Why fork() before setsid()

Why fork() before setsid() to daemonize a process? Basically, if I want to detach a proce开发者_如何学JAVAss from its controlling terminal and make it a process group leader : I use setsid().

How can I display PHP source code on Linux or similar?

I am trying to do system("cat variables.php&q开发者_StackOverflow社区uot;); from a PHP script, but it doesn\'t write anything.

What technologies/tools do people use to implement live websites?

I have the following situation: -I have a server A hooked up to a piece of hardware that sends values and information out of every second. Programs on the server machine can read these values. This s

Hiding the Command Console from a MFC dialog application

I have a MFC dialog based application in which I use ::system() function to physically open a text file. When I do it the co开发者_如何学JAVAmmand console also opens. How can I hide the command consol

How do I suppress the "notify Microsoft" crash dialogs when I call a command from Perl?

I am calling a command-line program from my Perl script. When these programs crash, I am prompted with a messagebox asking me if I want to notify Microsoft. Since this is an automated system it would

PHP exec() and system() functions always return false in IIS

I\'m trying to use the PHP exec() or system() (or any other similar function) to run a batch file, but I can\'t seem to get these to return anything.

How can I terminate a system command with alarm in Perl?

I am running the below code snippet on Windows. The server starts listening continuously after reading fromcl开发者_如何学运维ient. I want to terminate this command after a time period.

How to execute a binary file in memory in Ruby

Is it possible to read binary in a Ruby file and ex开发者_运维问答ecute it directly in memory?

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how to detect operating system language (locale) from java code

What is the correct way of knowing operating system language (locale) from java code? I have tried Locale.getDefault()