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CORS Access-Control-Allow-Headers wildcard being ignored?

...d-By, X-Requested-With .htaccess Example (CORS Included): <IfModule mod_headers.c> Header unset Connection Header unset Time-Zone Header unset Keep-Alive Header unset Access-Control-Allow-Origin Header unset Access-Control-Allow-Headers Header unset Access-Control-Expose-Headers ...
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jekyll markdown internal links

...ou can now post internal links by using the following: [Some Link]({% post_url 2010-07-21-name-of-post %}) This is also referenced in the Jekyll Documentation. https://github.com/mojombo/jekyll/pull/369 share | ...
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Coalesce function for PHP?

...ay element is falsey will result in an error. $input['properties']['range_low'] ?: '?' – Keyo Jul 12 '11 at 23:28 ...
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How do I dump an object's fields to the console?

...well, but it can be really useful when debugging. Ruby will fall back to to_s if it can't find an inspect` method. – the Tin Man Nov 27 '10 at 21:45 ...
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Representing and solving a maze given an image

...d image directly. Here is the MATLAB code for BFS: function path = solve_maze(img_file) %% Init data img = imread(img_file); img = rgb2gray(img); maze = img > 0; start = [985 398]; finish = [26 399]; %% Init BFS n = numel(maze); Q = zeros(n, 2); M = zeros([size(maze) 2]); ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...
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How can I find and run the keytool

...n by myself as below quote. It works fine. "C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias > sociallisting -keystore "D:\keystore\SocialListing" | > "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe" > base64 ...
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Should I use alias or alias_method?

I found a blog post on alias vs. alias_method . As shown in the example given in that blog post, I simply want to alias a method to another within the same class. Which should I use? I always see alias used, but someone told me alias_method is better. ...
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Create a “with” block on several context managers? [duplicate]

...nd 3.1 and above, you can write: with A() as X, B() as Y, C() as Z: do_something() This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods. In Python 3.3, you can enter an unknown-length list of context manage...
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Get the first key name of a javascript object [duplicate]

... If you decide to use Underscore.js you better do _.values(ahash)[0] to get value, or _.keys(ahash)[0] to get key. share | improve this answer | ...