I have an application that needs to uniquely identify a device.
Even if the user removes and installs the app again, I would like the handle to remain the same.
At first I thought about using the device's IME, but reading documentation ,...
What is the purpose of using DbMigration when developing a project using CodeFirst? Is using it a good practice, or is it something that does not cause major impacts on the implementation and / or maintenance of the system?
I saw that you already have a similar question with mine only that is in C # .
I'm doing a field check routine and when one of the date fields is blank it gives the message. I need when one of these fields is in focus, show the field nam...
Well I'm starting now in the poo area, I saw in a class where I'm watching on YouTube that it was wrong Methods write something on the screen, and how would I show if something wrong happened in a particular action that the user did .
Example...
I wanted to put the columns closer so that they do not happen as in figure 2.
int i,j,elemento;
for(i=0; i<elemento; i++){
for(j=-elemento; j<=elemento; j++){
if(i >= abs(j)) {
cout<<"\t"<<abs(j)+1...
What can happen if I return a local variable? I read on the internet that it is not a good idea to return a local variable.
Maybe because the variable when exiting the function is deleted?
Example:
std::string StrLower(std::string str)
{...
I want to execute only ONE tapply function and get results for each of the dataframes at one time:
dataset1<-data.frame(group = rep(c('a','b','c','d'), 3, each = 3),
number1 = c(1:36), number2 = c(1:36))
dataset...
In the company I work for, there is a data architecture I've never seen before, and I wonder if this is common, or if it's a new market trend. Just to mention the bank is Oracle. Here are some points:
There is almost no relationship between...
I am bringing the sum of the values from the database and as a result it returns me according to the example below:
6.3285714285714
I would like it to look like this:
6.32
I've tried ceil() and round() , but both...