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@selector() in Swift?

...unction has no parameters, the only way to disambiguate it is to use an as cast with the function's type signature (e.g. foo as () -> () vs foo(_:)). There's a special syntax for property getter/setter pairs in Swift 3.0+. For example, given a var foo: Int, you can use #selector(getter: MyClass.f...
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PHP - Merging two arrays into one array (also Remove Duplicates)

...hird argument. If it is not a string, or the contents cannot be implicitly cast to a string, you will need the SORT_REGULAR argument. – David Baucum Aug 19 '16 at 19:33 ...
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DateTime format to SQL format using C#

... Yeah, on the official page CAST and CONVERT (Transact-SQL), they use the name "ODBC canonical" for the form with a space separating yyyy-MM-dd from the time of day, and the name "ISO8601" for the form where the separating character is a T. But yes, bot...
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How to convert a string to integer in C?

... @chux thanks! Can you explain a bit more why the (unsigned char) cast could make a difference? – Ciro Santilli 郝海东冠状病六四事件法轮功 May 30 '16 at 13:00 ...
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How to avoid “RuntimeError: dictionary changed size during iteration” error?

...ot iterate through a dictionary while its changing during for loop. Make a casting to list and iterate over that list, it works for me. for key in list(d): if not d[key]: d.pop(key) share ...
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How to get the Display Name Attribute of an Enum member via MVC razor code?

...ctListItem>(); foreach (MyEnum MyEnum in Enum.GetValues(typeof(MyEnum)).Cast<MyEnum>().Where(x => x != MyEnum.Default)) { MySelectListItem.Add(new SelectListItem() { Text = MyEnum.GetDisplayName(), Value = ((int)MyEnum).ToString() }); } – Hopper Ju...
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Java client certificates over HTTPS/SSL

...contains the client certificate and client private key, created with BouncyCastle: public static byte[] convertPEMToPKCS12(final String keyFile, final String cerFile, final String password) throws IOException, CertificateException, KeyStoreException, NoSuchAlgorithmException, NoSuchProv...
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R - Concatenate two dataframes?

... Nice. I just wanted to post the same answer :-) . One improvement: @Anton casted the NA to double in his answer. It would be nice when the type of the new column was the same type as the existing column in the other data frame. Maybe via mode(d2[d2.add[i]]) <- mode(d1[d2.add[i]]). But I am not s...
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Create a list from two object lists with linq

...eturns> public override bool Equals(object obj) { // Try to cast the object to compare to to be a Person var person = obj as Person; return Equals(person); } /// <summary> /// Returns an identifier for this instance /// </summary> public override int GetHashCode(...
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Gets byte array from a ByteBuffer in java

...gned integers, only signed ones. If you want "unsigned bytes", you need to cast as int and use a bitmask: int unsigned_byte = b[k] & 0xff; for some value of k. – Jason S Apr 15 '17 at 2:13 ...