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How to use php serialize() and unserialize()
...ML.
Take for example this common problem:
How do I pass a PHP array to Javascript?
PHP and Javascript can only communicate via strings. You can pass the string "foo" very easily to Javascript. You can pass the number 1 very easily to Javascript. You can pass the boolean values true and false ea...
What is the difference between Set and List?
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WRONG! A Java set can be ordered, depending on the implementation; for example, a Java TreeSet is ordered. In the context of Java, the only difference between a List and a Set is that the Set contains unique items. In the context of m...
How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
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Comparing arrays in JUnit assertions, concise built-in way?
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but all you get when it fails for different length is java.lang.AssertionError: array lengths differed, expected.length=6 actual.length=7. As most JUnit failure messages it's not so helpful...I advise using some assertion framework
– user1075613
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Java equivalents of C# String.Format() and String.Join()
... a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...evelopers, one can use AutoResetEvents to achieve this and there is also a java implementation for autoresetevents but this is much cleaner. By the way, is ProcessFinish thread safe?
– Syler
Nov 29 '13 at 23:35
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IntelliJ IDEA 13 uses Java 1.5 despite setting to 1.7
...wing error is produced by IntelliJ 13 when trying to compile some simple Java 7 code which does use the diamond operator:
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How to create a memory leak in Java?
I just had an interview, and I was asked to create a memory leak with Java.
Needless to say, I felt pretty dumb having no clue on how to even start creating one.
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Is it possible to make anonymous inner classes in Java static?
In Java, nested classes can be either static or not. If they are static , they do not contain a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes).
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What is a correct mime type for docx, pptx etc?
...ckage+xml", "jad": "text/vnd.sun.j2me.app-descriptor", "jar": "application/java-archive", "class": "application/java-vm", "jnlp": "application/x-java-jnlp-file", "ser": "application/java-serialized-object", "java": "text/x-java-source,java", "js": "application/javascript", "json": "application/json"...