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Add data annotations to a class generated by entity framework
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answered May 24 '13 at 14:22
MUG4NMUG4N
17.3k99 gold badges4747 silver badges7979 bronze badges
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How to write asynchronous functions for Node.js
...back(val);
});
};
The above function when called as
async_function(42, function(val) {
console.log(val)
});
console.log(43);
Will print 42 to the console asynchronously. In particular process.nextTick fires after the current eventloop callstack is empty. That call stack is empty after asy...
How do I convert an interval into a number of hours with postgres?
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321
Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Difference between Visibility.Collapsed and Visibility.Hidden
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edited Aug 29 '17 at 14:41
Deantwo
76977 silver badges1717 bronze badges
answered May 20 ...
Make a URL-encoded POST request using `http.NewRequest(…)`
... resp, _ := client.Do(r)
fmt.Println(resp.Status)
}
resp.Status is 200 OK this way.
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Why in Java 8 split sometimes removes empty strings at start of result array?
...Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList<>();
Matcher m = matcher(input);
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Pairs from single list
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52
My favorite way to do it:
from itertools import izip
def pairwise(t):
it = iter(t)
ret...
SELECT * WHERE NOT EXISTS
...54
soqls
2844 bronze badges
answered May 27 '09 at 13:19
QuassnoiQuassnoi
369k8181 gold...
What is the difference between pluck and collect in Rails?
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231
pluck is on the db level. It will only query the particular field. See this.
When you do:
U...
MySQL: Set user variable from result of query
...ut you need to move the variable assignment into the query:
SET @user := 123456;
SELECT @group := `group` FROM user WHERE user = @user;
SELECT * FROM user WHERE `group` = @group;
Test case:
CREATE TABLE user (`user` int, `group` int);
INSERT INTO user VALUES (123456, 5);
INSERT INTO user VALUES ...