I am trying to order my table, but this ordering is not working correctly.
Example:
let dataArr = [3257,327,313,315,312,316,317,321,326,302];
I am using => _.orderBy(dataArr, ['number'], ['asc']) => [302,312,313,315,316,317,321,3257,326,327]
Why it isn't return like this [302,312,313,315,316,317,321,326,327,3257]?
How can I figure this problem out?
You can use like this,
let dataArr = [3257,327,313,315,312,316,317,321,326,302];
_.orderBy(dataArr)
This will return your expected result. It is a simple array so you don't need to give it as a number type or order[asc/desc]. By default, it takes asc order.
You are missing the "iteratees" argument. Since numbers don't have an "asc" property, this call does nothing. You should use the _.identity iterattee there:
_.orderBy(dataArr, [_.identity], ['asc'])
// Here -----------^
Related
I'm trying to save just a number from a string I get from a paragraph but when I try to asign an alias to it and then check the value it returns undefined. I've tried a few solutions I found but none of those seem to work for me. These are two ways I tried (I tried another one similar to the second one but using split, had same result). The console.log inside of the 'then' doesn't show in the console, and when I try the alias after the code is when I get undefined.
cy.get('p')
.eq(1)
.should('have.text', '/[0-9]+/g')
.as('solNumber')
cy.get('p')
.eq(1)
.invoke('text')
.then((text)=>{
var fullText = text;
var pattern = /[0-9]+/g;
var number = fullText.match(pattern);
console.log(number);
})
.as('solNumber')
Please convert with + operator and return the numeric value if you want numeric type to be stored.
cy.get('p').eq(1)
.invoke('text')
.then(fullText => {
const number = fullText.match(/[0-9]+/);
return +number // text to numeric
})
.as('solNumber')
cy.get('#solNumber')
.should('eq', 42) // numeric type
});
Running your 2nd code on this,
<p>21</p>
<p>42</p>
gives the correct outcome
cy.get('p')
.eq(1)
.invoke('text')
.then((text)=>{
var fullText = text;
var pattern = /[0-9]+/g;
var number = fullText.match(pattern);
console.log(number); // logs 42
})
.as('solNumber')
cy.get('#solNumber')
.should('eq', '42') // passes
So, you need to inspect the DOM, it looks like it's not what you expect.
The first attempt you were passing a jquery element to the .should() and although some chainers change the subject yours did not so it saved the jquery element as solNumber.
The second attempt invokes the .text() which was passed to the .then() it logs the number correctly. However, you did not return anything at the end of the .then() block, therefore, solNumber should hold the entire paragraph.
This should help you out to extract the specific number and save it as an alias.
cy.get('p')
.invoke('text')
.invoke('trim')
.then(paragraph => {
const matcher = /some/
expect(paragraph).to.match(matcher) // check number is there
const indexOfText = paragraph.match(matcher) // get index of match text
return paragraph.substring(indexOfText.index, indexOfText.index + indexOfText[0].length) // return substring
})
.as('savedText')
cy.get('#savedText')
.then(cy.log) // will print out the number you seek
I'm just learning while doing ramda.js. Well, there are many ways to reach a goal with ramda, but there is on thing I do not understand.
I would like to check the input for an array of strings that all match one regular expression. I thought I could do it R.all(R.both(isString, isRegExp)), but it seems to deliver a true when the input is a number.
As expected R.allPass([isString, isRegExp]) gives a false with a number input.
But can anyone please explain me why R.all is returning a true? Or what and where is mistake (in thinking)?
Complete code:
var isString = R.is(String),
isMyRegExp = R.test(/^[a-z]+$/),
isMyRegExpString = R.both(isString, isMyRegExp),
isArrayOfMyRegExpStrings = R.all(isMyRegExpString),
isArrayOfMyRegExpStringsPass = R.allPass([isString, isMyRegExp]),
result = {
'all': isArrayOfMyRegExpStrings(9),
'allPass': isArrayOfMyRegExpStringsPass(9)
};
console.log(result);
// {
// all: true,
// allPass: false
// }
https://codepen.io/Eisenhardt/pen/PKLZqj
PS:
I know that I could shorten conditions with just the regexp, but there could be other situations where I need both conditions to be true. eg. isArrayOfNumber and sumOfNumbersOver50.
