting you can now SSH into your terminal, or continue working from the keyboard hooked up to your Pi (we strongly recommend switching over to SSH as it allows you to easily cut and paste the commands). If you’ve never used SSH before, check out how to use PuTTY with your Pi here. Installing Java on the Pi The Minecraft server runs on Java, so the first thing we need to do on our freshly configured Pi is install it. Log into your Pi via SSH and then, at the command prompt, enter the following command to make a directory for the installation: sudo mkdir /java/ Now we need to download the newest version of Java. At the time of this publication the newest release is the OCT 2013 update and the link/filename we use will reflect that. Please check for a more current version of the Linux ARMv6/7 Java release on the Java download page and update the link/filename accordingly when following our instructions. At the command prompt, enter the following command: sudo wget --no-check-certificate http://www.java.net/download/jdk8/archive/b111/binaries/jdk-8-ea-b111-linux-arm-vfp-hflt-09_oct_2013.tar.gz Once the download has finished successfully, enter the following command: sudo tar zxvf jdk-8-ea-b111-linux-arm-vfp-hflt-09_oct_2013.tar.gz -C /opt/ Fun fact: the /opt/ directory name scheme is a remnant of early Unix design wherein the /opt/ directory was for “optional” software installed after the main operating system; it was the /Program Files/ of the Unix world. After the file has finished extracting, enter: sudo /opt/jdk1.8.0/bin/java -version This command will return the version number of your new Java installation like so: java version "1.8.0-ea" Java(TM) SE Runtime Environment (build 1.8.0-ea-b111) Java HotSpot(TM) Client VM (build 25.0-b53, mixed mode) If you don’t see the above printout (or a variation thereof if you’re using a newer version of Java), try to extract the archive again. If you do see the readout, enter the following command to tidy up after yourself: sudo rm jdk-8-ea-b111-linux-arm-vfp-hflt-09_oct_2013.tar.gz At this point Java is installed and we’re ready to move onto installing our Minecraft server! Installing and Configuring the Minecraft Server Now that we have a foundation for our Minecraft server, it’s time to install the part that matter. We’ll be using SpigotMC a lightweight and stable Minecraft server build that works wonderfully on the Pi. First, grab a copy of the the code with the following command: sudo wget http://ci.md-5.net/job/Spigot/lastSuccessfulBuild/artifact/Spigot-Server/target/spigot.jar This link should remain stable over time, as it points directly to the most current stable release of Spigot, but if you have any issues you can always reference the SpigotMC download page here. After the download finishes successfully, enter the following command: sudo /opt/jdk1.8.0/bin/java -Xms256M -Xmx496M -jar /home/pi/spigot.jar nogui Note: if you’re running the command on a 256MB Pi change the 256 and 496 in the above command to 128 and 256, respectively. Your server will launch and a flurry of on-screen activity will follow. Be prepared to wait around 3-6 minutes or so for the process of setting up the server and generating the map to finish. Future startups will take much less time, around 20-30 seconds. Note: If at any point during the configuration or play process things get really weird (e.g. your new Minecraft server freaks out and starts spawning you in the Nether and killing you instantly), use the “stop” command at the command prompt to gracefully shutdown the server and let you restart and troubleshoot it. After the process has finished, head over to the computer you normally play Minecraft on, fire it up, and click on Multiplayer. You should see your server: If your world doesn’t popup immediately during the network scan, hit the Add button and manually enter the address of your Pi. Once you connect to the server, you’ll see the status change in the server status window: According to the server, we’re in game. According to the actual Minecraft app, we’re also in game but it’s the middle of the night in survival mode: Boo! Spawning in the dead of night, weaponless and without shelter is no way to start things. No worries though, we need to do some more configuration; no time to sit around and get shot at by skeletons. Besides, if you try and play it without some configuration tweaks first, you’ll likely find it quite unstable. We’re just here to confirm the server is up, running, and accepting incoming connections. Once we’ve confirmed the server is running and connectable (albeit not very playable yet), it’s time to shut down the server. Via the server console, enter the command “stop” to shut everything down. When you’re returned to the command prompt, enter the following command: sudo nano server.properties When the configuration file opens up, make the following changes (or just cut and paste our config file minus the first two lines with the name and date stamp): #Minecraft server properties #Thu Oct 17 22:53:51 UTC 2013 generator-settings= #Default is true, toggle to false allow-nether=false level-name=world enable-query=false allow-flight=false server-port=25565 level-type=DEFAULT enable-rcon=false force-gamemode=false level-seed= server-ip= max-build-height=256 spawn-npcs=true white-list=false spawn-animals=true texture-pack= snooper-enabled=true hardcore=false online-mode=true pvp=true difficulty=1 player-idle-timeout=0 gamemode=0 #Default 20; you only need to lower this if you're running #a public server and worried about loads. max-players=20 spawn-monsters=true #Default is 10, 3-5 ideal for Pi view-distance=5 generate-structures=true spawn-protection=16 motd=A Minecraft Server In the server status window, seen through your SSH connection to the pi, enter the following command to give yourself operator status on your Minecraft server (so that you can use more powerful commands in game, without always returning to the server status window). op [your minecraft nickname] At this point things are looking better but we still have a little tweaking to do before the server is really enjoyable. To that end, let’s install some plugins. The first plugin, and the one you should install above all others, is NoSpawnChunks. To install the plugin, first visit the NoSpawnChunks webpage and grab the download link for the most current version. As of this writing the current release is v0.3. Back at the command prompt (the command prompt of your Pi, not the server console–if your server is still active shut it down) enter the following commands: cd /home/pi/plugins sudo wget http://dev.bukkit.org/media/files/586/974/NoSpawnChunks.jar Next, visit the ClearLag plugin page, and grab the latest link (as of this tutorial, it’s v2.6.0). Enter the following at the command prompt: sudo wget http://dev.bukkit.org/media/files/743/213/Clearlag.jar Because the files aren’t compressed in a .ZIP or similar container, that’s all there is to it: the plugins are parked in the plugin directory. (Remember this for future plugin downloads, the file needs to be whateverplugin.jar, so if it’s compressed you need to uncompress it in the plugin directory.) Resart the server: sudo /opt/jdk1.8.0/bin/java -Xms256M -Xmx496M -jar /home/pi/spigot.jar nogui Be prepared for a slightly longer startup time (closer to the 3-6 minutes and much longer than the 30 seconds you just experienced) as the plugins affect the world map and need a minute to massage everything. After the spawn process finishes, type the following at the server console: plugins This lists all the plugins currently active on the server. You should see something like this: If the plugins aren’t loaded, you may need to stop and restart the server. After confirming your plugins are loaded, go ahead and join the game. You should notice significantly snappier play. In addition, you’ll get occasional messages from the plugins indicating they are active, as seen below: At this point Java is installed, the server is installed, and we’ve tweaked our settings for for the Pi.  It’s time to start building with friends!     

