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How to add spacing between UITableViewCell

...Controller, UITableViewDelegate, UITableViewDataSource { // These strings will be the data for the table view cells let animals: [String] = ["Horse", "Cow", "Camel", "Sheep", "Goat"] let cellReuseIdentifier = "cell" let cellSpacingHeight: CGFloat = 5 @IBOutlet var ...
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When creating a service with sc.exe how to pass in context parameters?

...ss: class MyService : ServiceBase { protected override void OnStart(string[] args) { } } I regis
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Java: Date from unix timestamp

... Instant instant = Instant.ofEpochSecond( 1_280_512_800L ); instant.toString(): 2010-07-30T18:00:00Z See that code run live at IdeOne.com. Asia/Kabul or Asia/Tehran time zones ? You reported getting a time-of-day value of 22:30 instead of the 18:00 seen here. I suspect your PHP utility is...
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Case objects vs Enumerations in Scala

... that Enumerations come with support for instantiating them from some name String. For example: object Currency extends Enumeration { val GBP = Value("GBP") val EUR = Value("EUR") //etc. } Then you can do: val ccy = Currency.withName("EUR") This is useful when wishing to persist enumeration...
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How does Stack Overflow generate its SEO-friendly URLs?

...uted /// by John Gietzen (user otac0n) /// </summary> public static string URLFriendly(string title) { if (title == null) return ""; const int maxlen = 80; int len = title.Length; bool prevdash = false; var sb = new StringBuilder(len); char c; for (int i = 0; i &...
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How to print the full traceback without halting the program?

..._error RuntimeError: something bad happened! Or perhaps you just want the string, in which case, you'll want the traceback.format_exc function instead: try: do_something_that_might_error() except Exception as error: logger.debug(traceback.format_exc()) Which logs: DEBUG:__main__:Traceback ...
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Getting distance between two points based on latitude/longitude

...nit.MILES) >> 243.71201856934454 # in miles # you can also use the string abbreviation for units: haversine(lyon, paris, unit='mi') >> 243.71201856934454 # in miles haversine(lyon, paris, unit=Unit.NAUTICAL_MILES) >> 211.78037755311516 # in nautical miles They claim to have ...
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Return all enumerables with yield return at once; without looping through

...numeration, making it possible to do things like... public IEnumerable<string> ConcatLists(params IEnumerable<string>[] lists) { foreach (IEnumerable<string> list in lists) { foreach (string s in list) { yield return s; } } } ...
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Accessing an SQLite Database in Swift

...autoincrement, name text)", nil, nil, nil) != SQLITE_OK { let errmsg = String(cString: sqlite3_errmsg(db)!) print("error creating table: \(errmsg)") } Use sqlite3_prepare_v2 to prepare SQL with ? placeholder to which we'll bind value. var statement: OpaquePointer? if sqlite3_prepare_v2(db...
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PHP Redirect with POST data

... /** * Redirect with POST data. * * @param string $url URL. * @param array $post_data POST data. Example: array('foo' => 'var', 'id' => 123) * @param array $headers Optional. Extra headers to send. */ public function redirect_post($url, array $data, array $he...