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  • The Beginner’s Guide to Nano, the Linux Command-Line Text Editor

    - by YatriTrivedi
    New to the Linux command-line? Confused by all of the other advanced text editors? How-To Geek’s got your back with this tutorial to Nano, a simple text-editor that’s very newbie-friendly. When getting used to the command-line, Linux novices are often put off by other, more advanced text editors such as vim and emacs. While they are excellent programs, they do have a bit of a learning curve. Enter Nano, an easy-to-use text editor that proves itself versatile and simple. Nano is installed by default in Ubuntu and many other Linux distros and works well in conjunction with sudo, which is why we love it so much Latest Features How-To Geek ETC The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin How to Determine What Kind of Comment to Leave on Facebook [Humorous Flow Chart] View the Cars of Tomorrow Through the Eyes of the Past [Historical Video] Add Romance to Your Desktop with These Two Valentine’s Day Themes for Windows 7 Gmail’s Priority Inbox Now Available for Mobile Web Browsers Touchpad Blocker Locks Down Your Touchpad While Typing Arrival of the Viking Fleet Wallpaper

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  • Black screen on login, can get thru decrypt disk and access command line but no GUI

    - by t3lf3c
    Running 12.04 64 bit fresh alternative install, with disk crypto on a new Lenovo laptop Install didn't connect and install modules, even though I had the network cable plugged in and don't have any whacky proxy settings. I had to manually install ubunut-desktop and define sources after initial installation, so this seemed a bit weird (ISO matched MD5 sum though) I unplug the network cable, otherwise I get a black screen that I can do nothing with. So I turn laptop on, I have disk encryption, I type in the password at the Ubuntu decryption GUI then get "set up successfully" message "Waiting for network configuration ..." then "Waiting for up to 60 more seconds for network configuration" At this stage (a) If I wait for it then I get a black screen that I can do nothing with. (b) If I interrupt the process by pressing escape, then I break through to the command line. From the command line, I can go ahead and login, then plug my network cable in to do apt-get commands. As a precaution I do some house keeping which takes a few mins to run: sudo apt-get update sudo apt-get upgrade Running startx to get to the GUI gives: Fatal server errror: no screens found The .Xauthority file is being created in my home directory but it's empty. I review my order and note the system graphics: Intel HD Graphics (WWAN or mSATA capable) So it's weird that I can't get to the Gnome. It looks like drivers aren't working. Is there a way of getting Intel drivers from the command line? Or do you have any other suggestions on what to try next?

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  • Building/Installing Required a52 Plugin

    - by user71139
    I am trying to compile and install the a52 plugin following the instructions from here: https://help.ubuntu.com/community/DigitalAC-3Pulseaudio This worked on Ubuntu 11.10 but gives me some errors when I try to compile the plugin on Ubuntu 12.04. I've searched for a solution however I couldn't find much on this topic in general, not to talk about a solution. I would really appreciate some help on this: bogdan@bogdan-desktop:~$ cd ~/tmp/ bogdan@bogdan-desktop:~/tmp$ cd alsa-plugins-1.0.25/ bogdan@bogdan-desktop:~/tmp/alsa-plugins-1.0.25$ make make all-recursive make[1]: Entering directory `/home/bogdan/tmp/alsa-plugins-1.0.25' Making all in oss make[2]: Entering directory `/home/bogdan/tmp/alsa-plugins-1.0.25/oss' /bin/bash ../libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I.. -Wall -g -I/usr/include/alsa -g -O2 -MT ctl_oss.lo -MD -MP -MF .deps/ctl_oss.Tpo -c -o ctl_oss.lo ctl_oss.c ../libtool: line 831: X--tag=CC: command not found ../libtool: line 864: libtool: ignoring unknown tag : command not found ../libtool: line 831: X--mode=compile: command not found ../libtool: line 997: *** Warning: inferring the mode of operation is deprecated.: command not found ../libtool: line 998: *** Future versions of Libtool will require --mode=MODE be specified.: command not found ../libtool: line 1141: Xgcc: command not found ../libtool: line 1141: X-DHAVE_CONFIG_H: command not found ../libtool: line 1141: X-I.: command not found ../libtool: line 1141: X-I..: command not found ../libtool: line 1141: X-Wall: command not found ../libtool: line 1141: X-g: command not found ../libtool: line 1141: X-I/usr/include/alsa: No such file or directory ../libtool: line 1141: X-g: command not found ../libtool: line 1141: X-O2: command not found ../libtool: line 1141: X-MT: command not found ../libtool: line 1141: Xctl_oss.lo: command not found ../libtool: line 1141: X-MD: command not found ../libtool: line 1141: X-MP: command not found ../libtool: line 1141: X-MF: command not found ../libtool: line 1141: X.deps/ctl_oss.Tpo: No such file or directory ../libtool: line 1141: X-c: command not found ../libtool: line 1192: Xctl_oss.lo: command not found ../libtool: line 1197: libtool: compile: cannot determine name of library object from `': command not found make[2]: *** [ctl_oss.lo] Error 1 make[2]: Leaving directory `/home/bogdan/tmp/alsa-plugins-1.0.25/oss' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/bogdan/tmp/alsa-plugins-1.0.25' make: *** [all] Error 2 bogdan@bogdan-desktop:~/tmp/alsa-plugins-1.0.25$

