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PHP code is not being executed, instead code shows on the page

...guration, here are a few things you can check: Make sure that PHP is installed and running correctly. This may sound silly, but you never know. An easy way to check is to run php -v from a command line and see if returns version information or any errors. Make sure that the PHP module is listed an...
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Difference between local and global indexes in DynamoDB

...ndary index is considered "global" because queries on the index can span all of the data in a table, across all partitions. Local secondary index — an index that has the same hash key as the table, but a different range key. A local secondary index is "local" in the sense that every p...
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What is the difference between buffer and cache memory in Linux?

...ed (thus the total page cache size is Cached + SwapCached). Linux performs all file I/O through the page cache. Writes are implemented as simply marking as dirty the corresponding pages in the page cache; the flusher threads then periodically write back to disk any dirty pages. Reads are implemented...
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Set up adb on Mac OS X

... it up might be useful to some people. adb is the command line tool to install and run android apps on your phone/emulator ...
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Is it .yaml or .yml?

...ruling as you can get, but the habit of 8.3 is hard to get out of (and, appallingly, still occasionally relevant in 2013). share | improve this answer | follow ...
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Twitter Bootstrap - Tabs - URL doesn't change

... I don't think any of the comments here, nor the accepted answer, handle all of these scenarios. As there's quite a bit involved, I think it's neatest as a small jQuery plugin: https://github.com/aidanlister/jquery-stickytabs You can call the plugin like so: $('.nav-tabs').stickyTabs(); I've ...
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Rails: create on has_one association

... First of all, here is how to do what you want: @user = current_user @shop = Shop.create(params[:shop]) @user.shop = @shop Now here's why your version did not work: You probably thought that this might work because if User had a ha...
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is there a post render callback for Angular JS directive?

...s not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript. – parliament ...
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SQL DROP TABLE foreign key constraint

If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first? ...
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Collection was modified; enumeration operation may not execute

... Is that a complete example? I have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int...