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  • Django Deploy trouble

    - by i-Malignus
    Well, i've walking around this for a couples of days now... I think is time to ask for some help, i think my installation is ok... Server OS: Centos 5 Python -v 2.6.5 Django -v (1, 1, 1, 'final', 0) my apache conf: <VirtualHost *:80> DocumentRoot /opt/workshop ServerName taller.antell.com.py WSGIScriptAlias / /opt/workshop/workshop.wsgi WSGIDaemonProcess taller.antell.com.py user=ignacio group=ignacio processes=2 threads=25 ErrorLog /opt/workshop/apache.error.log CustomLog /opt/workshop/apache.custom.log combined <Directory "/opt/workshop"> Options +ExecCGI +FollowSymLinks -Indexes -MultiViews AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> my mod_wsgi conf: import os import sys sys.path.append('/opt/workshop') os.environ['DJANGO_SETTINGS_MODULE'] = 'workshop.settings' os.environ['PYTHON_EGG_CACHE'] = '/tmp/.python-eggs' import django.core.handlers.wsgi application = django.core.handlers.wsgi.WSGIHandler( ) the error that i'm getting on my apache error log is: [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] mod_wsgi (pid=11459): Exception occurred processing WSGI script '/opt/workshop/workshop.wsgi'. [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] Traceback (most recent call last): [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line 241, in __call__ [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] response = self.get_response(request) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/base.py", line 134, in get_response [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return self.handle_uncaught_exception(request, resolver, exc_info) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/base.py", line 154, in handle_uncaught_exception [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return debug.technical_500_response(request, *exc_info) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/views/debug.py", line 40, in technical_500_response [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] html = reporter.get_traceback_html() [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/views/debug.py", line 114, in get_traceback_html [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return t.render(c) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/__init__.py", line 178, in render [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return self.nodelist.render(context) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/__init__.py", line 779, in render [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] bits.append(self.render_node(node, context)) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/debug.py", line 81, in render_node [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] raise wrapped [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] TemplateSyntaxError: Caught an exception while rendering: No module named vehicles [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] Original Traceback (most recent call last): [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/debug.py", line 71, in render_node [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] result = node.render(context) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/debug.py", line 87, in render [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] output = force_unicode(self.filter_expression.resolve(context)) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/__init__.py", line 572, in resolve [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] new_obj = func(obj, *arg_vals) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/template/defaultfilters.py", line 687, in date [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return format(value, arg) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/dateformat.py", line 269, in format [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return df.format(format_string) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/dateformat.py", line 30, in format [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] pieces.append(force_unicode(getattr(self, piece)())) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/dateformat.py", line 175, in r [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return self.format('D, j M Y H:i:s O') [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/dateformat.py", line 30, in format [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] pieces.append(force_unicode(getattr(self, piece)())) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/encoding.py", line 71, in force_unicode [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] s = unicode(s) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/functional.py", line 201, in __unicode_cast [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return self.__func(*self.__args, **self.__kw) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/translation/__init__.py", line 62, in ugettext [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return real_ugettext(message) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/translation/trans_real.py", line 286, in ugettext [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return do_translate(message, 'ugettext') [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/translation/trans_real.py", line 276, in do_translate [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] _default = translation(settings.LANGUAGE_CODE) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/translation/trans_real.py", line 194, in translation [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] default_translation = _fetch(settings.LANGUAGE_CODE) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/translation/trans_real.py", line 180, in _fetch [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] app = import_module(appname) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] __import__(name) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] ImportError: No module named vehicles [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] mod_wsgi (pid=11463): Exception occurred processing WSGI script '/opt/workshop/workshop.wsgi'. [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] Traceback (most recent call last): [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line 241, in __call__ [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] response = self.get_response(request) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/base.py", line 73, in get_response [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] response = middleware_method(request) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/middleware/common.py", line 56, in process_request [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] if (not _is_valid_path(request.path_info) and [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/middleware/common.py", line 142, in _is_valid_path [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] urlresolvers.resolve(path) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py", line 303, in resolve [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] return get_resolver(urlconf).resolve(path) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py", line 218, in resolve [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] sub_match = pattern.resolve(new_path) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py", line 216, in resolve [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] for pattern in self.url_patterns: [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py", line 245, in _get_url_patterns [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py", line 240, in _get_urlconf_module [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] self._urlconf_module = import_module(self.urlconf_name) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] File "/opt/python2.6/lib/python2.6/site-packages/django/utils/importlib.py", line 35, in import_module [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] __import__(name) [Wed Apr 21 15:17:48 2010] [error] [client 190.128.226.122] ImportError: No module named vehicles.urls Please give my a hand, i stuck... Obviously is a problem with my vehicle module (the only one in the app), another thing is that when i try: [root@localhost workshop]# python manage.py runserver 0:8000 The app runs perfectly, i think that the problem is something near the wsgi conf, something is not clicking.... Tks... Update: workshop dir looks like... [root@localhost workshop]# ls -l total 504 -rw-r--r-- 1 root root 22706 Apr 21 15:17 apache.custom.log -rw-r--r-- 1 root root 408141 Apr 21 15:17 apache.error.log -rw-r--r-- 1 root root 0 Apr 17 10:56 __init__.py -rw-r--r-- 1 root root 124 Apr 21 11:09 __init__.pyc -rw-r--r-- 1 root root 542 Apr 17 10:56 manage.py -rw-r--r-- 1 root root 3326 Apr 17 10:56 settings.py -rw-r--r-- 1 root root 2522 Apr 21 11:09 settings.pyc drw-r--r-- 4 root root 4096 Apr 17 10:56 templates -rw-r--r-- 1 root root 381 Apr 21 13:42 urls.py -rw-r--r-- 1 root root 398 Apr 21 13:00 urls.pyc drw-r--r-- 2 root root 4096 Apr 21 13:44 vehicles -rw-r--r-- 1 root root 38912 Apr 17 10:56 workshop.db -rw-r--r-- 1 root root 263 Apr 21 15:30 workshop.wsgi vehicles dir [root@localhost vehicles]# ls -l total 52 -rw-r--r-- 1 root root 390 Apr 17 10:56 admin.py -rw-r--r-- 1 root root 967 Apr 21 13:00 admin.pyc -rw-r--r-- 1 root root 732 Apr 17 10:56 forms.py -rw-r--r-- 1 root root 2086 Apr 21 13:00 forms.pyc -rw-r--r-- 1 root root 0 Apr 17 10:56 __init__.py -rw-r--r-- 1 root root 133 Apr 21 11:36 __init__.pyc -rw-r--r-- 1 root root 936 Apr 17 10:56 models.py -rw-r--r-- 1 root root 1827 Apr 21 11:36 models.pyc -rw-r--r-- 1 root root 514 Apr 17 10:56 tests.py -rw-r--r-- 1 root root 989 Apr 21 13:44 tests.pyc -rw-r--r-- 1 root root 1035 Apr 17 10:56 urls.py -rw-r--r-- 1 root root 1935 Apr 21 13:00 urls.pyc -rw-r--r-- 1 root root 3164 Apr 17 10:56 views.py -rw-r--r-- 1 root root 4081 Apr 21 13:00 views.pyc Update 2: this is my settings.py # Django settings for workshop project. DEBUG = True TEMPLATE_DEBUG = DEBUG ADMINS = ( ('Ignacio Rojas', '[email protected]'), ('Fabian Biedermann', '[email protected]'), ) MANAGERS = ADMINS DATABASE_ENGINE = 'sqlite3' DATABASE_NAME = '/opt/workshop/workshop.db' DATABASE_USER = '' DATABASE_PASSWORD = '' DATABASE_HOST = '' DATABASE_PORT = '' # Local time zone for this installation. Choices can be found here: # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name # although not all choices may be available on all operating systems. # If running in a Windows environment this must be set to the same as your # system time zone. TIME_ZONE = 'America/Asuncion' # Language code for this installation. All choices can be found here: # http://www.i18nguy.com/unicode/language-identifiers.html LANGUAGE_CODE = 'es-py' SITE_ID = 1 # If you set this to False, Django will make some optimizations so as not # to load the internationalization machinery. USE_I18N = True # Absolute path to the directory that holds media. # Example: "/home/media/media.lawrence.com/" MEDIA_ROOT = '' # URL that handles the media served from MEDIA_ROOT. Make sure to use a # trailing slash if there is a path component (optional in other cases). # Examples: "http://media.lawrence.com", "http://example.com/media/" MEDIA_URL = '' # URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a # trailing slash. # Examples: "http://foo.com/media/", "/media/". ADMIN_MEDIA_PREFIX = '/media/' # Make this unique, and don't share it with anybody. SECRET_KEY = '11y0_jb=+b4^nq@2-fo#g$-ihk5*v&d5-8hg_y0i@*9$w8jalp' MIDDLEWARE_CLASSES = ( 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', ) ROOT_URLCONF = 'workshop.urls' TEMPLATE_DIRS = ( # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates". # Always use forward slashes, even on Windows. # Don't forget to use absolute paths, not relative paths. "/opt/workshop/templates" ) INSTALLED_APPS = ( 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'workshop.vehicles', ) TEMPLATE_CONTEXT_PROCESSORS = ( 'django.core.context_processors.auth', 'django.core.context_processors.debug', 'django.core.context_processors.i18n', 'django.core.context_processors.media', )

