All Questions

3
answers

JQuery monitoring keystrokes

I'm making a form, where the data is entered through scanning bar codes (default code 128). After scanning each value, the hand scanner is already configured to give <TAB> and move to the next field, making it very convenient to...
asked on 31.10.2017 / 19:31
1
answer

Check for data in column [closed]

How can I check if there is data inside a column in a table? I want to do a check and if there is data in the column it displays a div . I know mysql_num_rows to add up the data that was fetched, but I wanted to know if it has...
asked on 24.10.2015 / 03:51
3
answers

AngularJS Date subtraction

Well, How do I subtract a day from the angle old.endDay = start.startDay; Example: startDay = 05/05/2017. endDay = 04/30/2017. I'm sorry.  in fact I wanted was to take day out of startDay and send the change to endDay. Thank you!   ...
asked on 14.06.2017 / 14:04
1
answer

Identify objects in an image with javascript / php [closed]

Is it possible to identify objects in a given image with Javascript or PHP? Facial recognition I know what it has, and how would it look like other objects?     
asked on 19.06.2015 / 20:57
2
answers

Geolocation + Ajax + PHP - what am I doing wrong?

<body> <script type='text/javascript'> var lati = ''; var long = ''; var cidade = ''; var estado = ''; var pais = ''; var dadosajax = ''; navigator.geolocation.getCurrentPos...
asked on 17.05.2016 / 20:58
2
answers

ReportViewer Generic error GDI +

In ReportViewer, some generated requests are generating exception, and when this occurs, I can not even export to PDF, but for DOC it works. Does anyone know what's going on? I use C # with VS2010 and .Net 4.5 Description of exception :...
asked on 29.05.2014 / 00:40
2
answers

Check if it's the class

How do I check with JavaScript if it's really that class in CSS? Example: if(é a class) { } or another example, if not the class if(!.minhaClasse) { } Is there any way to do this with pure JavaScript?     
asked on 19.07.2017 / 20:59
1
answer

Block fields in SubForms in MS Access

I have the following Form with a SubForm: IneedtoenableCheckin"Approve3" and block the other fields, but I only get "LOCK" all or none, how can I get around? Maybe for vba? I remember a SubForm inside a Form     
asked on 16.05.2016 / 15:25
1
answer

Documentation for creating files in PDF format

I have been analyzing free libraries for the creation of PDFs for use in commercial applications on Android, and so far I have not found any that meet all my expectations, features and licenses. As can be seen this and in this question right...
asked on 27.08.2015 / 16:52
1
answer

Best way to model the database of a chat [closed]

I have an application that works with webServices and the mysql database, I'm putting a chat on it, the part about how to get messages, view notifications and search for users I already have, my question is: How should I store my messages in...
asked on 15.08.2014 / 19:58