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  • Toon/cel shading with variable line width?

    - by Nick Wiggill
    I see a few broad approaches out there to doing cel shading: Duplication & enlargement of model with flipped normals (not an option for me) Sobel filter / fragment shader approaches to edge detection Stencil buffer approaches to edge detection Geometry (or vertex) shader approaches that calculate face and edge normals Am I correct in assuming the geometry-centric approach gives the greatest amount of control over lighting and line thickness, as well eg. for terrain where you might see the silhouette line of a hill merging gradually into a plain? What if I didn't need pixel lighting on my terrain surfaces? (And I probably won't as I plan to use cell-based vertex- or texturemap-based lighting/shadowing.) Would I then be better off sticking with the geometry-type approach, or go for a screen space / fragment approach instead to keep things simpler? If so, how would I get the "inking" of hills within the mesh silhouette, rather than only the outline of the entire mesh (with no "ink" details inside that outline? Lastly, is it possible to cheaply emulate the flipped-normals approach, using a geometry shader? Is that exactly what the GS approaches do? What I want - varying line thickness with intrusive lines inside the silhouette... What I don't want...

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  • Maintaining a main project line with satellite projects

    - by NickLarsen
    Some projects I work on have a main line of features, but are customizable per customer. Up until now those customizations have been implemented as preferences, but now there are 2 problems with the system... The settings page is getting out of control with features. There are probably some improvements that could be made to the settings UI, but regardless, it is quite cumbersome setting up new instances for new customers. Customers have started asking for customizations which would be more easily maintained as separate threads instead of having tons of customizations code. Optimally I am envisioning some kind of source control in which features are either in the main project line and customizations per customer are maintained in a repo per customer set up. The customizations per project would need to remain separate but if a bug is found and fixed in a particular project, I would need to percolate the fix back to the main line and into all of the other customer repos. The problem is I have never seen this done before, and before spending time trying to find source control that can accommodate this scenario and implement it, I figure it best to ask if anyone has something less complicated or knows of a source control product which can handle this with very little hair pulling.

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  • Creating a 2D Line Branch

    - by Danran
    I'm looking into creating a 2D line branch, something for a "lightning effect". I did ask this question before on creating a "lightning effect" (mainly though referring to the process of the glow & after effects the lightning has & to whether it was a good method to use or not); Methods of Creating a "Lightning" effect in 2D However i never did get around to getting it working. So i've been trying today to get a seconded attempt going but i'm getting now-were :/. So to be clear on what i'm trying to-do, in this article posted; http://drilian.com/2009/02/25/lightning-bolts/ I'm trying to create the line segments seen in the images on the site. I'm confused mainly by this line in the pseudo code; // Offset the midpoint by a random amount along the normal. midPoint += Perpendicular(Normalize(endPoint-startPoint))*RandomFloat(-offsetAmount,offsetAmount); If someone could explain this to me it would be really grateful :).

