zas | Access MYSQL database with other sql languages | SQL Database library
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kandi X-RAY | zas Summary
Access MYSQL database with other sql languages(for example, ORACLE's sql)
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QUESTION
I am trying to create a shipping state filter dropdown on WooCommerce admin orders list
First I have added a custom column for shipping state to admin orders list:
...ANSWER
Answered 2020-Jun-18 at 15:12There are some mistakes, complications and missing things in your code.
The following will display a functional dropdown filter based on the shipping state location on admin order list (based on shipping settings allowed countries/states):
QUESTION
I'm trying to understand what is wrong here.
...ANSWER
Answered 2020-Aug-01 at 14:38strarr is an array of pointers to char, but string is not an array of pointers but an array of 14-element array of chars.
Pointers and 14-element array of chars may have different size, so your code won't work well.
How about using array of pointers like this?
QUESTION
I got 50 JSON files. (1.json, 2.json ... 50.json). The structure for each one is:
...ANSWER
Answered 2020-Jul-05 at 16:35Use the fetch API and the power of promises:
QUESTION
Task:
You are given an array strarr of strings and an integer k. Your task is to return the first longest string consisting of k consecutive strings taken in the array.
Example:
...ANSWER
Answered 2020-Mar-18 at 09:05The problem lays in the two calls to malloc(sizeof(strarr)). The variable strarr is a pointer to a string, not the string itself which has not been allocated. The size of strarr is just sufficient to contain one address, or few characters, but normally not an entire string. So you are using a random part of the memory for storing the end of your string.
If you maintain your code more or less as it is, you will need to know how long the resulting longest string will be for allocating it with malloc(sizeof(char) * max_length_returned).
QUESTION
I've been trying to find out how to make sequelize work with 'async' and 'await'. The best information I could find on that topic was an answer in this thread: Node.js 7 how to use sequelize transaction with async / await?
But I can't quite make it work in my project. I've been cutting out parts of code to make it simpler so I can work out what exactly is not right and ended up with something like this:
...ANSWER
Answered 2018-Jun-18 at 15:15You can only use await inside an async function, not at the top level. There's a proposal to support top-level await, but that is not currently supported in JS. Do this instead:
QUESTION
I have a map composed by a key (type string) and data (type tuple). I tried to sort my map using a lambda (see code below) but when I compile I got error saying
Severity Code Description Project File Line Suppression State Error C2676 binary '-': 'const std::_Tree_unchecked_iterator>>>' does not define this operator or a conversion to a type acceptable to the predefined operator with [ _Kty=std::string, _Ty=std::tuple ] SandBox C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\include\algorithm 3466
Severity Code Description Project File Line Suppression State Error C2672 '_Sort_unchecked': no matching overloaded function found SandBox C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\include\algorithm 3466
My Code:
...ANSWER
Answered 2019-Nov-10 at 16:11Your error is that std::sort requires a random access iterator but the iterator of a std::map is a bidirectional iterator. You will see that operator-() is not defined for a bidrectional iterators
see type requirements here.
Further to this, what you are doing seems odd. It looks like you are trying to sort a map based on the first element of its value. A map is implicitly sorted using (by default) std::less on the key type. If you want to sort in a different order you should use a custom comparator on the map.
QUESTION
I have a list with random strings, as the one below:
...ANSWER
Answered 2019-Sep-03 at 23:18dict keys must be unique, a better alternative solution to your problem is storing lengths as keys (as you did before) and lists of strings with that length as values, you can do this using itertools.groupby (which requires that the data be sorted by the criteria it will be grouped by):
QUESTION
I want to be able to use reflection to get a member of a class that is, say, of type IList and I want to create a delegate for it so that I pay less for reflection. All of this so that late on, I am able to call the delegate by passing in my instance and a new List. C# is giving me invalid cast exceptions whenever I try this. Am I missing something silly with generics?
I have tried using interface fields with no generics and those seem to work just fine. I only seem to encounter the issue when using generics. I also tried to use Convert.ChangeType to convert my input to the desired type and I get errors about List<> not implementing IConvertible. If I can set a value of type IList<> from a concrete List<> using reflection, I will be happy :)
...ANSWER
Answered 2019-Feb-12 at 06:42Your lambda call is wrong. You have to call the Invoke method on the lambda object passing the target aswell as the arguments.
If you fix the call you get the desired result:
QUESTION
I have a strange error when using Array.map() method. Why does arrayElementLength=strarr[index+1].length throws an error that its undefined (even though it works)
...ANSWER
Answered 2019-Feb-02 at 13:24When you reach to the last index of strArr than with index+1 you're trying to access index which is not present in array, and this is cause of the this error strarr[(index + 1)] is undefined
QUESTION
I have to update a column according to an existing column. The column to be updated is the Business. The existing column is the Deparment. Not all departments have the colon (:)
This is what I need to get:
Table 1
Business Department
...ANSWER
Answered 2018-Aug-27 at 08:32UPDATE [Table 1]
set business=
case when patindex('%:%',Department)>0 then left(Department,patindex('%:%',Department)-1)
else Department
end;
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