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  • How do I get 3 lines of text from a paragraph

    - by Keltex
    I'm trying to create an "snippet" from a paragraph. I have a long paragraph of text with a word hilighted in the middle. I want to get the line containing the word before that line and the line after that line. I have the following piece of information: The text (in a string) The lines are deliminated by a NEWLINE character \n I have the index into the string of the text I want to hilight A couple other criteria: If my word falls on first line of the paragraph, it should show the 1st 3 lines If my word falls on the last line of the paragraph, it should show the last 3 lines Should show the entire paragraph in the degenative cases (the paragraph only has 1 or 2 lines) Here's an example: This is the 1st line of CAT text in the paragraph This is the 2nd line of BIRD text in the paragraph This is the 3rd line of MOUSE text in the paragraph This is the 4th line of DOG text in the paragraph This is the 5th line of RABBIT text in the paragraph Example, if my index points to BIRD, it should show lines 1, 2, & 3 as one complete string like this: This is the 1st line of CAT text in the paragraph This is the 2nd line of BIRD text in the paragraph This is the 3rd line of MOUSE text in the paragraph If my index points to DOG, it should show lines 3, 4, & 5 as one complete string like this: This is the 3rd line of MOUSE text in the paragraph This is the 4th line of DOG text in the paragraph This is the 5th line of RABBIT text in the paragraph etc. Anybody want to help tackle this?

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  • Python TypeError: an integer is required

