I would like to know what the try...catch blocks are.
I would like more information in Portuguese, because in English I did not understand much, only that it would be a kind of if...else .
What are these try...catch bl...
I would like to know how to count values in different columns.
Generic example:
ID - COLUNA1 - COLUNA2
1 - foo - Bar
2 - - Foo
3 - Qux - Bar
4 - Bar -
I expect as a result
count - value
2 - Foo
3 - Bar
1...
I have a C # application that uses a MySQL database with Entity Framework. However, the size of the database is ridiculously small, so I do not think it's worth having a MySQL database server just to run this application.
What approach would...
I need to make an IF in Javascript. I'll explain:
A customer sells:
40kg barrels.
3kg tube.
I'm not sure how to do this IF. The idea is to show in the field qtd40kg Only multiples of 40, which is the weight, ie:
If I need 4...
Hello, I would like to create a mask for cpf using edittext, but I was not successful; I searched the net and found several examples in java, but I could not adapt to C #, could anyone help me?
Thank you in advance.
Considering a system in which you have the correct server-side treatments, validations and protected against SQL, XSS and brute-force injection attacks, it would be enough to just forward the login area to the HTTPS protocol or should I change...
I'm trying to get the text from this structure:
<span id="our_price_display">R$ 71,90</span>
And I would like it to return only 71,90 .
But in the structure I created, I can not get the "R $" from the text and only reco...
How to make a input of type text to use in a form that I need to add tags, just as it exists in Stack Overflow ?
Note
Whoever responds, the answer can be extremely large if it is to quote
the server-side ren...
I have a normal textarea
<textarea placeholder=" Digite aqui" class="form-control"></textarea>
I wanted the user to press enter when he did not break the line, but already sent the content.
Could you do this with a input...