Interesting questions
-
-1
votes1
answer24
viewsFunction of concatenating two chained lists returning only one element
I have a function that receives as parameter two chained lists containing elements and a third empty list that at the end will be the junction of the two, but at the end of the execution of the…
-
2
votes1
answer966
viewsIs there a function to calculate the trend line in PL SQL?
Good morning folks. I need a function to calculate a trend line. I have a query (part of the function): select round(sum(nvl(vl_indice, vl_meta))/12, 2) from ( SELECT SUM (vl_indice) vl_indice, SUM…
-
4
votes1
answer85
viewsWhat are the widgets?
I understand that the widgets would be the components available in the Android Studio palette, for example. Thus, the components of the palette below, not only those that are in the Widgets group…
-
-1
votes1
answer23
viewsHow to search records until the previous month?
I need to get all the data, from the beginning to the previous month, this query has to be dynamic, I can not put a fixed date, because next month we need to consult again... In summary, today I…
-
-2
votes1
answer29
viewsCity and zip code information behaving strange. PHP Mailer, Html
Hello community all right? I have a very strange problem. I have an html form, and a php Mailer program that sends the mapped information. However only 2 fields behave very strange, the fields City…
-
2
votes1
answer62
viewsHow do I create a loop that allows you to cancel the previous order when it passes a certain value?
Good evening. The following language is MQL5. I am creating a robot for Metatrader 5. I created after many hours the following code. I made the comments in English just like in the tutorial because…
-
-4
votes0
answers21
viewsPass the video id to another form?
In my code, I have a loop that displays several videos that have the ID stored in a BD. The detail is that I need, when clicking on any of the listed videos, to open another page and display the ID…
-
1
votes1
answer413
viewsHow to install newtonsoft in visual studio without nuget
I would like to know how I do to install newtonsoft-json in Visual Studio without nuget, because I heard that I could install it without nuget.
visual-studioasked 12 years, 3 months ago Kaique Mota 496 -
1
votes0
answers125
viewsRead file on hard drive
Where can I find code in Assembly to read files on the hard drive? For example, on FAT32 file system. Or else, a description of your tables and organizations so I can program it myself. I use the…
-
-3
votes1
answer134
viewsMy SQL Error 1215: Cannot add Foreign key Constraint!
Well when I’m adding the references he gives this error, the error appears from the 3rd alter table what I do! create database tipoUber_bd; use tipoUber_bd; create table users( CPFUsuario char(11),…
-
0
votes1
answer134
viewsError creating graph with API data - Axios/Vue
Hello, I’m building a graph that collects meteorological data from the city of Curitiba through a API reset, however nothing is collected and so the graph is not created, I’m using Vue/ Axios for…
-
1
votes1
answer997
viewsAccentuation problem in postgresql with npgsql
I have a database postgresql raised with encoding SQL_ASCII and template0. When I try to select lines with accents like NAY gives error, but if the records have no accent works normally. Mistakes:…
-
1
votes1
answer35
viewsFilter search for only ID’s that have more than one POSTGRESQL linked record
In the query below I can find the largest reduced linked to account, but I need it to be only in the id’s that have more than one reduced linked. The table has more than 4000 reduced SELECT (id,…
-
0
votes1
answer103
viewsHow to increase the value of STEP in the input Range as per bar roll
all right with you guys? Well, I have an input range similar to the one below, very simple that I use together a function in JS to print the value on the screen. <input type="range" name="valor"…
-
0
votes0
answers48
viewsHow do I return the value within a . then in Vue JS?
I’m new to Vue and Firebase, I have the following problem: I want to return the generated value inside then, in the console.log that is inside then returns the id that was generated, but when I…
-
1
votes1
answer264
viewsExchange of XML between service and client
I am studying WCF and all the initial material that I find it all comes down to very basic things, exposing methods that receive some parameters and return some value. I need to create a web service…
-
2
votes2
answers530
viewsValidate different fields with different regex
function validaForm(){ function valida_nome (){ var filter = /^([a-zA-Zà-úÀ-Ú0-9]|-|_|\s)+$/ ; if(!filter.test(document.getElementById("nome").value)){ document.getElementById("nome").placeholder =…
javascriptasked 10 years ago MagicHat 12,262 -
0
votes1
answer296
viewsSave cakephp associations 3
I am trying to save associated data in Cakephp 3, in the database I have two tables tabela entidades(id, nome_principal) and enderecos(id, entidade_id, cidade) In EntidadesTable i performed the…
-
2
votes2
answers98
viewsLanguage R - Use of function to prevent code repetitions
Staff I am developing a program in R language, the same compares data from two data.frame and writes in a third, the program presents several conditional structures of the type else if within two…
-
0
votes1
answer278
viewsMongodb - Add documents that have a certain value within an array
Hello, thank you for your attention. If I have left any questions, please let me know. I found a problem that is driving me crazy. I have the following collection: { "_id":…