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Testing javascript with Mocha - how can I use console.log to debug a test?
...re testing asynchronous code, you need to make sure to place done() in the callback of that asynchronous code. I had that issue when testing http requests to a REST API.
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How do I get a distinct, ordered list of names from a DataTable using LINQ?
...lumn. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
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Are nested span tags OK in XHTML?
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Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www....
MySQL - How to select data by string length
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Having a look at MySQL documentation for the string functions, we can also use CHAR_LENGTH() and CHARACTER_LENGTH() as well.
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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You can just use the Select() extension method:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumera...
Ruby Array find_first object?
...ound_object = my_array.find { |e| e.satisfies_condition? }
otherwise you can use any?
found_it = my_array.any? { |e| e.satisfies_condition? }
The latter will bail with "true" when it finds one that satisfies the condition.
The former will do the same, but return the object.
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Update one MySQL table with values from another
...You should have indexes on tobeupdated.value and original.value
EDIT:
we can also simplify the query
UPDATE tobeupdated
INNER JOIN original USING (value)
SET tobeupdated.id = original.id
USING is shorthand when both tables of a join have an identical named key such as id. ie an equi-join - http...
Css pseudo classes input:not(disabled)not:[type=“submit”]:focus
...sabled and are not submit type, below css is not working, maybe if someone can explain me how this must be added .
3 Answer...
How can I suppress column header output for a single SQL statement?
... ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated with a TAB character.
mysql -s ...
use testdb;
select * from names;
id name
1 pete
2 john
3 mike
To output the data with no head...
.NET List Concat vs AddRange
What is the difference between the AddRange and Concat functions on a generic List? Is one recommended over the other?
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