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  • Drawing a texture line between two vectors in XNA WP7

    - by Krav
    I want to create a simple graph maker in WP7. The goal is to draw a texture line between two vectors what the user defines with touch. I already made the rotation, and it is working, but not correctly, because it doesn't calculate the line's texture height, and because of that, there are too many overlapping textures. So it does draw the line, but too many of them. How could I calculate it correctly? Here is the code: public void DrawLine(Vector2 st,Vector2 dest,NodeUnit EdgeParent,NodeUnit EdgeChild) { float d = Vector2.Distance(st, dest); float rotate = (float)(Math.Atan2(st.Y - dest.Y, st.X - dest.X)); direction = new Vector2(((dest.X - st.X) / (float)d), (dest.Y - st.Y) / (float)d); Vector2 _pos = st; World.TheHive.Add(new LineHiveMind(linetexture, _pos, rotate, EdgeParent, EdgeChild,new List<LineUnit>())); for (int i = 0; i < d; i++) { World.TheHive.Last()._lines.Add(new LineUnit(linetexture, _pos, rotate, EdgeParent, EdgeChild)); _pos += direction; } } d is for the Distance of the st (Starting node) and dest (Destination node) rotate is for rotation direction calculates the direction between the starting and the destination node _pos is for starting position changing Thanks for any suggestions/help!

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  • Point in Polygon, Ray Method: ending infinite line

    - by user2878528
    Having a bit of trouble with point in polygon collision detection using the ray method i.e. http://en.wikipedia.org/wiki/Point_in_polygon My problem is I need to give an end to the infinite line created. As with this infinite line I always get an even number of intersections and hence an invalid result. i.e. ignore or intersection to the right of the point being checked what I have what I want My current code based of Mecki awesome response for (int side = 0; side < vertices.Length; side++) { // Test if current side intersects with ray. // create infinite line // See: http://en.wikipedia.org/wiki/Linear_equation a = end_point.Y - start_point.Y; b = start_point.X - end_point.X; c = end_point.X * start_point.Y - start_point.X * end_point.Y; //insert points of vector d2 = a * vertices[side].Position.X + b * vertices[side].Position.Y + c; if (side - 1 < 0) d1 = a * vertices[vertices.Length - 1].Position.X + b * vertices[vertices.Length - 1].Position.Y + c; else d1 = a * vertices[side-1].Position.X + b * vertices[side-1].Position.Y + c; // If points have opposite sides, intersections++; if (d1 > 0 && d2 < 0 ) intersections++; if (d1 < 0 && d2 > 0 ) intersections++; } //if intersections odd inside = true if ((intersections % 2) == 1) inside = true; else inside = false;

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  • Mediawiki extension error

    - by vinylguitar
    I'm running the latest version of mediawiki using MoWeS Portable II from my desktop. I just installed this extension on the wiki http://www.mediawiki.org/wiki/Extension:MsUpload It adds an option to upload files (to be embedded in an article) to the edit screen of an article. After installing it when I try and edit an article I get the following error: Fatal error: Call to undefined method OutputPage::addModules() in C:\Users\User\Desktop\knowledge mapedia 10 25 13 copy\mowes_portable\www\mediawiki\extensions\MsUpload\msupload.php on line 65 Also here is what I posted in the localsettings.php file (I put it in at the end of localsettings.php if it makes a difference): Start --------------------------------------- MsUpload $wgMSU_ShowAutoKat = false; #autocategorisation $wgMSU_CheckedAutoKat = false; #checkbox for autocategorisation checked $wgMSU_debug = false; #debug mode $wgMSU_ImgParams = '400px'; #default max-size for inserted image $wgMSU_UseDragDrop = true; #show drag&drop area require_once "$IP/extensions/MsUpload/msupload.php"; End --------------------------------------- MsUpload require_once "$IP/extensions/msupload/msupload.php"; At line 65 in the localsettings.php file there is the following: line 64 ## Database settings line 65 $wgDBtype = "mysql"; line 66 $wgDBserver = "localhost"; line 67 $wgDBname = "mediawiki"; line 68 $wgDBuser = "root"; line 69 $wgDBpassword = ""; Any idea what I'm doing wrong?

