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Update multiple rows in same query using PostgreSQL
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You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
wher...
One-liner to take some properties from object in ES 6
... general. Here is a more idiomatic version of it which uses Object.assign, and computed properties (the [p] part):
function pick(o, ...props) {
return Object.assign({}, ...props.map(prop => ({[prop]: o[prop]})));
}
If we want to preserve the properties' attributes, such as configurable and...
What does “&” at the end of a linux command mean?
I am a system administrator and I have been asked to run a linux script to clean the system.
4 Answers
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C Macro definition to determine big endian or little endian machine?
... edited Mar 29 '18 at 22:02
Alexander Stohr
1171010 bronze badges
answered Jan 20 '10 at 16:39
ChristophChrist...
How do I return NotFound() IHttpActionResult with an error message or exception?
...bApi GET action. Along with this response, I want to send a custom message and/or the exception message (if any). The current ApiController 's NotFound() method does not provide an overload to pass a message.
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Python - Passing a function into another function
I am solving a puzzle using python and depending on which puzzle I am solving I will have to use a special set of rules. How can I pass a function into another function in Python?
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How do I convert a NSString into a std::string?
I have an NSString object and want to convert it into a std::string .
3 Answers
3
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PHP Multidimensional Array Searching (Find key by specific value)
I have this multidimensional array. I need to search it and return only the key that matches the value of the "slug". I know there are other threads about searching multidimensional arrays, but I'm not really understanding enough to apply to my situation. Thanks very much for any help!
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How can I perform a `git pull` without re-entering my SSH password?
...vous? rest assured: vast majority of folks here are quite well mannered... and those who aren't, well, they have bigger problems than me :)
– jldupont
Jun 7 '11 at 13:37
2
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Is Enabling Double Escaping Dangerous?
...ath.
Finally, a very simple, if limited workaround is simply to avoid '+' and use '%20' instead. In any case, using the '+' symbol to encode a space is not valid url encoding, but specific to a limited set of protocols and probably widely supported for backwards-compatibility reasons. If only for...