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What does upstream mean in nginx?

... @OlivierPons maybe your config is /etc/nginx/conf.d/default.conf that is included in /etc/nginx/nginx.conf, which HAS http {} – srghma Mar 15 '18 at 19:47 ...
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Why is @autoreleasepool still needed with ARC?

...ed that Objective-C's memory administration (all the retains and releases, etc.) can be fully automatized at compile time. This is, just by reading the code, even before it is run! :) In order to do so there is only one condition: We MUST follow the rules, otherwise the compiler would not be able t...
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Get the current script file name

...ur url using different filers, like mysql_real_escape_string, stripslashes etc.. – Khandad Niazi Jan 29 '14 at 15:43 ...
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PHP “php://input” vs $_POST

...still there, you just can't access it through the wrapper. So you need to fetch it yourself in raw format with file_get_contents('php://input') (as long as it's not multipart/form-data-encoded). This is also how you would access XML-data or any other non-standard content type. ...
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Using Emacs to recursively find and replace in text files not already open

...eplace-regexp: SPACE to replace and move to next match, n to skip a match, etc. Press C-x s to save buffers. (You can then press y, n or ! to save all at once) share | improve this answer ...
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How can I validate a string to only allow alphanumeric characters in it?

...r digits, or for things that look like numbers (fractions, Roman numerals, etc.; see msdn.microsoft.com/en-us/library/yk2b3t2y.aspx). Given that, and if one was feeling particularly evil, one could compress the contents of IsAlphaNum even further: return string.IsNullOrEmpty(str) ? false : str.ToCh...
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How to simulate Android killing my process

... is in the background and the OS decides it needs the resources (RAM, CPU, etc.). I need to be able to simulate this behaviour during testing so that I can ensure that my application is behaving correctly. I want to be able to do this in an automated way so that I can test if the application behaves...
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Compiler error: memset was not declared in this scope

...per equivalent C++ headers, <cstring>/<cstdio>/<cstdlib>/etc, rather than C's <string.h>/<stdio.h>/<stdlib.h>/etc. share | improve this answer | ...
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In HTML5, should the main navigation be inside or outside the element?

...site that has different sites (presentation site, service site, auth site, etc...), they all have different structure. What I'm doing is placing that link inside the <nav> element but not inside the <ul> element, styling it in a way that's not part of the main navigation list. With the e...
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Extracting bits with a single multiplication

...bits that meet the (n-m) criterion, but also the ones that are at (n-m+1), etc. Let's call their number Q0 (exactly n-m to next bit), Q1 (n-m+1), up to Q(N-1) (n-1). Then we risk carry if Q0 > 1 Q0 == 1 && Q1 >= 2 Q0 == 0 && Q1 >= 4 Q0 == 1 && Q1 > 1 && Q...