    - by kartiku
    import scipy,array def try_read_file(): def line_reader(lines): for l in lines: i = l.find('#') if i != -1: l = l[:i] l = l.strip() if l: yield l def column_counter(): inputer = (line.split() for line in line_reader(file('/home/kartik/Downloads/yahoo_dataset/set1.train.txt'.strip()))) loopexit = 0 for line in inputer: feature_tokens = (token.split(':') for token in line[6:]) feature_ids = array.array('I') for t in feature_tokens: feature_ids.append(int (t[0])) tmpLength = feature_ids[-1] print feature_ids loopexit = loopexit + 1 if loopexit > 0: break return tmpLength def line_counter(): inputer = (line.split() for line in line_reader(file('/home/kartik/Downloads/yahoo_dataset/set1.train.txt'.strip()))) noOfRows = 0 for line in inputer: noOfRows = noOfRows + 1 return noOfRows inputer = (line.split() for line in line_reader(file('/home/kartik/Downloads/yahoo_dataset/set1.train.txt'.strip()))) feature_id_list = [] feature_value_list = [] relevance_list = [] noOfRows = line_counter() noOfCols = column_counter() print noOfRows print noOfCols # line 52 #Create the feature array feature_array = scipy.zeros((noOfRows,noOfCols), float) rowCounter = 1; for line in inputer: feature_tokens = (token.split(':') for token in line[6:]) feature_ids = array.array('I') feature_values = array.array('f') for t in feature_tokens: feature_ids.append(int(t[0])) if (t[0]!=colCounter): feature_array[rowCounter,colCounter] = 0 else: feature_array[rowCounter,colCounter] = t[1] feature_values.append(float(t[1])) colCounter = colCounter + 1; label = float(line[0]) assert(line[1].startswith('qid:')) query_id = int(line[1][4:]) feature_id_list.append(feature_ids) feature_value_list.append(feature_values) relevance_list.append(label) rowCounter = rowCounter + 1; return feature_array Error: Traceback (most recent call last): File "<pyshell#97>", line 1, in <module> try_read_file() File "/home/kartik/Python/prelim_read.py", line 52, in try_read_file print noOfCols TypeError: an integer is required What is the problem, i couldn't figure it out? I tried to debug it, but it doesnt really go inside those methods. It gives me an address in place of those variables.

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  • How do I get 3 lines of text from a paragraph in C#

    - by Keltex
    I'm trying to create an "snippet" from a paragraph. I have a long paragraph of text with a word hilighted in the middle. I want to get the line containing the word before that line and the line after that line. I have the following piece of information: The text (in a string) The lines are deliminated by a NEWLINE character \n I have the index into the string of the text I want to hilight A couple other criteria: If my word falls on first line of the paragraph, it should show the 1st 3 lines If my word falls on the last line of the paragraph, it should show the last 3 lines Should show the entire paragraph in the degenative cases (the paragraph only has 1 or 2 lines) Here's an example: This is the 1st line of CAT text in the paragraph This is the 2nd line of BIRD text in the paragraph This is the 3rd line of MOUSE text in the paragraph This is the 4th line of DOG text in the paragraph This is the 5th line of RABBIT text in the paragraph Example, if my index points to BIRD, it should show lines 1, 2, & 3 as one complete string like this: This is the 1st line of CAT text in the paragraph This is the 2nd line of BIRD text in the paragraph This is the 3rd line of MOUSE text in the paragraph If my index points to DOG, it should show lines 3, 4, & 5 as one complete string like this: This is the 3rd line of MOUSE text in the paragraph This is the 4th line of DOG text in the paragraph This is the 5th line of RABBIT text in the paragraph etc. Anybody want to help tackle this?

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  • Parsing data with Clojure, interval problem.

    - by Andrea Di Persio
    Hello! I'm writing a little parser in clojure for learning purpose. basically is a TSV file parser that need to be put in a database, but I added a complication. The complication itself is that in the same file there are more intervals. The file look like this: ###andreadipersio 2010-03-19 16:10:00### USER COMM PID PPID %CPU %MEM TIME root launchd 1 0 0.0 0.0 2:46.97 root DirectoryService 11 1 0.0 0.2 0:34.59 root notifyd 12 1 0.0 0.0 0:20.83 root diskarbitrationd 13 1 0.0 0.0 0:02.84` .... ###andreadipersio 2010-03-19 16:20:00### USER COMM PID PPID %CPU %MEM TIME root launchd 1 0 0.0 0.0 2:46.97 root DirectoryService 11 1 0.0 0.2 0:34.59 root notifyd 12 1 0.0 0.0 0:20.83 root diskarbitrationd 13 1 0.0 0.0 0:02.84 I ended up with this code: (defn is-header? "Return true if a line is header" [line] (> (count (re-find #"^\#{3}" line)) 0)) (defn extract-fields "Return regex matches" [line pattern] (rest (re-find pattern line))) (defn process-lines [lines] (map process-line lines)) (defn process-line [line] (if (is-header? line) (extract-fields line header-pattern)) (extract-fields line data-pattern)) My idea is that in 'process-line' interval need to be merged with data so I have something like this: ('andreadipersio', '2010-03-19', '16:10:00', 'root', 'launchd', 1, 0, 0.0, 0.0, '2:46.97') for every row till the next interval, but I can't figure how to make this happen. I tried with something like this: (def process-line [line] (if is-header? line) (def header-data (extract-fields line header-pattern))) (cons header-data (extract-fields line data-pattern))) But this doesn't work as excepted. Any hints? Thanks!

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  • Could someone help me debug my app (not very big)?