The second argument to R.all is expecting a list of values to test. Due to the way the function is implemented it is treating the 9 in your example as an empty list, resulting in a vacuous truth and evaluating to true.
I've noticed that when ordering by a datetime column in CI with active record, it's treating the column as a string, or int.
Example:
$this->db->limit(12);
$this->db->where('subscribed',1);
$this->db->join('profiles','profiles.user_id=users.id');
$this->db->where('active',1);
$this->db->select('users.thumbUpload,users.vanity_url');
$this->db->select('users.created_on as time');
$this->db->order_by('time');
$query = $this->db->get('users');
This is where users.created_on is a datetime field. Firstly, is it because active record is rendering time escaped, or is it something else? And if it is, can I prevent the escaping on order_by somehow?
Also, stackoverflow, please stop autocorrecting 'datetime' to 'date time'. It's annoying.
Cheers!
When you set second argument as false, function wont check and escape string. Try this
$this->db->select('users.created_on as time', FALSE);
Or for you query use
$this->db->order_by('users.created_on', 'DESC'); //or ASC
And for complex queries
$this->db->query("query");
According to the signature of the method in core files of CI (currently 2.2), it does not have any option to allow to choose whether or not to escape.
// The original prototype of the order_by()
public function order_by($orderby, $direction = '') {
// Definition
}
As you see there is not argument as $escape = true in the argument list. One way to do so is to hack this core file (I normally do not suggest it, since if you upgrade CI to a newer version later, then these changes will be lost, but if you do not intend to do so, it is OK to use it).
To do so, first change the prototype as:
public function order_by($orderby, $direction = '', $escape = true) {
// Definition
}
And then check the conditions in the following parts of definition:
// Line 842
if($escape){
$part = $this->_protect_identifiers(trim($part));
}else {
$part = trim($part);
}
// Line 856
if($escape){
$orderby = $this->_protect_identifiers($orderby);
}
When you call it, to prevent the escaping:
$this->db->order_by($ORDERBY_CLAUSE, null, false);
I need the following condition (in SQL) to fill a specific field in my resultset:
CASE
WHEN M.ID_ENTIDAD = m.ID_ENTIDAD_VENTA then EC.CLAVE_ENTIDAD
END AS Contraparte }
If I use
var contraparte = Projections.Conditional(
Restrictions.EqProperty("EntidadOwner", "EntidadVenta"),
Projections.Property("enc.CvePrincipalMiembro"),
null);
That return an error.
Also if I use:
*var contraparte = Projections.Conditional(
Restrictions.EqProperty("EntidadOwner", "EntidadVenta"),
Projections.Property("enc.CvePrincipalMiembro"),
Projection.Constant(a constant value);*
Apparently it is not possible to use this Conditional without ELSE part. that is nhibernate can not generate CASE without ELSE part.
It is possible to do this?? Please help me!!!
Thanks
Ok. I found self the response.
I took two actions:
One, add the following dummy field in the map class used in your query:
Map(x => x.Dummy).Nullable().Formula("NULL");
Second: I modified the conditional projection with the following code:
var contraparte = Projections.Conditional(
Restrictions.EqProperty("EntidadOwner", "EntidadVenta"),
Projections.Property("enc.CvePrincipalMiembro"),
Projections.Property("Dummy"));
That was all! I hope that this help another people with the same problem.
I'm using LINQ towards my MSSQL database. I have the TypeOfMetaData-table, the UserMetaData-table and the MetaDataHasType-table that has foreign-keys from the TypeOfMetaData- and the UserMetaData-table. What I need to do a method to get all MetaData and Types and return them. The problem is that I don't know what kind of return value I should use to be able to match the correct rows together.
Thanks for the help,
wardh
You could use an Anonymous Type (var) to store the result:
var result =
yourDataContext
.UserMetaData_Table
.Select(
userMetaData =>
new
{
UserMetaData = userMetaData,
Types = userMetaData.MetaDataHasTypes.Select(types => types.TypeOfMetaData),
})
.ToArray();
If this isn't what you want, could you update you question to with an example of the data context and the classes you have and what you have tried so far.