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  • ?SPARC T4?????????????·???? : Netra SPARC T4-1

    - by user13138700
    ?SPARC T4???????????????·??????? Netra SPARC T4-1 ???? Netra SPARC T4-2 ?2012?1?10??????????3?15??????????????(????) ?????????? Netra SPARC T4-1 ? 4core ???( T4 ???????? 4core ???)(*)???????????????????????????(*)( Netra SPARC T4-1 ?????? 4core ???? 8core ????????) ??? prtdiag ????? pginfo ??????????????? 8????/1core ???? prtdiag ????????4core=32???????????????pginfo ?????????????????core ???????????????????? # ./prtdiag -v System Configuration: Oracle Corporation sun4v Netra SPARC T4-1 ???????: 130560 M ??? ================================ ?? CPU ================================ CPU ID Frequency Implementation Status ------ --------- ---------------------- ------- 0 2848 MHz SPARC-T4 on-line 1 2848 MHz SPARC-T4 on-line 2 2848 MHz SPARC-T4 on-line 3 2848 MHz SPARC-T4 on-line 4 2848 MHz SPARC-T4 on-line 5 2848 MHz SPARC-T4 on-line 6 2848 MHz SPARC-T4 on-line 7 2848 MHz SPARC-T4 on-line 8 2848 MHz SPARC-T4 on-line 9 2848 MHz SPARC-T4 on-line 10 2848 MHz SPARC-T4 on-line 11 2848 MHz SPARC-T4 on-line 12 2848 MHz SPARC-T4 on-line 13 2848 MHz SPARC-T4 on-line 14 2848 MHz SPARC-T4 on-line 15 2848 MHz SPARC-T4 on-line 16 2848 MHz SPARC-T4 on-line 17 2848 MHz SPARC-T4 on-line 18 2848 MHz SPARC-T4 on-line 19 2848 MHz SPARC-T4 on-line 20 2848 MHz SPARC-T4 on-line 21 2848 MHz SPARC-T4 on-line 22 2848 MHz SPARC-T4 on-line 23 2848 MHz SPARC-T4 on-line 24 2848 MHz SPARC-T4 on-line 25 2848 MHz SPARC-T4 on-line 26 2848 MHz SPARC-T4 on-line 27 2848 MHz SPARC-T4 on-line 28 2848 MHz SPARC-T4 on-line 29 2848 MHz SPARC-T4 on-line 30 2848 MHz SPARC-T4 on-line 31 2848 MHz SPARC-T4 on-line ======================= Physical Memory Configuration ======================== ???? # pginfo -p -T 0 (System [system,chip]) CPUs: 0-31 `-- 3 (Data_Pipe_to_memory [system,chip]) CPUs: 0-31 |-- 2 (Floating_Point_Unit [core]) CPUs: 0-7 | `-- 1 (Integer_Pipeline [core]) CPUs: 0-7 |-- 5 (Floating_Point_Unit [core]) CPUs: 8-15 | `-- 4 (Integer_Pipeline [core]) CPUs: 8-15 |-- 7 (Floating_Point_Unit [core]) CPUs: 16-23 | `-- 6 (Integer_Pipeline [core]) CPUs: 16-23 `-- 9 (Floating_Point_Unit [core]) CPUs: 24-31 `-- 8 (Integer_Pipeline [core]) CPUs: 24-31 T4 ????????????????????????????????????????????????? T3 ?????(S2 core)?????T4 ?????(S3 core)?????????????5???????????? T3 ?????(S2 core)?????????????????????????(????????)?????????????????????????????????????????????·???????????????????????????????????????? ????T4 ????????????????????????????T4 ??????????·??????? Netra SPARC T4-1 4core ????????????????????????????????????T3 ???????????????????????????? ?????????Netra SPARC T4-1 ??????????????? Netra SPARC T4-1 ?? Computing 1 x SPARC T4 4?? 32???? or 8 ?? 64 ???? 2.85GHz CPU (1?????8????) 16 x DDR3 DIMM (?? 256GB ?????16GB DIMM ???) I/O and Storage 3 x Low Profile PCI-Express Gen2 ???? (2 x 10Gb Ethernet XAUI ???????) 2 x Full-height Half-length PCI-Express Gen2 ???? 4 x 10/100/1000 Ethernet ???????? 4 x 2.5” SAS2 HDD 4 x USB ??? (?? 2, ?? 2) RAS and Management and Power Supply ???? (RAID????), ????PSU ?????????? ILOM?????????????? 2N (1+1) , AC ???? DC ?? Support OS Oracle Solaris 10 10/9, 9/10, 8/11, Oracle Solaris 11 11/11 Oracle VM Server for SPARC 2.1 (LDoms) ???? ??? NEBS Level3?? ??????21” 19”(EIA-310D),23”,24”,600mm????? ?????(?????)????????? ????SPARC T4 ????????SPARC T4 ?????????????????????????(4???)???????????? Oracle OpenWorld Tokyo 2012 ?3??(4/4(?)?4/5(?)?4/6(?))?????????????????????&?????????????????SPARC T4 ?????????????????????????????????·?????????????????SPARC T4 ???????????????????!? Oracle OpenWorld Tokyo 2012 http://www.oracle.com/openworld/jp-ja/index.html ????·???????????? 4/6(?) Develop D3-13 (14:00 - 14:45) ???????????49 ??? ?????? 7264 ???????????????

