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  • Customized command line parsing in Python

    - by Moshe
    I'm writing a shell for a project of mine, which by design parses commands that looks like this: COMMAND_NAME ARG1="Long Value" ARG2=123 [email protected] My problem is that Python's command line parsing libraries (getopt and optparse) forces me to use '-' or '--' in front of the arguments. This behavior doesn't match my requirements. Any ideas how can this be solved? Any existing library for this?

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  • How to activate revision info in line number view

    - by Joshua
    I know of an Eclipse feature to show revision information (gradual coloring, more info like revisionnumber, date and author on mouseover) for the last changes in a line in the linenumbers-view. Does anyone know how to activate this feature for a file, or even better, by default? I accidently hit some shortcut lately which made it show in one file, it does not show up in the others, though.

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  • How to create a stand alone command line application with Node.js

    - by Fab
    I'm trying to find a way to use a command line nodejs application that I created on a computer without node.js installed. In other words how to package my application with node.js inside, in order to avoid the users to have node.js already installed. The tipical use case is: I run the application and the application works using the node core that is provide with the application (or the application checks if there is node.js installed, and if not it donwload and install it automatically). Do you have any idea?

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  • Command line semaphore utility

    - by compie
    I want to write a command line utility that can be used to synchronize the execution off programs in different consoles. Console A: $ first_program && semaphore -signal Console B: $ semaphore -wait && second_program The first program takes a long take to complete. The second program can only start when the first program has finished. Which synchronization object do I need to implement this?

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  • compile a single ASP.NET (.aspx) page from the command line

    - by JoelFan
    I have a Perl script that calls aspnet_compiler.exe to compile a large ASP.NET website. The problem is that it takes very long to run. Is there any way to compile just a single .aspx file from the command line? (I think that would suit the needs of my script) It seems that all aspnet_compiler.exe can do is compile at a directory level.

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  • Easy command line Java compile

    - by Nash0
    So I have to send a java project to someone outside our company who has no experience with java and they need to compile it. Is there an easy way to do it on the windows command line that does not require writing out lists of the files? Personally I think javac should be smart enough to handle javac * when in the folder just under the root of the package hierarchy. Is there anything in this ballpark?

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  • Is Android a product line?

    - by geowa4
    Android is an open source operating system that is modified by cell phone vendors (HTC, Motorola, etc.). Modifications include the user interface, drivers, and other proprietary extensions. Traditionally, product lines have been a suite of products or services that share a core set of functionality and are modified for different domains and markets. Does this still qualify as a product line?

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  • Correct to check for a command line flag in bash

    - by BCS
    In the middle of a scrip, I want to check if a given flag was passed on the command line. The following does what I want but seems ugly: if echo $* | grep -e "--flag" -q then echo ">>>> Running with flag" else echo ">>>> Running without flag" fi Is there a better way? Note: I explicitly don't want to list all the flags in a switch/getopt. (And BTW the bodies of the if just set a set of vars)

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  • IIS Redirection - command line

    - by clklachu
    I have a website say www.mywebsite.com/demo . When ever if anyone requests this site, i want to navigate to another website www.myanotherwebsite.com . I know that this can be done in IIS by using the HTTP Redirect feature. But since i want to do this for different websites, I would like to write a bat file which would run the command to set the redirect url for a website. Can anyone please help me how to set the redirection URL through command line?

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  • show line in exception.message

    - by Crash893
    How would one display what line number caused the error and is this even possible with the way that .net compiles its exes? If not is there an automated way for exception.message to display the sub that crapped out? try { int x = textbox1.text; } catch(exception ex) { messagebox.show(ex.message); }

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  • What is the most likely cause to a Blue Screen of Death when the user presses Ctrl-Alt-Delete?

    - by Jay
    My wife is experiencing this with her work laptop--she presses Ctrl-Alt-Delete to lock and she gets the BSOD. The first troubleshooting step is usually to "re-image", and it's locked down. So with this question, I am asking whether the behavior is unique enough that someone in the stack-universe knows exactly what this is (something I can tell her to tell her help desk support). Update: help desk said to order more RAM. Alt-tabbing caused the same behavior today. And...she learned that multiple users are affected. I'm not sure I'll be able to clean any additional info that will help w/ troubleshooting. I'll leave the question here for a bit and if an answer ends up being the actual solution, I'll accept it. If not, I think I should probably remove the question (i'll check meta). Update #2.5: The cause appears to be a ctrl-alt-delete keystroke while Sales Team Configurator is open. This can either be to lock the screen (there are workaround in answers already present) or to unlock the screen (no workaround for that).

