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How to test equality of Swift enums with associated values

...{ case Name(String) case Number(Int) } let t1 = SimpleToken.Number(123) let t2 = SimpleToken.Number(123) Before Swift 4.1 As others have noted, Swift doesn't synthesize the necessary equality operators automatically. Let me propose a cleaner (IMHO) implementation, though: enum SimpleToke...
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How do you Encrypt and Decrypt a PHP String?

...xample I want to pass a GET parameter from page to page, let's say prod_id=123 but I just do not want to make 123 readable for everybody, however even if they could read it, it won't be a problem. An attacker being able to replace the 123 to a custom value won't cause any harm, he/she will only be a...
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How can I programmatically determine if my app is running in the iphone simulator?

...r "Compiling source code conditionally" The relevant definition is TARGET_OS_SIMULATOR, which is defined in /usr/include/TargetConditionals.h within the iOS framework. On earlier versions of the toolchain, you had to write: #include "TargetConditionals.h" but this is no longer necessary on the c...
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How to read a file in reverse order?

... Also, while the posted code does answer the question, we should be careful to close files that we open. The with statement is usually quite painless. – William Mar 7 '13 at 14:41 ...
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What exactly is Python's file.flush() doing?

...t has been "permanently" stored on disk. To do that, you need to call the os.fsync method which ensures all operating system buffers are synchronized with the storage devices they're for, in other words, that method will copy data from the operating system buffers to the disk. Typically you don't ...
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?

I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround? ...
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Can a CSV file have a comment?

... I have more often seen and used: #Csv/Version 1.9 Time,ValueA,ValueB 0.0, 123, 456 0.1, 123, 349 – Crog Aug 25 at 8:31 add a comment  |  ...
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]

...e application: C + TCL. You don't need Ruby at all. To install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy. MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it. If you are a PHP developer you can ins...
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Liquibase lock - reasons?

...he liquibase-scripts the lock was held. <changeSet author="user" id="123"> <preConditions onFail="CONTINUE"> <not><sequenceExists sequenceName="SEQUENCE_NAME_SEQ" /></not> </preConditions> <createSequence sequenceName="SEQUENCE_NAME_SEQ"/&g...
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Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?

... the same as a shaking hand. With random movement the pointer can drift across the screen. With a shaking hand the pointer is going to vibrate around a central point. – zzzzBov Aug 12 '14 at 14:53 ...