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5
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answer1261
viewsAccess webcam to take photo
How can I have access to webcam to take some photo and upload directly to my server? Is there an API that helps me?
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answers203
viewsReturn Time.zone.now in C#
In ruby on Rails you have a command Time.zone.now that returns me the date and time in this format => Sun, 18 May 2008 14:30:44 EDT -04:00 I need to get that same time zone return only on C#…
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answers2045
viewsHow to limit PHP words
Hello, I would like to know how I limit the text I pull from the database. For example, I have a text called: Lorem ipsum dolor sit Amet. And I wanted you to limit the text by pulling, I’d be like,:…
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answers185
viewsIfs and Object Orientation - C#
I have a question about how to replace IF with polymorphism. I will give the following example: Let’s say I have the classes ExecucaoIndividual and ExecucaoGeral. For this I created an interface to…
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answers1316
viewsMonitor PHP script processing
Does anyone know a way to monitor PHP code processing and present to the client? I’m designing a converter layout which takes data files in a given format and converts to another format. Basically,…
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answer493
viewsHow do I get an image of the computer inside a java application?
I have a registration and I would like the user to choose an image to represent it. Otherwise, a default image would appear. That is, in a certain part of the register would have a button that when…
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answer741
viewsAjax await end of request
I’m using the script below to feed some fields in a form. When doing a badge search, it takes a few seconds to find the value, but if the person gives a "enter", he passes the "Searching..." values…
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answers1625
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answer162
viewsCancel selection of Uploads
I’m trying to upload files imagens, but when I’m clicking on X of the photo Preview, it is only closing the Preview, but it is still selected. How can I do for when click on x, also take that image…
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answers596
viewsHow to select last related table records?
I have the following tables: negociacoes, negociacao_contatos and negociacao_status and the following relationships: negociacoes hasMany negociacao_contatos negociacoes belongsTo negociacao_status…
mysqlasked 9 years, 4 months ago Danilo Miguel 332 -
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answers198
viewsHow to humanize javascript dates
Given a date ex: 24/05/1982, how to transform into years, months and days? In the above example it would be converted into 33 years 1 month and 1 day. The idea is to do everything in Javascript.…
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answer608
viewsDifferentiate interface "instance" class instance
Got some way of differentiating v1 of v2 in the code below, by reflection or other method? var v1 = new MinhaClasse(); IMinhaClasse v2 = new MinhaClasse(); I want to run a method only if a variável…
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answers2851
viewsCheck if user closed browser
Would there be a way for me to know when a user closes the browser and, before closing, record in the bank that their session is inactive? Or, how can I make some external program that monitors if…
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answers557
viewsConvert "unsigned int" to "unsigned char" vector?
I need to convert a unsigned int in a vector of unsigned char to later translate this address into binary, for a work that needs to simulate a virtual memory. Can someone explain to me how to do…
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answer182
viewsCan you calculate the diagonal on canvas?
I need to draw a square with Canvas in an image. This image comes from the database, where it has different dimensions. I’m able to draw the square in the center of the image, but if the image is…
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answer357
viewsHow to manage Session with Session in C# desktop and non-web applications?
I can’t find an example of using the Session object for desktop applications, all I find are for applications made in C# for the web with Asp, etc. Does anyone know how to check if a user is…
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answer1174
viewsCopying table in Mysql
Need to make a copy of a table in Mysql for a simulation, is there any function for it? How could I do that?
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answer336
viewsHow to create and display a list of emails with json output with form information
The goal of the project is to generate a list of "emails" coming from the contact form, to show in a list of type li with the following data: - name - subject matter - delivery time I also need the…
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answers7137
viewsWhat does KWARGS in Python mean?
I know that, in Python, we can define in a function something similar to what they call "named Parameters", ie, "named parameters". def my_func(**kwargs): pass my_func(nome="Stack Overflow",…
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answer3608
viewsRun Python file with arguments
In my program, I do the following operation: import sys qtd_ponts = int(sys.argv[1]) I would like to know a practical way to run this file .py passing arguments without needing an IDE, using files…
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answer1602
viewsChar vector cast for pointer
People how a cast works in a vector char for a pointer int? for example: char vetor[2]; int *p; p = (int *)&vetor; Can someone explain me this line?…
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answers3902
viewsC# - How to remove the Maximize bar, Minimize, but only keep one Close button?
I created a graphic component and wrote a command line that removed the control bar from the graphic component, but all the buttons are gone. Is there any way to just let the Close button? Or I’ll…
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answer1046
viewsHow to take data from a list only when there are two equal codes
Currently I can only take different data from two lists, for example: Lista X Código 1 Código 2 Lista z: Código 1 Código 3 I can only get the code 2 and 3. Now arose the need to take the same data,…
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answers1005
viewsjQuery - Use two functions together
I need the same method to be called in two events, that is, in the page load the data, and if the input value is changed load the code again. ($("#cpf_cnpj").load(function() or…
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answer260
viewsHow to inflate a class on Android?
I needed to inflate a form into a tab, always make the form in xml, but this time I did it via code, someone knows how to display my class instead of xml in a FragmentTab? Code to inflate an xml in…
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answers304
viewsMake a subdomain or create a subfolder?
Today a certificate seller SSL informed me that my site.com.br/intranet it’s not safe, what the right thing would be to do intranet.site.com.br that’s true? Does a sub-domain make any difference…
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answer608
viewsJVM. What is the difference between Metaspace and permgen?