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  • I need to run a PHP script via command line but this happens.

    - by user355367
    I need to run a scrip via command line but the files necessary for me to run it require me to be in the directory of the script. But I cannot do it for every command line i need to run. Their are over five thousand. Could someone tell me how to either format the list easily or add something to the format that would make it run. I have something like this.... php /path/to/the/script/01240/script.php php /path/to/the/script/03770/script.php php /path/to/the/script/02110/script.php php /path/to/the/script/02380/script.php php /path/to/the/script/03220/script.php php /path/to/the/script/02340/script.php php /path/to/the/script/03720/script.php php /path/to/the/script/03460/script.php php /path/to/the/script/0180/script.php php /path/to/the/script/02000/script.php php /path/to/the/script/01830/script.php php /path/to/the/script/0980/script.php php /path/to/the/script/0400/script.php php /path/to/the/script/02750/script.php php /path/to/the/script/0760/script.php php /path/to/the/script/02690/script.php ..... and it goes on for 5000 more lines.

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  • Run a command as cron would but from the command line.

    - by BCS
    I have a script that I'm trying to run from cron. When I run it from bash, it work just fine. However when I let cron do it's thing, I get a: myscript.sh: line 122: syntax error: unexpected end of file What I want is a way to run a command as if it was a cron job, but do it in my shell. As a side note: does anyone know what would be differnt under cron? (the script already has a #!/bin/sh line) To answer my own question: I added this to my crontab: * * * * * bcs for ((i=1; i <= 55; i++)) ; do find ~/.crontemp/ -name '*.run' -exec "{}" ";" ; sleep 1; done` and created this script: #!/bin/sh tmp=$(mktemp ~/.crontemp/cron.XXXXX) mknod $tmp.pipe p mv $tmp $tmp.pre echo $* '>' $tmp.pipe '1>&2' >> $tmp.pre echo rm $tmp.run >> $tmp.pre chmod 700 $tmp.pre mv $tmp.pre $tmp.run cat $tmp.pipe rm $tmp.pipe With that, I can run an arbitrary command with a delay of not more than one second. (And yes, I know there are all kinds of security issue involved in that)

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  • running php script manually and getting back to the command line?

