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How to model type-safe enum types?

...to get something most closely resembling a Java Enum (i.e. with sensible toString and valueOf methods -- perhaps you are persisting the enum values to a database) you need to modify it a bit. If you had used skaffman's code: WeekDay.valueOf("Sun") //returns None WeekDay.Tue.toString //returns We...
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How do I remove all specific characters at the end of a string in PHP?

... $output = rtrim($string, '.'); (Reference: rtrim on PHP.net) share | improve this answer | follow |...
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JavaScript data formatting/pretty printer

...operty in obj) { var value = obj[property]; if (typeof value == 'string') value = "'" + value + "'"; else if (typeof value == 'object') { if (value instanceof Array) { value = "[ " + value + " ]"; } else { var ood = DumpObject(val...
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Android Get Current timestamp?

... The solution is : Long tsLong = System.currentTimeMillis()/1000; String ts = tsLong.toString(); share | improve this answer | follow | ...
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Using union and order by clause in mysql

...organize. But this way has the advantage of being fast, not introducing extra variables, and making it easy to separate out each query including the sort. The ability to add a limit is simply an extra bonus. And of course feel free to turn the union all into a union and add a sort for the whole...
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HttpClient.GetAsync(…) never returns when using await/async

...e Async calls in a Task.Run. So as I understand it, this is going to use 1 extra thread per request and avoids the deadlock. I assume that to be completely compliant, I need to use WebClient's sync methods. That is a lot of work to justify so I'll need a compelling reason not stick with my current a...
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Obfuscated C Code Contest 2006. Please explain sykes2.c

... __TIME__ is a special macro defined by the preprocessor. It expands to a string constant containing the time at which the preprocessor was run, in the form "HH:MM:SS". Observe that it contains exactly 8 characters. Note that 0-9 have ASCII values 48 through 57 and : has ASCII value 58. The output ...
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How to delete or add column in SQLITE?

...lumn(SQLiteDatabase db, ConnectionSource connectionSource, String createTableCmd, String tableName, String[] colsToRemove) throws java.sql.SQLException { List<String> updatedTableColumns = getTableColumns(tableName); // Remove the columns we don't want ...
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How to specify test directory for mocha?

... do the same as above, plus it will only run the test cases where the it() string/definition of a test begins with "Fnord:": mocha --reporter spec --grep "Fnord:" server-test/*.js share | improve ...
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How does push notification technology work on Android?

...hone, used by all apps: installing a new app that uses GCM doesn't add any extra load. The first step in GCM is that a third-party server (such as an email server) sends a request to Google's GCM server. This server then sends the message to your device, through that open connection. The Android sy...