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What are the use(s) for tags in Go?

...n the documentation of reflect.StructTag, by convention the value of a tag string is a space-separated list of key:"value" pairs, for example: type User struct { Name string `json:"name" xml:"name"` } The key usually denotes the package that the subsequent "value" is for, for example json key...
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How to use the toString method in Java?

Can anybody explain to me the concept of the toString() method, defined in the Object class? How is it used, and what is its purpose? ...
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EF Code First “Invalid column name 'Discriminator'” but no inheritance

...as an attribute of the derived class. Example: class Person { public string Name { get; set; } } [NotMapped] class PersonViewModel : Person { public bool UpdateProfile { get; set; } } Now, even if you map the Person class to the Person table on the database, a "Discriminator" column wil...
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How can I read SMS messages from the device programmatically in Android?

...tent://sms/inbox") to read SMS which are in inbox. // public static final String INBOX = "content://sms/inbox"; // public static final String SENT = "content://sms/sent"; // public static final String DRAFT = "content://sms/draft"; Cursor cursor = getContentResolver().query(Uri.parse("content://sms...
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for

...lution for exactly this problem, and adding @ElementCollection(targetClass=String.class) to my simple list of strings solved it. – Angel O'Sphere Jul 26 '19 at 10:50 add a com...
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Why does casting int to invalid enum value NOT throw exception?

...aram> /// <returns></returns> public static T Parse(string enumValue) { var parsedValue = (T)System.Enum.Parse(typeof (T), enumValue); //Require that the parsed value is defined Require.That(parsedValue.IsDefined(), () => new Argumen...
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Merging dictionaries in C#

...a caveat: if the this T me dictionary was declared using new Dictionary<string, T>(StringComparer.InvariantCultureIgnoreCase) or something similar, the resulting dictionary will not retain the same behavior. – João Portela Jan 9 '14 at 14:51 ...
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Representing null in JSON

...son2 = '{"myCount": null}'; var json3 = '{"myCount": 0}'; var json4 = '{"myString": ""}'; var json5 = '{"myString": "null"}'; var json6 = '{"myArray": []}'; console.log(JSON.parse(json1)); // {} console.log(JSON.parse(json2)); // {myCount: null} console.log(JSON.parse(json3)); // {myCount: 0} conso...
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How to trim leading and trailing white spaces of a string?

...hich is the effective way to trim the leading and trailing white spaces of string variable in Go? 7 Answers ...
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Can I define a class name on paragraph using Markdown?

.... But... No, Markdown's syntax can't. You can set ID values with Markdown Extra through. You can use regular HTML if you like, and add the attribute markdown="1" to continue markdown-conversion within the HTML element. This requires Markdown Extra though. <p class='specialParagraph' markdown='...