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How to subtract X days from a date using Java calendar?

...ck out DateTimeFormat. It will allow you to convert DateTime instances to strings using arbitrary formats. It's very similar to the java.text.DateFormat class. – Mike Deck Feb 28 '12 at 15:40 ...
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Exception.Message vs Exception.ToString()

...wever, I read an article which states that it's better to use Exception.ToString() . With the latter, you retain more crucial information about the error. ...
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Difference between . and : in Lua

...tax is used for defining methods, that is, functions that have an implicit extra parameter self." (5.0 manual, bottom of pdf page 19) – BMitch Feb 6 '11 at 3:24 2 ...
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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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Can an enum class be converted to the underlying type?

...t16_t /*v*/) { std::cout << "uint16_t!\n"; } int main(int argc, char* argv[]) { SomeEnum e = B; write(util::underlying_cast(e)); return 0; } share | improve this answer ...
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What is the direction of stack growth in most modern systems?

...adaptable to C) stack.cc: static int find_stack_direction () { static char *addr = 0; auto char dummy; if (addr == 0) { addr = &dummy; return find_stack_direction (); } else { return ((&dummy > addr) ? 1 : -1); } } ...
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How can I pass a parameter to a Java Thread?

...f a Runnable or Thread class class MyThread extends Thread { private String to; public MyThread(String to) { this.to = to; } @Override public void run() { System.out.println("hello " + to); } } public static void main(String[] args) { new MyThread("wo...
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how to exclude null values in array_agg like in string_agg using postgres?

...s g GROUP BY g.id ) s Or, simpler and may be cheaper, using array_to_string which eliminates nulls: SELECT g.id, array_to_string( array_agg(CASE WHEN g.canonical = 'Y' THEN g.users ELSE NULL END) , ',' ) canonical_users, array_to_string( array_agg(CASE ...
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How can I explode and trim whitespace?

For example, I would like to create an array from the elements in this string: 11 Answers ...
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?

... is condition. Exec [dbo].[INS] 'Dbo.test where name =''neeraj''' * for string (2) Here dbo is schema and test is tablename and name='neeraj' is condition. Here is the stored procedure /* Authore : neeraj prasad sharma (please dont remove this :)) Example (1) Exec [dbo].[INS] 'Dbo.test where...