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  • IntegrityError: foreign key violation upon delete

    - by Lukasz Korzybski
    I have Order and Shipment model. Shipment has a foreign key to Order. class Order(...): ... class Shipment() order = m.ForeignKey('Order') ... Now in one of my views I want do delete order object along with all related objects. So I invoke order.delete(). I have Django 1.0.4, PostgreSQL 8.4 and I use transaction middleware, so whole request is enclosed in single transaction. The problem is that upon order.delete() I get: ... File "/usr/local/lib/python2.6/dist-packages/django/db/backends/__init__.py", line 28, in _commit return self.connection.commit() IntegrityError: update or delete on table "main_order" violates foreign key constraint "main_shipment_order_id_fkey" on table "main_shipment" DETAIL: Key (id)=(45) is still referenced from table "main_shipment". I checked in connection.queries that proper queries are executed in proper order. First shipment is deleted, after that django executes delete on order row: {'time': '0.000', 'sql': 'DELETE FROM "main_shipment" WHERE "id" IN (17)'}, {'time': '0.000', 'sql': 'DELETE FROM "main_order" WHERE "id" IN (45)'} Foreign key have ON DELETE NO ACTION (default) and is initially deferred. I don't know why I get foreign key constraint violation. I also tried to register pre_delete signal and manually delete shipment objects before delete on order is called, but it resulted in the same error. I can change ON DELETE behaviour for this key in Postgres but it would be just a hack, I wonder if anyone has a better idea what's going on here. There is also a small detail, my Order model inherits from Cart model, so it actually doesn't have id field but cart_ptr_id and after DELETE on order is executed there is also DELETE on cart, but it seems unrelated? to the shipment-order problem so I simplified it in the example.

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  • Reading Unicode files line by line C++

    - by Roger Nelson
    What is the correct way to read Unicode files line by line in C++? I am trying to read a file saved as Unicode (LE) by Windows Notepad. Suppose the file contains simply the characters A and B on separate lines. In reading the file byte by byte, I see the following byte sequence (hex) : FE FF 41 00 0D 00 0A 00 42 00 0D 00 0A 00 So 2 byte BOM, 2 byte 'A', 2byte CR , 2byte LF, 2 byte 'B', 2 byte CR, 2 byte LF . I tried reading the text file using the following code: std::wifstream file("test.txt"); file.seekg(2); // skip BOM std::wstring A_line; std::wstring B_line; getline(file,A_line); // I get "A" getline(file,B_line); // I get "\0B" I get the same results using operator instead of getline file >> A_line; file >> B_line; It appears that the single byte CR character is is being consumed only as the single byte. or CR NULL LF is being consumed but not the high byte NULL. I would expect wifstream in text mode would read the 2byte CR and 2byte LF. What am I doing wrong? It does not seem right that one should have to read a text file byte by byte in binary mode just to parse the new lines.

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  • Django IntegrityError: foreign key violation upon delete

    - by Lukasz Korzybski
    I have Order and Shipment model. Shipment has a foreign key to Order. class Order(...): ... class Shipment() order = m.ForeignKey('Order') ... Now in one of my views I want do delete order object along with all related objects. So I invoke order.delete(). I have Django 1.0.4, PostgreSQL 8.4 and I use transaction middleware, so whole request is enclosed in single transaction. The problem is that upon order.delete() I get: ... File "/usr/local/lib/python2.6/dist-packages/django/db/backends/__init__.py", line 28, in _commit return self.connection.commit() IntegrityError: update or delete on table "main_order" violates foreign key constraint "main_shipment_order_id_fkey" on table "main_shipment" DETAIL: Key (id)=(45) is still referenced from table "main_shipment". I checked in connection.queries that proper queries are executed in proper order. First shipment is deleted, after that django executes delete on order row: {'time': '0.000', 'sql': 'DELETE FROM "main_shipment" WHERE "id" IN (17)'}, {'time': '0.000', 'sql': 'DELETE FROM "main_order" WHERE "id" IN (45)'} Foreign key have ON DELETE NO ACTION (default) and is initially deferred. I don't know why I get foreign key constraint violation. I also tried to register pre_delete signal and manually delete shipment objects before delete on order is called, but it resulted in the same error. I can change ON DELETE behaviour for this key in Postgres but it would be just a hack, I wonder if anyone has a better idea what's going on here. There is also a small detail, my Order model inherits from Cart model, so it actually doesn't have id field but cart_ptr_id and after DELETE on order is executed there is also DELETE on cart, but it seems unrelated? to the shipment-order problem so I simplified it in the example.

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  • Crontab: cut line to many lines?

    - by Heoa
    Hard-to-read-line @daily export sunshine="~/logs/Sunshine-`date '+\%F'`" && export sunshineUrl="http://www.sunshine.net/main/search_results.asp?currency_id=1&min_price=&max_price=50000&country_id=241&region_id=&Submit=Search" && mkdir -p $sunshine && cd $sunshine && wget --mirror -l 1 $sunshineUrl Which mark do I need to have it on many lines? @daily <SOME MARK HERE> export sunshine="~/logs/Sunshine-`date '+\%F'`" && <SOME MARK HERE> export sunshineUrl="http://www.sunshine.net/main/search_results.asp?currency_id=1&min_price=&max_price=50000&country_id=241&region_id=&Submit=Search" && <SOME MARK HERE> mkdir -p $sunshine && <SOME MARK HERE> cd $sunshine && wget --mirror -l 1 $sunshineUrl No success by appending \, //, \n or /n.

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  • CVS: command-line diff on a remote CVS server between two HEAD revs

    - by Gugussee
    My CVS-fu is not very strong anymore (after years of SVN'ing and now Mercurial'ing). I'm trying to do a diff between two revisions of the HEAD branch (everything is in the HEAD anyway). I received an IDE already set up to use a :pserver:myname@cvsserver:port/cvs/project CVS. I'm on Windows XP. I do not want to use the IDE (the goal here is to learn CVS a bit more). Apparently I cannot login using SSH to the CVS server. How can I run a remote CVS diff between two HEAD revs using the command line? P.S: I am new here, mod me up so I can comment etc. :)

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