    - by Alex
    Not sure if this kind of help is accepted to ask for here, tell me if it isn't. It has to get done before tomorrow, it's not entirerly finished but it should work somewhat ok by now. I'm trying to use the Eclipse debugger (not very used to it). I have my top-level or main class, which is Game, in which I have a constructor and a main method. In the main method I create a new "Game", initiating the constructor. public static void main(String[] args){ Game chess = new Game(); } public Game(){ Board board = new Board(); That's the first thing the debugger reacts to: Thread [main] (Suspended) ClassNotFoundException(Object).<init>() line: 20 [local variables unavailable] ClassNotFoundException(Throwable).<init>(String, Throwable) line: 217 ClassNotFoundException(Exception).<init>(String, Throwable) line: not available ClassNotFoundException.<init>(String) line: not available URLClassLoader$1.run() line: not available AccessController.doPrivileged(PrivilegedExceptionAction<T>, AccessControlContext) line: not available [native method] Launcher$ExtClassLoader(URLClassLoader).findClass(String) line: not available Launcher$ExtClassLoader.findClass(String) line: not available Launcher$ExtClassLoader(ClassLoader).loadClass(String, boolean) line: not available Launcher$AppClassLoader(ClassLoader).loadClass(String, boolean) line: not available Launcher$AppClassLoader.loadClass(String, boolean) line: not available Launcher$AppClassLoader(ClassLoader).loadClass(String) line: not available Game.<init>() line: 15 Game.main(String[]) line: 11 Line 11 is the one line in my main method, line 15 is the instantiation of "board".

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  • need help with C++ using maps to keep track of words in a INPUT file

    - by eNetik
    Let say i have a text file with today is today but tomorrow is today tomorrow then using maps how can i keep track of the words that are repeated? and on which line it repeats? so far i have each string in the file read in as a temp and it is stored in the following way: map<string,int> storage; int count = 1 // for the first line of the file if(infile.is_open()){ while( !infile.eof() ){ getline(in, line); istringstream my_string(line); while(my_string.good()){ string temp; my_string >> temp; storage[temp] = count } count++;// so that every string read in the next line will be recorded as that line. } } map<string,int>::iterator m; for(int m = storage.begin(); m!= storage.end(); m++){ out<<m->first<<": "<<"line "<<m->second<<endl; } right now the output is just but: line 1 is: line 2 today: line 2 tomorrow: line 2 But instead.. it should print out(no repeating strings): today : line 1 occurred 2 times, line 2 occurred 1 time. is: line 1 occurred 1 time, line 2 occurred 1 time. but: line 1 occurred 1 time. tomorrow: line 2 occurred 2 times. Note: the order of the string does not matter. Any help would be appreciated. Thanks.

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  • Calling Status Bar notification from method from other class.

    - by Jez Fischer
    Firstly, I am new to both android and Java. I have two classes, my main.class and Note.class. I am calling the notification method from my Note.class in my main.class when i press a button. The issue is with this line from the Note.class : PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); When the method is called it force closes. I believe the problem to be with the "this" in PendingIntent.getActivity(this, 0, notificationIntent, 0);, but I am unsure what to change it to. The notification code works fine if it's in the main class. I would be very grateful for any guidance. Edit: Main class : http://pastebin.com/05Yx0a48 Note.class : package com.adamblanchard.remindme.com.adamblanchard; import com.adamblanchard.remindme.R; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; public class Note extends Activity { public CharSequence note = "not changed"; int HELLO_ID = 1; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); setTitle("Remind Me!"); } //Notification Method public void callNotification() { // TODO Auto-generated method stub String ns = Context.NOTIFICATION_SERVICE; final NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns); int icon = R.drawable.launcher; CharSequence tickerText = "Remind Me!"; long when = System.currentTimeMillis(); final Notification notification = new Notification(icon, tickerText, when); notification.flags |= Notification.FLAG_AUTO_CANCEL; final Context context = getApplicationContext(); CharSequence contentTitle = "Remind Me!"; CharSequence contentText = note; Intent notificationIntent = new Intent(context, AndroidNotifications.class); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); mNotificationManager.notify(HELLO_ID, notification); HELLO_ID++; } } Debug Output : Thread [<1 main] (Suspended (exception IllegalStateException)) Note(Activity).getSystemService(String) line: 3536 Note.callNotification() line: 37 remindme$1$1.onClick(DialogInterface, int) line: 72 AlertDialog(AlertController$ButtonHandler).handleMessage(Message) line: 159 AlertController$ButtonHandler(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 123 ActivityThread.main(String[]) line: 3647 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 507 ZygoteInit$MethodAndArgsCaller.run() line: 839 ZygoteInit.main(String[]) line: 597 NativeStart.main(String[]) line: not available [native method] This is the debug output I get, plus a force close popup on the device. Edit2: Manifest xml: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.adamblanchard.remindme" android:versionCode="3" android:versionName="0.7"> <application android:label="@string/app_name" android:icon="@drawable/ic_launcher72"> <activity android:name=".com.adamblanchard.remindme" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".Note"> <intent-filter> <action android:name="Note" /> <category android:name="android.intent.category.DEFAULT"/> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="1"></uses-sdk> </manifest> Stack traces (Are these what you mean?): Thread [<1> main] (Suspended (exception ActivityNotFoundException)) Instrumentation.checkStartActivityResult(int, Object) line: 1404 Instrumentation.execStartActivity(Context, IBinder, IBinder, Activity, Intent, int) line: 1378 remindme(Activity).startActivityForResult(Intent, int) line: 2827 remindme(Activity).startActivity(Intent) line: 2933 remindme$1$1.onClick(DialogInterface, int) line: 82 AlertDialog(AlertController$ButtonHandler).handleMessage(Message) line: 159 AlertController$ButtonHandler(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 123 ActivityThread.main(String[]) line: 3647 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 507 ZygoteInit$MethodAndArgsCaller.run() line: 839 ZygoteInit.main(String[]) line: 597 NativeStart.main(String[]) line: not available [native method]

