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What are my environment variables? [closed]

... I am not sure if thats what you want, but try printenv This will show you all your environment variables. About where they are stored Linux: where are environment variables stored? How to set Shell Environment Variables http://www.codecoffee.com/tipsforlinux/articles/030.html Happy reading :-)...
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Obscure a UITextField password

... Is there a way that I can even hide the character to be displayed at all? I don't want the character to be seen at all. – Maninder Singh Aug 1 '19 at 3:51 ...
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Downloading a large file using curl

... <?php set_time_limit(0); //This is the file where we save the information $fp = fopen (dirname(__FILE__) . '/localfile.tmp', 'w+'); //Here is the file we are downloading, replace spaces with %20 $ch = curl_init(str_replace(" ","%20...
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Replace tabs with spaces in vim

... What this all means, is nicely explained on the Vim wiki. – Serge Stroobandt Dec 11 '16 at 1:43 ...
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How to fix “Headers already sent” error in PHP

...ders must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information - headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id se...
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb

...ysql-python When I did the above, I got the error "EnvironmentError: mysql_config not found" To fix this, I did the below in terminal: export PATH=$PATH:/usr/local/mysql/bin When I reran step 1, I get a new error "error: command 'cc' failed with exit status 1" To fix this, I did the...
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Execute a terminal command from a Cocoa app

...; NSFileHandle *file = pipe.fileHandleForReading; NSTask *task = [[NSTask alloc] init]; task.launchPath = @"/usr/bin/grep"; task.arguments = @[@"foo", @"bar.txt"]; task.standardOutput = pipe; [task launch]; NSData *data = [file readDataToEndOfFile]; [file closeFile]; NSString *grepOutput = [[NSS...
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What are paramorphisms?

...foldr c n xs) para c n [] = n foldr c n [] = n Some people call paramorphisms "primitive recursion" by contrast with catamorphisms (foldr) being "iteration". Where foldr's two parameters are given a recursively computed value for each recursive subobject of the input data (here, that...
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App store link for “rate/review this app”

... Note - the "type=Purple+Software" has to be there and it has to be literally "Purple Software" - it's not the name of your company, it's a codename for iPhone applications :) I wasted an hour before I figured this out... – Kuba Suder Oct 24 '11 at 11:27 ...
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How do you uninstall all dependencies listed in package.json (NPM)?

...I have a package.json file defined in my application root and run npm install -g it will install all the dependencies defined in package.json, globablly. ...