    - by Simpson88Keys
    I'm running a php script via command line, and it works just fine, except that when it's finished, it doesn't go back to the command line? Just sits there, so I never when it's done... This is the script: $conn_id = ftp_connect(REMOTE) or die("Couldn't connect to ".REMOTE); $login_result = ftp_login($conn_id, 'OMITTED','OMITTED'); if ((!$conn_id) || (!$login_result)) die("FTP Connection Failed"); $dir = 'download'; if ($dir != ".") { if (ftp_chdir($conn_id, $dir) == false) { echo ("Change Dir Failed: $dir<BR>\r\n"); return; } if (!(is_dir($dir))) mkdir($dir); chdir ($dir); } $contents = ftp_nlist($conn_id, "."); foreach ($contents as $file) { if ($file == '.' || $file == '..') continue; if (@ftp_chdir($conn_id, $file)) { ftp_chdir ($conn_id, ".."); ftp_sync ($file); } else ftp_get($conn_id, $file, $file, FTP_BINARY); } ftp_chdir ($conn_id, ".."); chdir (".."); ftp_close($conn_id);

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  • UITextView adding text to new line

    - by Subro
    I would like to add new lines of text to my UITextView for my iPhone app. Basically my textview starts with a single line, and as app advances, new lines are added. However I can add only to the end or beginning of the existing text. How can I make such an entry into a new line. Can I manually send \n to the textview.text at a calculated range/location. E.g. of what I mean. line 1: This is first line of text. This is second line 2: line of text. --- I want: line 1: This is first line of text. line 2: This is second line of text. Thanks!

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  • Photoshop vector line

    - by Yuval
    When I use the line tool in Photoshop, it creates a vector layer mask with the shape of that line. When I draw a curved line with the pen tool, the only option I see for making a line out of the path is "Stroke path", which is not vector (raster). How do I create a vector line/curve with the pen tool in Photoshop (CS4)? Thanks!

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  • in tcl, how do I replace a line in a file?

    - by n00b programmer
    let's say I opened a file, then parsed it into lines. Then I use a loop: foreach line $lines {} inside the loop, for some lines, I want to replace them inside the file with different lines. Is it possible? Or do I have to write to another temporary file, then replace the files when I'm done? e.g., if the file contained AA BB and then I replace capital letters with lower case letters, I want the original file to contain aa bb Thanks!

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  • How do I format a String in an email so Outlook will print the line breaks?

    - by MattGrommes
    I'm trying to send an email in Java but when I read the body of the email in Outlook, it's gotten rid of all my linebreaks. I'm putting \n at the ends of the lines but is there something special I need to do other than that? The receivers are always going to be using Outlook. I found a page on microsoft.com that says there's a 'Remove line breaks' "feature" in Outlook so does this mean there's no solution to get around that other than un-checking that setting? Thanks

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  • How do i run the Android command line tools?

    - by fordays
    I'm still pretty new to Android and programming in general, and I can't seem to get the command line tools packaged with the Android SDK to work. I'm running Mac OSX and each time I try to run layoutopt, for example, the terminal returns, *-bash: cmd: command not found * Also, is it okay to have my SDK located in the Developer directory and my android project in some unrelated directory when using these tools?

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  • Windows is not passing command line arguments to Python programs executed from the shell.

    - by mckoss
    I'm having trouble getting command line arguments passed to Python programs if I try to execute them directly as executable commands from a Windows command shell. For example, if I have this program (test.py): import sys print "Args: %r" % sys.argv[1:] And execute: >test foo Args: [] as compared to: >python test.py foo Args: ['foo'] My configuration has: PATH=...;C:\python25;... PATHEXT=...;.PY;.... >assoc .py .py=Python.File >ftype | grep Python Python.CompiledFile="C:\Python25\python.exe" "%1" %* Python.File="C:\Python25\python.exe" "%1" %* Python.NoConFile="C:\Python25\pythonw.exe" "%1" %*

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  • How to edit the first line in a text file in c++?

    - by tsubasa
    I have a text file looks like this : 100 50 20 90 4.07498 0.074984 37.1704 28.1704 20.3999 14.3999 48.627 35.627 .... I need to edit this file so that everything is kept the same except the first line, 3rd item. The ouput should look like this: 100 50 19 90 4.07498 0.074984 37.1704 28.1704 20.3999 14.3999 48.627 35.627 .... How can I do it in c++ ? Can anybody help me? Thanks, Hoang

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