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Deleting all files from a folder using PHP?

...mp/*'); // get all file names foreach($files as $file){ // iterate files if(is_file($file)) unlink($file); // delete file } If you want to remove 'hidden' files like .htaccess, you have to use $files = glob('path/to/temp/{,.}*', GLOB_BRACE); ...
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How come an array's address is equal to its value in C?

In the following bit of code, pointer values and pointer addresses differ as expected. 6 Answers ...
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How to recursively find the latest modified file in a directory?

...might be hard for sort to keep everything in memory. %T@ gives you the modification time like a unix timestamp, sort -n sorts numerically, tail -1 takes the last line (highest timestamp), cut -f2 -d" " cuts away the first field (the timestamp) from the output. Edit: Just as -printf is probably GNU...
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?

...y starts a new reduce task, when the next key in the sorted input data is different than the previous, to put it simply. Each reduce task takes a list of key-value pairs, but it has to call the reduce() method which takes a key-list(value) input, so it has to group values by key. It's easy to do so,...
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ASP.Net MVC: How to display a byte array image from model

...Base64String(Model.ByteArray); var imgSrc = String.Format("data:image/gif;base64,{0}", base64); } <img src="@imgSrc" /> As mentioned in the comments below, please use the above armed with the knowledge that although this may answer your question it may not solve your problem. Depending ...
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Split string every nth character?

...ve answer is really only just a for loop but expressed pythonically. Also, if you need to remember a "simplistic" answer, there are at least hundreds of thousands of ways to remember them: starring the page on stackoverflow; copying and then pasting into an email; keeping a "helpful" file with stuff...
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CreateElement with id?

I'm trying to modify this code to also give this div item an ID, however I have not found anything on google, and idName does not work. I read something about append , however it seems pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks :) ...
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Get the value of checked checkbox?

...ByClassName('messageCheckbox'); for(var i=0; inputElements[i]; ++i){ if(inputElements[i].checked){ checkedValue = inputElements[i].value; break; } } share | improv...
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How to grab substring before a specified character jQuery or JavaScript

... This will not work if the string being searched does not contain an instance of the search character. It will return an empty string. – David G Aug 20 '15 at 19:48 ...
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Undo scaffolding in Rails

... First, if you have already run the migrations generated by the scaffold command, you have to perform a rollback first. rake db:rollback You can create scaffolding using: rails generate scaffold MyFoo (or similar), and you can...