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Difference between dict.clear() and assigning {} in Python
... find it to be an unfairly harsh judgement.
– cfwschmidt
Jul 7 '14 at 20:16
1
Also clear() do not...
FormData.append(“key”, “value”) is not working
...me newer browsers, this is no longer true and you can now see the data provided to FormData in addition to just stuffing data into it. See the accepted answer for more info.
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More elegant “ps aux | grep -v grep”
...ack (I think I should call it that, since the aux / grep authors probably did not think of this scenario.)
– Michael Trouw
Apr 12 '16 at 14:12
2
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How to obtain the query string from the current URL with JavaScript?
...w.location.search.
Solution that work in legacy browsers as well
MDN provide an example (no longer available in the above referenced article) of how to the get value of a single key available in the QueryString. Something like this:
function getQueryStringValue (key) {
return decodeURICompone...
Filter element based on .data() key/value
...ease note that this is no longer the only way to do this, StefanoP has provided alternatives
– Nathan Koop
Feb 25 '13 at 20:25
3
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Find nearest latitude/longitude with an SQL query
...fore the decimal, e.g. -123.456789 degrees. Your table should also have an id attribute to serve as the primary key.
CREATE TABLE `markers` (
`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`name` VARCHAR( 60 ) NOT NULL ,
`address` VARCHAR( 80 ) NOT NULL ,
`lat` FLOAT( 10, 6 ) NOT NULL ,
`l...
When should I use require() and when to use define()?
...unction accepts two optional parameters (a string that represent a module ID and an array of required modules) and one required parameter (a factory method).
The return of the factory method MUST return the implementation for your module (in the same way that the Module Pattern does).
The require...
What is the best way to implement “remember me” for a website? [closed]
...the standard session management cookie.
The login cookie contains a series identifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the...
Spring Data JPA - “No Property Found for Type” Exception
... is just a service using the UserBoardRepository.
– Didier L
Apr 9 '19 at 15:48
that's my case! I had no problem befor...
SQL how to increase or decrease one for a int column in one command
.....
To answer the second:
There are several ways to do this. Since you did not specify a database, I will assume MySQL.
INSERT INTO table SET x=1, y=2 ON DUPLICATE KEY UPDATE x=x+1, y=y+2
REPLACE INTO table SET x=1, y=2
They both can handle your question. However, the first syntax allows for...