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C: Run a System Command and Get Output? [duplicate]

...ed to run command\n" ); exit(1); } /* Read the output a line at a time - output it. */ while (fgets(path, sizeof(path), fp) != NULL) { printf("%s", path); } /* close */ pclose(fp); return 0; } share...
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Download multiple files as a zip-file using php

...rking example of making ZIPs in PHP: $zip = new ZipArchive(); $zip_name = time().".zip"; // Zip name $zip->open($zip_name, ZipArchive::CREATE); foreach ($files as $file) { echo $path = "uploadpdf/".$file; if(file_exists($path)){ $zip->addFromString(basename($path), file_get_contents($...
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Creating a temporary directory in Windows?

...does return an error when you attempt to create a directory for the second time. Here is what I use: [DllImport(@"kernel32.dll", EntryPoint = "CreateDirectory", SetLastError = true, CharSet = CharSet.Unicode)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool CreateDire...
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Can iterators be reset in Python?

...tor from the start" (very lightweight and low-overhead) can be made at any time with iter(L), and used in part or in whole without affecting new or existing ones; other access patterns are also easily available. As several answers rightly remarked, in the specific case of csv you can also .seek(0) ...
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Visual Studio Editor does not underline errors anymore

... Dude... I just figured this out. That's spooky as hell sometimes. – Maxime Rouiller Dec 18 '15 at 13:58 add a comment  |  ...
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How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution. ...
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Useful GCC flags for C

...e compiler detects that code will never be executed*. Those marked * sometimes give too many spurious warnings, so I use them on as-needed basis. share | improve this answer | ...
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How can I configure the font size for the tree item in the package explorer in Eclipse?

...ern versions of eclipse. It must have been a great answer at some point in time, but this site is not a good fit for evolving Q&A for new versions of software. See other answers below, they vary a bit by OS flavor! – matanster Feb 3 '15 at 16:17 ...
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What do people find difficult about C pointers? [closed]

...r)); In six months, when I have to maintain this code, I will spend more time trying to figure out what all this means than rewriting from the ground up. (yeah, probably got that syntax wrong -- it's been a while since I've done anything in C. I kinda miss it, but then I'm a bit of a massochist) ...
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Return a value if no rows are found in Microsoft tSQL

Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records. ...