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Im trying run this sql statement but its not working..
the select statement is ok but its just the bottom part that's giving me trouble.
SELECT VRVDIL.INVOICE_DATE,
VRVDIL.INVOICE_NO,
VRVDIL.DEAL_NO,
VRVDIL.COST,
VVD.DEAL_DATE,
VVD.SALESMAN_NAME,
VVD.SIGNED_DATE,
VVD.STOCK_NO,
VVD.VEHICLE_ID,
VVD.VEHICLE_SALES_GROUP_DESCRIPTION,
VVD.INVOICE_TO_NAME,
VRVS.DATE_SOLD,
VRVS.DAYS_IN_STOCK_BEFORE_SOLD,
VRVS.LOCATION_NAME,
VRVS.STOCKED_DATE,
VRVS.VEHICLE_CLASS_DESCRIPTION,
VRVRD.BUYER_NAME,
VRVRD.PURCHASING_PRICE,
VRVRD.SELLING_PRICE,
VRV.VIN,
VRV.VEHICLE_TYPE,
VRV.REGO_NO,
VRV.REGISTRATION_EXPIRY_DATE,
VRV.MODEL_ID,
VRV.MAKE_ID,
VRVDOL.QTY
FROM VW_RG_VEHICLE_DEAL_INVOICE_LINE VRVDIL,
VW_VEHICLE_DEAL VVD,
VW_RG_VEHICLE_DEAL_ORDER_LINE VRVDOL,
VW_RG_VEHICLE VRV,
VW_RG_VEHICLE_STOCKCARD VRVS,
VW_RG_VEHICLE_REGISTER_DETAIL VRVRD
WHERE (VRVDIL.VEHICLE_DEAL_KEY = VVD.VEHICLE_DEAL_KEY
AND VRVDOL.VEHICLE_DEAL_KEY = VVD.VEHICLE_DEAL_KEY
AND VVD.VEHICLE_KEY = VRV.VEHICLE_KEY
AND VRVS.VEHICLE_STOCKCARD_KEY = VVD.VEHICLE_STOCKCARD_KEY
AND VRVS.VEHICLE_KEY = VRV.VEHICLE_KEY
AND VRVS.VEHICLE_STOCKCARD_KEY = VRVRD.VEHICLE_STOCKCARD_KEY
what is the error?
Do you miss a closing parenthesis?
WHERE (VRVDIL.VEHICLE_DEAL_KEY = VVD.VEHICLE_DEAL_KEY
AND VRVDOL.VEHICLE_DEAL_KEY = VVD.VEHICLE_DEAL_KEY
AND VVD.VEHICLE_KEY = VRV.VEHICLE_KEY
AND VRVS.VEHICLE_STOCKCARD_KEY = VVD.VEHICLE_STOCKCARD_KEY
AND VRVS.VEHICLE_KEY = VRV.VEHICLE_KEY
AND VRVS.VEHICLE_STOCKCARD_KEY = VRVRD.VEHICLE_STOCKCARD_KEY)
At the end of the last AND condition, you should put a closing parenthesis.
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So I got his problem as homework in my course, when I solved it the result I came up with was 1, but everywhere I check the solution stops at line 4 is if it is the final solution, but I can't spot the error in my logic for some reason!
Line1: (a+b+c')(a'b'+c)
Line2: =aa'b'+ba'b'+c'a'b'+ac+bc+c'c
Line3: =0+0+c'a'b'+ac+bc+0
Line4: =c'a'b'+ac+bc
Line5: =c'a'b'+c(a+b)
Line6: =c'+c(a'b'+(a+b))
Line7: =1*(a'b'+(a+b))
Line8: =1
You can do a very little bit better if XOR (^) is a primitive operation in your system:
Line1: (a+b+c')(a'b'+c)
Line2: = aa'b'+ba'b'+c'a'b'+ac+bc+c'c
Line3: = 0+0+c'a'b'+ac+bc+0
Line4: = c'a'b'+ac+bc
Line5: = c'a'b'+c(a+b)
Line6: = c'a'b'+c(a'b')'
Line7: = c^(a'b')
Your error is the following:
Line5: = c'a'b'+c(a+b)
Line6: = c'+c(a'b'+(a+b))
Clearly, lines 5 and 6 do not show equivalent expressions because c=0 satisfies the second regardless of a and b whereas c=0, a=1 does not satisfy the first.