What is the difference between Metaspace and permgen? I’ve been trying for a while to understand, I could help?
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answer295
viewsRetrieve the last saved photo and insert it into a View image every time Activity starts
I’m doing a job and I created a page that simulates a profile, so when a user is logged in, they can log on to that page and take a photo to be saved there. So, as soon as the photo is taken the…
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answer1306
viewsIdentify objects in an image with javascript/php
Is it possible to identify objects in a given image with Javascript or PHP? Facial recognition I know has how, and how would other objects?
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answers676
viewsHow to access the SDCARD on Android 4.4(API 19)
Currently I have an application running on 100 phones with android 2.3(established by the client), but are changing the phones to 4.4 and use the sd card to store and then display as product…
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answers58320
viewsError: Access denied for user 'root'@'localhost' (using password:NO) accessing Website
Good afternoon, I’ve been trying to run a website through a Raspberry to access with remote access. I installed OS Pipplware, along with Lamp and phpmyadmin. I sent through Filezilla the website…
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answers183
viewsState machine that locates the first line breaks, in C
How to make a state machine in C, using decision commands (if, else) to go through a buffer received from the internet, byte by byte, in order to locate the first line breaks (\n\n), and only then…
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answers337
viewsNo data in Json Array on Android
I’m having a problem bringing data into an Array on Json. It seems that it does not run Try catch, but in the result variable it brings all the data. I would like to take the name field, but it does…
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answers466
viewsFind out which table the data is from, in a Union
Hello, I have a php system, using codeigniter, and in it runs the following command: $data['dados_tabelas'] = Tabela1::find_by_sql('SELECT * FROM tabela1) UNION (Select * from tabela2)'); That’s…
sqlasked 9 years, 4 months ago Jonathan Machado 283 -
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answer1588
viewsCalling Asp.net application via HTML page
I have an app that I can’t change the source code that generates purchase orders. For each request an html is stored with the request data. I want to implement this html with the following: When…
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answer752
viewsError with Asp.NET Web.API + Angularjs
I have my method C# thus [ResponseType(typeof(Categoria))] public async Task<IHttpActionResult> Post(Categoria model) { if (!ModelState.IsValid) { return BadRequest(ModelState); } if…
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answer869
viewsHow to verify which items on the list meet a certain condition?
How to make a call function LinhasLongas, which receives 2 parameters at least, to decide whether a bus line is long or not? The data is in a list of punctuated pairs, such as: ((1 . 2)(2 . 3)(5 .…
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answers1630
viewsMount a single string with multiple strings from a Java Arraylist
How can I take several Strings of an Arraylist in a simplified way and join in only one String type variable? I’m new to Java and I’m having difficulty completing this change in a simplified way,…
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answer937
viewsDeleting local image of Laravel product
Well I have a product and I have an image being recorded locally. I need that in the backend when the product is deleted the local image is deleted. When I delete deletes the database data deletes…
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answers1166
views-ms-flexbox and flexbox do not work in Internet Explorer
I’m having trouble identifying what I should do to fix this mistake - I recently used the CSS Progress Wizard, it works perfectly on google Chrome and other browsers: But when I visualize in…
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answers392
viewsWhy in Python can we define an index of a Dict as a Tuple?
I noticed that in Python, we can add values like tuple as an index of a dict (dictionary). Example: test = {} test[(1, 2, 3)] = ("um", "dois", "tres") print test // {(1, 2, 3): ('um', 'dois',…
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answer44
viewsEntity Framework 6 error logging in Sqls
I’m trying to see the Sqls run by Entity Framework, use version 6. I’m following this guide. I made a new Dbcontext using the graphical interface. 5 tables only. The code is inside an API2 Web…
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answer468
viewsProvider of Registry.BR services
I want to submit myself as a service provider in Registro.BR and this requires that a test be done in their approval environment. I’m finding the information uneven, so I have some doubts 1-They…
domainasked 9 years, 4 months ago Victor Ferreira 167 -
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answer211
viewsWhat justifications/implications for the removal of Permanent Generation?
I could observe that in "Java Hotspot Performance Engine" 8 Permgen has been removed, but what was the motivation for this and where was it relocated? Is there any implication in this, for example,…
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answers160
viewsDo not fill in field if it does not exist
I have a question on how to ask a question to the database. Suppose I have two tables with slightly different structures Table1 id tipoA data 0 A '21/12/14' Table2 id tipoB data 1 B '24/12/14'…
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answers30209
viewsMysql, types of comments
I had already realized that mysql, maybe not even the only case, but I would like an explanation on top of this to be more objective. I have several types of comments that are accepted: 1) -- ESTA…
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answers11042
viewshow to Fill a Dropdownlistfor
Could someone help me how do I fill one DropDownListFor? Before I was doing it this way: @Html.DropDownList("lstAffiliate", string.Empty); But I saw that it was not recommended, then I decided to do…
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answers13820
viewsCalculate age per day, month and year
I’m trying to calculate the age per day, month and year but I’m not getting it. I followed some examples but they all go wrong too. For example if the date of birth is 14/06/1992 this method returns…
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answers301
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answers658
viewsOrder consultation in the interim
I am trying to list a certain product category. example. $consulta = $pdo->prepare("SELECT * FROM msg where tema = :tema;"); $s = 'mensagens-de-aniversario'; $consulta->bindParam(":tema", $s,…