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  • Redirecting exec output to a buffer or file

    - by devin
    I'm writing a C program where I fork(), exec(), and wait(). I'd like to take the output of the program I exec'ed to write it to file or buffer. For example, if I exec ls I want to write file1 file2 etc to buffer/file. I don't think there is a way to read stdout, so does that mean I have to use a pipe? Is there a general procedure here that I haven't been able to find?

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  • masked the pasword input to UITexfield

    - by user262325
    Hello everyone I hope to mask the text input to UITextFiled as: "ABCDE" to "*****" below are my codes without function - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { int l=[textField.text length]; range=NSMakeRange(1, l ); string=[[[NSString alloc]initWithString:@"*"] autorelease]; return YES; } Welcome any comment Thanks interdev

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  • Learning to read GCC assembler output

    - by porgarmingduod
    I'm considering picking up some very rudimentary understanding of assembly. My current goal is simple: VERY BASIC understanding of GCC assembler output when compiling C/C++ with the -S switch. Just enough to do simple things such as looking at a single function and verifying whether GCC optimizes away things I expect to disappear. Does anyone have/know of a truly concise introduction to assembly, relevant to GCC and specifically for the purpose of reading, and a list of the most important instructions anyone casually reading assembly should know?

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  • python command line yes/no input

    - by h3
    Is there any short way to achieve what APT does in Python ? I mean, when the package manager prompts a yes/no question followed by "[Yes/no]". The scripts accepts YES/Y/yes/y or "enter" (defaults to Yes as hinted by the capital) The only thing I find in the official doc is input/raw_input.. I know it's not that hard to emulate, but it's annoying to rewrite :|

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  • xslt or php for rendering output

    - by Arsenal
    I'm creating something where users can upload an xml and data get's imported to the database. Now I'm building some kind of a preview page where users will get to see how their input will look once it's stored. What would be the fastest (in execution time), using XSL to transform the xml to a html page, or using php to render the output? My guess is XSL is far more suitable (+ faster) for this (and by using a DTD there's no need for code written validation, right?)

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  • Using a macro for fstream file input as part of a class

    - by vette982
    I have a class that processes a file, and as part of the constructor with one argument I want to input a file using fstream. I basically want it do something like this class someClass{ public: someClass(char * FILENAME) { fstream fileToProcess; fileToProcess.open(<FILENAME>, fstream::in | fstream::out | fstream::app); } }; I want to pass the filename in as an argument to the class constructor, and then the class someClass will access it with fstream.

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  • Determining when or when not to escape output

    - by Ygam
    I have a page, where I have approximately 90 items I need to output. Most of them are object properties (I am using ORM so these objects map to my database tables). But the question is, do I have to escape each of those 90 outputs by applying functions to each (in my case, the htmlspecialchars)? Wouldn't that add a bit of an overhead (calling a single function 90 times)?

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  • Creating content input form with custom theme (Drupal)

    - by AndrewSmith
    I'm creating a site which I want to place content input form in custom themed template. I opted to do this because I wanted the whole site to be looked uniform. That said, I'm not sure as to what is the best approach to do this. Is it proper to invoke hook_insert/delete/update and hook_perm/hook_access by myself or is there anyway I can still use my custom theme and write a code in a way that drupal would take care of invoking appropriate hooks accordingly? Thanks in advance PS : I'm on drupal 6.x

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  • Sanitising user input using Python

    - by Steve
    What's the best way to sanitise user input for a Python-based web application? Is there a single function to remove HTML characters and any other necessary characters combinations to ensure that an XSS or SQL injection attack isn't possible?

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  • unix shell, redirect output but keep on stdin

    - by Mike
    I'd like to have a shell script redirect stdout of a child process in the following manner Redirect stdout to a file Display the output of the process in real time I know I could do something like #!/bin/sh ./child > file cat file But that would not display stdout in real time. For instance, if the child was #!/bin/sh echo 1 sleep 1 echo 2 The user would see "1" and "2" printed at the same time

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  • Output only characters between [ABC] and [/ABC]

    - by user564530
    $ cat somefile.txt afsdfv asdf[ABC]dafga asdfasf yxcvyxv[/ABC] asdadf yv[ABC]sdfb sdfgadfg [/ABC]adf asdf $ cat somefile.txt | NEEDEDONELINER > output.txt dafga asdfasf yxcvyxv sdfb sdfgadfg $ So the "NEEDEDONELINER" only outputs the characters between a [ABC] and [/ABC]. [ABC] could occur several times, and there could be random characters around it. I only need the random chars between the [ABC] and [/ABC]. I don't have time to learn Perl :\ Thank you in anticipiation!

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  • xDebug : Output traces in php script?

    - by Industrial
    Hi! I have tried to use xDebug on my local Ubuntu environment to speed up development and it's a great asset. However, I would like to see the output of the Trace function directly in the browser, at the end of the script. How can this be done?

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