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  • FTP "PUT" fails from Virtual Machine, but not host PC: 504 Command not implemented for that paramete

    - by BrianH
    I have an FTP Script I'm using to automate a file transfer. The transfer works fine on my PC (XP SP2), but when I try and run it on a VM on my PC (XP SP2), the "put" commands gives off: 504 Command not implemented for that parameter. FTP File: open [ftp site] [username] [password] cd [directory on FTP server] binary hash put ..\[subfolder1]\[Subfolder2]\[subfolder3]\[filename] bye The FTP site/server is around the world, and not under my control. From what I understand of a 504, that means the command should NEVER work, but since the same script DOES work on my PC (hosting the VM), that eliminates syntax, file naming, etc. The put command when triggered from the VM, actually creates a 0 length file on the target FTP server, but doesn't populate the file.

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  • How can I delete a specific file from a set of results using the find command in Linux?

    - by PeanutsMonkey
    I have the following command that lists all files with the extension doc, docx, etc. find . -maxdepth 1 -iname \*.doc\* The command returns numerous files some of which I would like to delete. So for example the results returned are Example.docx Dummydata.doc Sample.doc I would like to delete Sample.doc and Dummydata.docx. How do I delete the files using the -exec option. Am I able to pass in the names of the files e.g. rm Dummydata.docx Sample.doc hence the command would look as follows find . -maxdepth 1 -iname \*.doc\* -exec rm Dummydata.docx Sample.doc Can I pass the names of the files within {} afterrm`? e.g. find . -maxdepth 1 -iname \*.doc\* -exec rm {Dummydata.docx} Sample.doc Is there a better way of doing it?

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  • What's the utility of the return command in autohotkey?

    - by Shashank Sawant
    In the instances where the return command returns a value, the utility is obvious. I have seen the return command being used even when it is seemingly unnecessary. Let me show the following examples: Example 1: Loop { if a_index > 25 break ; Terminate the loop if a_index < 20 continue ; Skip the below and start a new iteration MsgBox, a_index = %a_index% ; This will display only the numbers 20 through 25 } Example 2: IfWinExist, Untitled - Notepad { WinActivate ; Automatically uses the window found above. return } Why is the return command used in Example 2 but is not used in Example 1? Both examples are copy-pasted/modified-pasted from the autohotkey.com's documentation.

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  • How can I copy the output from a remote command into the local clipboard?

    - by cwd
    I use iTerm2 as my terminal client in Mac OS X. On the local system I can use pbcopy and pbpaste to transfer data between the system clipboard and the terminal, but of course this doesn't work when you're ssh'ed to another machine. Is there some way which I can take the result of a command and copy it to the clipboard automatically? Perhaps an applescript to grab the text on the iTerm windows, then get the next to last line? For instance, if I wanted to copy the current working directory: I run pwd, then use the mouse to select the text, and then press command + c. Is there any better / faster / automatic way of doing this? I'm not looking for a bulletproof solution that would work for every command (eg: might not work when there is a huge scrollback) - I'm just looking for something to make this task that I do quite often a little less tedious. Update I'm looking into using screen to do this, but I'm still not sure if it is possible.

