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What are JavaScript's builtin strings?
..., Infinity, true, false, and "[object Object]". Some of them can be easily converted to strings, e.g. 1/!1+[] gives "Infinity".
I have analyzed different build-in methods for arrays [], objects {}, regular expressions /(?:)/, numbers 1.1, strings "1", and discovered one beautiful method of RegExp ob...
There can be only one auto column
... added primary key as below it started working:
CREATE TABLE book (
id INT AUTO_INCREMENT NOT NULL,
accepted_terms BIT(1) NOT NULL,
accepted_privacy BIT(1) NOT NULL,
primary key (id)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
...
What and When to use Tuple? [duplicate]
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A tuple allows you to combine multiple values of possibly different types into a single object without having to create a custom class. This can be useful if you want to write a method that for example returns three related values but you don't want to create a new class.
Usually though you should...
How can I iterate over an enum?
...cal way is as follows:
enum Foo {
One,
Two,
Three,
Last
};
for ( int fooInt = One; fooInt != Last; fooInt++ )
{
Foo foo = static_cast<Foo>(fooInt);
// ...
}
Please note, the enum Last is meant to be skipped by the iteration. Utilizing this "fake" Last enum, you don't have to ...
What's the use of Jade or Handlebars when writing AngularJs apps
...e is completely unrealistic. taking the source of the page I'm viewing now converts 2320 lines to 1580 ( Using html2jade ). Thats more than 700 lines of time wasted for whoever wrote all the stackoverflow templates
– Philipp Gayret
Feb 5 '14 at 18:11
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Different names of JSON property during serialization and deserialization
....setRed((byte) 5);
ObjectMapper mapper = new ObjectMapper();
System.out.println("Serialization: " + mapper.writeValueAsString(c));
Coordinates r = mapper.readValue("{\"red\":25}",Coordinates.class);
System.out.println("Deserialization: " + r.getR());
Result:
Serialization: {"r":5}
Deserializati...
How to implement a queue using two stacks?
...ter science.
Lets imagine our stack like a bottle as below;
If we push integers 1,2,3 respectively, then 3 will be on the top of the stack. Because 1 will be pushed first, then 2 will be put on the top of 1. Lastly, 3 will be put on the top of the stack and latest state of our stack represented ...
Is the primary key automatically indexed in MySQL?
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According to http://dev.mysql.com/doc/refman/5.0/en/constraint-primary-key.html it would appear that this is would be implicit
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When are you truly forced to use UUID as part of the design?
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@Chamnap I wrote UUIDTools. UUIDs can be converted to an integer or their raw byte form, and would be substantially smaller as a binary.
– Bob Aman
Jun 10 '12 at 14:21
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Mysql - How to quit/exit from stored procedure
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Great! You even point out that the END proc_label; syntax (shown in most official MySQL examples) is not needed. (this is a great way to comment out a stored proc without having to scroll to the bottom to put */ in place)
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