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Is there any Javascript plugin to populate country codes on change of country dropdown?
Plug-ins, not that I know of... I know answers shouldn't only include external links, but I guess this might be exception, I will include a few links in case 1 breaks one day...
Since Country names and codes don't change too often nowadays might be safe with this text extract:
http://www.textfixer.com/resources/dropdowns/country-list-iso-codes.txt
then using split(':') function, easy populate text & value of select lists
options elements like this:
function populateCountriesDropDown() {
var file = "countries.txt";
var selectList = document.getElementById('selectID');
var rawlist;
var rawFile = new XMLHttpRequest();
rawFile.open("GET", file, false);
rawFile.onreadystatechange = function () {
if (rawFile.readyState === 4) {
if (rawFile.status === 200 || rawFile.status == 0) {
rawlist = rawFile.responseText.split('\n');
}
}
}
rawFile.send(null);
for (var i = 0; i < rawlist.length; i++) {
var country = rawlist[i].split(':');
selectList.options[selectList.options.length] = new Option(country[1], country[0]);
}
}
OR other links with what you might be looking for:
http://www.freeformatter.com/iso-country-list-html-select.html
https://github.com/umpirsky/country-list
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SELECT #body1 = #body1 + '<tr><td valign="top">' + CONVERT(VARCHAR(19), GETDATE(), 120) + ' </td>'
,#body1 = #body1 + '<td valign="top">' + ISNULL(CAST(fut.nFuturesId AS varchar), ' ') + ' </td>'
,#body1 = #body1 + '<td valign="top">' + 'PaperFuturesCommodity' + ' </td></tr></table>'
FROM dbo.PositionFutures AS fut WITH(READUNCOMMITTED)
WHERE 1=1
--AND fut.strUnderlying = 'V'
AND fut.nFuturesId IN (3059, 21535)
GROUP BY fut.nFuturesId
This is the part of my stored procedure that creates the table body. The result of this right now is 2 rows, but the second one is not inside the table as picture below. Why?
Gordon Linoff has it right check your
</Table>
at the end of the select
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I have a very basic question related to boolean logic.
I have two boolean flags- flagA and flagB. I need to calculate flagC based on the values of flagA and flagB.
The code/rules are:
if($flagA && $flagB) {
$flagC = true;
} else if (!$flagA || !$flagB) {
$flagC = false;
} else if(!$flagA && !$flagB) {
$flagC = true;
}
These rules match with the XNOR truth table - http://en.wikipedia.org/wiki/XNOR_gate
I want to find out different ways to re-write the above code(if possible) with:
fewer lines of code
better performance (even if it is a minute difference)
using bit shifting?
The languages I am hoping to write this in - php, ruby/ruby on rails.
Any help/pointers will be great!
Thanks!
Don't use these languages much but this might work:
$flagC = ($flagA == $flagB);
From the link posted: http://en.wikipedia.org/wiki/XNOR_gate
two-input version implements logical equality, behaving according to the truth table to the right. A HIGH output (1) results if both of the inputs to the gate are the same. If one but not both inputs are HIGH (1), a LOW output (0) results.
So flagC is true when flagA equals flagB.
if($flagA && $flagB) {
$flagC = true;
} else {
$flagC = false;
}
(Your second rule covers all other cases.)
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Is the following function is correct?
local function yes()
return 1
end
local function no()
return 0
end
Can I use it to set the values of the variables in this way?
local May_I = yes()
if May_I ~= 0 then
-- Yes I can do that
end
I like numbers, but sometimes they are not very precise.
You can deal with the imprecision you mentioned like so:
> epsilon = 1e-2
> function yes()
>> return 1
>> end
> if math.abs( yes() - 1 ) <= epsilon then
>> print("Yes I can")
>> end
Yes I can
Or alternately, be precise and use true and false.