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  • windows 2003 download utility from command line , http or ftp or any other protocol , from one comma

    - by Michael
    Hello , I need to know if there is anyway utility bult-in windows 2003 that I can use from the command line to download a file using only one command. Basically I know that I can download from ftp using the "ftp" utility but in order to do that I need to do first "ftp open" and then pass the other commands so it doesn't help me because I need to do perform the download only from one command. The download may be performed through http, ftp or any other protocol. OS Name: Microsoft(R) Windows(R) Server 2003 Enterprise x64 Editio OS Version: 5.2.3790 Service Pack 2 Build 379 Thank you in advance for any answer !

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  • Chef command to create new ec2 instance with second ebs volume attached and mounted instead of the default ephemeral volume?

    - by runamok
    We currently use this command to create a new ec2 instance with chef: knife ec2 server create --node-name=prod-apache-1 --availability-zone us-east-1c --image ami-3d4ff254 --distro ubuntu12.04-gems --groups "default" --ssh-key foo --identity-file ~/.ssh/id_rsa --ssh-user ubuntu --flavor m1.small After this command we then run further chef commands to finish provisioning the server. I was wondering if it would be possible while first setting up the instance I wanted a 100 gb volume created and mounted at /mnt and to have the ephemeral storage mounted at /tmp or /mnt-ephemeral instead. If not what further commands in chef would you advise running? I know how to do this via the aws console and can probably figure out how to do it via the ec2 command line tools but I am knew to chef and a bit overwhelmed.

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  • windows-server-2003, windows server, download utility from command line , http or ftp or any other p

    - by Michael
    Hello , I need to know if there is anyway utility bult-in windows 2003 that I can use from the command line to download a file using only one command. Basically I know that I can download from ftp using the "ftp" utility but in order to do that I need to do first "ftp open" and then pass the other commands so it doesn't help me because I need to do perform the download only from one command. The download may be performed through http, ftp or any other protocol. OS Name: Microsoft(R) Windows(R) Server 2003 Enterprise x64 Editio OS Version: 5.2.3790 Service Pack 2 Build 379 Thank you in advance for any answer !

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  • How can I tell what command is running on the remote end of an ssh connection?

    - by user268385
    Tl;dr - how do I find the name of the command (eg $BASH_COMMAND) running on the remote end of an ssh connection? ... My example setup is two tmux vertical panes, LH pane runs a local vim session with vertical split, RH pane runs an ssh session running vim, again with a vertical split. Using tmux-navigator I can navigate from left to right over the first 3 vim buffers, but the 4th (far right hand one) is inaccessible. The reason for this is that tmux-navigator tests the value of 'pane_current_command' and compares it to 'vim' before deciding which keystrokes to dispatch. On the right hand tmux pane, the current command is 'ssh' and not 'vim'. What I want to do is test for (pane_current_command =~ 'ssh'), and if so, examine the command that is running on the far side of the connection? I cannot find a way to get hold of this, so any suggestions would be welcome? For information, the problem is almost the same as this one, but without the nested tmux sessions: https://github.com/christoomey/vim-tmux-navigator/issues/12

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  • Why is execution of batch files different between drag & drop and from command line?

    - by Dharma Leonardi
    Ok, so I've been trying to figure this out for hours with no progress. I have created a batch file to get details of a VHD. Everything runs fine and produces the expected results when run from the command line in a command prompt. However, when I use drag and drop from file explorer (dragging a vhd file and dropping onto the batch file) the batch file runs without errors but the output (VHD.INFO) is empty. I'm stumped. Edited to only include the behaviour: @echo off cls setlocal enabledelayedexpansion set "_PATH.THIS=%~dp0" echo HELP | diskpart > %_PATH.THIS%OUTPUT.TMP TYPE %_PATH.THIS%OUTPUT.TMP PAUSE To demonstrate the different behaviour, please run the batch file from the command line once (works) and also run the batch file by double clicking in file explorer (failure in all piping commands).

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  • Emacs equivalent of this Vim command to run my tests?

    - by eightbitraptor
    I'm using Emacs at the moment and experimenting with it for my Rails development and there is one thing that I do quite regularly in Vim and I'd like to know if an equivalent exists in Emacs, or an alternative workflow to achieve the behavior that I need. The command in Vim is :map ;t :!rspec --no-color %<cr> Essentially this maps a key combination to run a bash/shell command on the file represented by the current buffer (% expands to the filename at runtime, the <cr> is just a carriage return at the end to execute the command). I map all sorts of random little commands as and when I need them and I really miss the immediacy of this approach. How can I achieve something similar?

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  • How do you indent *every* line of a <span> element?

    - by George Edison
    I have the following HTML chunk: <span class='instruction_text'> Line 1<br> Line 2 </span> And the CSS declaration of instruction_text is: .instruction_text { margin-left: 70px; font-style: italic; color: #555; } The first line has a 70px margin as expected, but the next line starts with no indent. How can I make ALL of the lines indented?

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