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How can I check if a URL exists via PHP?

... Here: $file = 'http://www.example.com/somefile.jpg'; $file_headers = @get_headers($file); if(!$file_headers || $file_headers[0] == 'HTTP/1.1 404 Not Found') { $exists = false; } else { $exists = true; } From here and right below the above post, there...
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Why can't variables be declared in a switch statement?

... Case statements are only labels. This means the compiler will interpret this as a jump directly to the label. In C++, the problem here is one of scope. Your curly brackets define the scope as everything inside the switch statement. This means that you are left with a scope...
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How do I change the root directory of an apache server? [closed]

...ge the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www . ...
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to

... answered Apr 28 '14 at 2:22 Dee'KejDee'Kej 95088 silver badges88 bronze badges ...
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Passing data between controllers in Angular JS?

...this case? – atoth Feb 25 '16 at 15:28  |  show 9 more comments ...
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Why use bzero over memset?

...ltrace ./test123): long m[] = {0}; // generates a call to memset(0x7fffefa28238, '\0', 8) int* p; bzero(&p, 4); // generates a call to memset(0x7fffefa28230, '\0', 4) I've been told that unless I am working in the deep bowels of libc or any number of kernel/syscall interface, I don't have t...
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How can one pull the (private) data of one's own Android app?

...ill write an Android-specific archive: adb backup -f myAndroidBackup.ab com.corp.appName This archive can be converted to tar format using: dd if=myAndroidBackup.ab bs=4K iflag=skip_bytes skip=24 | openssl zlib -d > myAndroidBackup.tar Reference: http://nelenkov.blogspot.ca/2012/06/unpac...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

...rol-Allow-Origin header” problems section of the answer at stackoverflow.com/a/43881141/441757 – sideshowbarker Aug 20 at 1:06 add a comment  |  ...
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Is there a way to cache GitHub credentials for pushing commits?

...ntial helpers. (Thanks to dazonic for pointing out this new feature in the comments below.) With Git 1.7.9 or later, you can just use one of the following credential helpers: git config --global credential.helper cache ... which tells Git to keep your password cached in memory for (by default) 1...
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force browsers to get latest js and css files in asp.net application

...r sharing! – Bryan Apr 30 '15 at 15:28 Should there be any reason to be concerned about displaying the last modified d...