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Returning JSON from a PHP Script

... While you're usually fine without it, you can and should set the Content-Type header: <?php $data = /** whatever you're serializing **/; header('Content-Type: application/json'); echo json_encode($data); If I'm not using a particular fra...
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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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What is stdClass in PHP?

... class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out). It is useful for anonymous objects, dynamic properties, etc. An easy way to consider the StdClass is as an alternative to associative array. See thi...
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MySQL: selecting rows where a column is null

... NULL = NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute. – Konerak Jan 12 '11 at 19:50 ...
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Managing CSS Explosion

...been heavily relying on CSS for a website that I am working on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes. ...
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How to access test resources in Scala?

...le methods that Java provides. Given your example of data.xml being in $SBT_PROJECT_HOME/src/test/resources/, you can access it in a test like so: import scala.io.Source // The string argument given to getResource is a path relative to // the resources directory. val source = Source.fromURL(getCla...
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Sending files using POST with HttpURLConnection

...one can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just want to have a reliable and logic implementation. All the examples that I've see...
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Save ArrayList to SharedPreferences

...Set the values Set<String> set = new HashSet<String>(); set.addAll(listOfExistingScores); scoreEditor.putStringSet("key", set); scoreEditor.commit(); You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution: EDIT: Ok, below is the sol...
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Most lightweight way to create a random string and a random hexadecimal number

...165037870407104 9.0292739868164062 5.2836320400238037 t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting. share | impr...
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Find and copy files

... find -iname '*.mp3' -mtime -1 -exec cp {} /home/my_path/ \; is there anything wrong with this command ? it's not working – mrid Feb 20 '18 at 5:13 2 ...