大约有 7,000 项符合查询结果（耗时：0.0257秒） [XML]
Difference between Hive internal tables and external tables?
...r node it uses to keep track of state.
For instance, when you CREATE TABLE FOO(foo string) LOCATION 'hdfs://tmp/';, this table schema is stored in the database.
If you have a partitioned table, the partitions are stored in the database(this allows hive to use lists of partitions without going to th...
Why use def main()? [duplicate]
...
if the content of foo.py
print __name__
if __name__ == '__main__':
print 'XXXX'
A file foo.py can be used in two ways.
imported in another file : import foo
In this case __name__ is foo, the code section does not get execute...
Declare multiple module.exports in Node.js
...
module.js:
const foo = function(<params>) { ... }
const bar = function(<params>) { ... }
//export modules
module.exports = {
foo,
bar
}
main.js:
// import modules
var { foo, bar } = require('module');
// pass your p...
How to pass the value of a variable to the stdin of a command?
...
But why? Also, I can't reproduce any problems: foo1=-; foo2='"'; foo3=\!; cat<<<"$foo1"; cat<<<"$foo2"; cat<<<"$foo3" works fine for me. What exactly do the three " do? AFAIK you are just prepending and appending an empty string.
...
Will using 'var' affect performance?
...used an exact type. For example, if you have this method:
IList<int> Foo()
{
return Enumerable.Range(0,10).ToList();
}
Consider these three lines of code to call the method:
List<int> bar1 = Foo();
IList<int> bar = Foo();
var bar3 = Foo();
All three compile and execute as exp...
Is it possible to use getters/setters in interface definition?
... to define a get value on an interface, you can use readonly:
interface Foo {
readonly value: number;
}
let foo: Foo = { value: 10 };
foo.value = 20; //error
class Bar implements Foo {
get value() {
return 10;
}
}
but as far as I'm aware, and as others mentioned, there is no way cu...
How to create enum like type in TypeScript?
...lor);
console.log(Color[this.myColor]);
}
}
}
var foo = new myModule.MyClass();
This will log:
undefined
2
Blue
Because, at the time of writing this, the Typescript Playground will generate this code:
var myModule;
(function (myModule) {
(function (Color)...
How can I specify a local gem in my Gemfile?
...
I believe you can do this:
gem "foo", path: "/path/to/foo"
share
|
improve this answer
|
follow
|
...
In JavaScript, is returning out of a switch statement considered a better practice than using break?
...at within if/else statements it is best practice to do the following:
var foo = "bar";
if(foo == "bar") {
return 0;
}
else {
return 100;
}
Based on this, the argument could be made that option one is better practice.
In short, there's no clear answer, so as long as your code adheres to ...
Understanding the difference between __getattr__ and __getattribute__
... @Md.AbuNafeeIbnaZahid getattr is a built-in function. getattr(foo, 'bar') is equivalent to foo.bar.
– wizzwizz4
Jul 3 '18 at 18:11
...