Posts by Taisbevalle • 8,942 points
184 posts
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viewsA: What is the difference between angular.extend and angular.merge?
Extend: angular.extend(dst, src1, src2, ...) is to Shallow copy the properties of the source Objects from right to left, all the way to the Destination Object. Translating: angular.extend(dst, src1,…
angularjsanswered Taisbevalle 8,942 -
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answer567
viewsA: What is the difference between RMI and JRMP?
RMI The RMI (Remote Method Invocation) is a programming interface that allows RPC-style remote call execution in applications developed in Java. It is one of the approaches of the Java platform to…
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answers3182
viewsA: What is the difference between Simple Factory, Factory Method, Abstract Factory?
This answer is a junction of Vinicius Thiengo’s articles on Simple Factory, Factory Method and Abstract Factory. Generally all Factory standards (Simple Factory, Factory Method, Abstract Factory)…
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answer1071
viewsA: In Class Diagram, what is the difference between Boundary, Entity, and Control Classes?
Entity Class: Models objects that behavior and information should be stored. Border Class (or Interface): Models the interaction between the system and its operations. Control Class: Models specific…
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answers2638
viewsA: diff, date_diff, abs - PHP date calculation
Definition diff: Is the term used to make the comparison. date_diff: This function is a nickname for: DateTime::diff(). Returns the difference between two objects DateTime. <?php $datetime1 = new…
phpanswered Taisbevalle 8,942 -
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answers309
viewsA: What’s the difference between Savechanges and Submitchanges?
SaveChanges: Persists all updates in the data source and reset the change control in the object context. Operates in a transaction. It will reverse the transaction and make an exception if any of…
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answers529
viewsA: What is checked in the code in C#?
The keyword checked is used to explicitly allow the overflow check of integral types of arithmetic operations and conversions. By default, an expression that contains only constant values causes a…
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answers725
viewsA: put a materialize inline list
In his footer place display: inline. footer ul li{ display: inline; } See working on Jsfiddle…
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answers8989
viewsA: What is "build" and what is its relationship to the IDE?
What is? Build, in the context of software development, is a "compiled" version of a software or part of it that contains a set of features that may integrate the final product. Relationship with…
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answers5735
viewsA: What is the basis for.Oncreate(Bundle) and what is Bundle?
onCreate() is executed when a Activity is created. It is usually the method responsible for loading layouts (XML) and other boot operations. It is only executed once during the Activity. The Bundle…
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answers2317
viewsA: What is the use of Exclamation Mark (!) before declaring functions in Javascript?
The ! before the function causes it to be treated as an expression, so that we can call it: !function () {}() This will also return the boolean opposite of the function return value, in this case…
javascriptanswered Taisbevalle 8,942 -
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answers3382
viewsA: What are the states of a thread?
States of a thread Image taken from Thread States and Life Cycle. The states, according to the documentation sane: NEW: When the thread is created, but did not invoke the start() in the reference.…
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answers8678
viewsA: What is NPM and Node?
Node Node.js is a platform built on the engine JavaScript Chrome to easily build fast and scalable network applications. Node.js uses a non-blocking event-oriented I/O model that makes it…
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answer143
viewsA: Flexbox replaces the GRID?
Concepts Flexbox: It is part of the CSS3 specification that promises to organize elements in the page predictable when the layout needs to be viewed in various screen sizes and in various devices.…
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answer505
viewsA: Regular Expression Regex
Try using this regular expression: [A-Za-zÀ-ú]+ ?\-?[A-Za-zÀ-ú]+ Explanation of what I put the most: + determines that what comes immediately before it shall appear 1 or more ? optional ' '?…
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answers682
viewsA: What is the difference between Smtpclient.Sendasync and Smtpclient.Send() using Thread?
smtpClient.send(): Sends the specified message to an SMTP server for delivery. It will start sending in the main/ui thread and block. smtpClient.SendAsync(): Sends the specified email message on an…
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answers4548
viewsA: What’s the difference between Assets, res and raw directories on Android?
Before answering the difference, a brief explanation about the Resources: Some items must be externalized (images, strings) to keep them independent and to support specific settings (device…
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viewsA: What is the difference between Directoryiterator and Filesystemiterator?
The explanation of Rubens Ribeiro, author of blog PHP is very good: Directoryiterator The class DirectoryIterator implements the interface Iterator, she has the methods to manipulate the "pointer"…
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answers237
viewsA: What is the purpose of baselineAligned?
android:baselineAligned: When defined as false, prevents the layout from aligning your children’s baselines. When you’re wearing one LinearLayout horizontal, the items are aligned by the position of…
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viewsA: Doubt in the extraction of recursive Fibonacci equation
Only one correction, you don’t "find an algorithm to extract the recurrence equation". You extract the recurrence equation from an algorithm. "To analyze the time consumption of a recursive…
answered Taisbevalle 8,942 -
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answers4603
viewsA: Check that the value is integer
If you want to do with regex: <?php $testes = array('-65','065','16as321','132,16','16544.01','-1'); foreach ( $testes as $valor ){ printf( "%s %s um número inteiro\n" , $valor , preg_match(…
phpanswered Taisbevalle 8,942 -
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answers23806
viewsA: Size of a String
Complementing the reply. You can know how many bytes each variable occupies in memory. There are two ways to do this, the first is simply by placing the reserved words within the operator sizeof().…
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answers725
viewsA: Select Aninhado
To view information belonging to more than one table and that is obtained by executing more than one command SELECT, we should use the clause UNION ALL, which facilitates the display of data from…
sqlanswered Taisbevalle 8,942 -
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answers239
viewsA: Reusability of the Control
The Control is reusable or depends on the language? It depends on the code. I’ll explain to you talking about the term Reuse of code, also called software reuse, which is the use of existing…
mvcanswered Taisbevalle 8,942 -
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answers1033
viewsA: What is the definition of each css selector combination
CSS In the maujor’s website has a very good tutorial on CSS, I will leave here some relevant parts. The CSS rule has its own syntax and defines how the style will be applied to HTML elements:…
cssanswered Taisbevalle 8,942 -
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answers4855
viewsA: Usefulness of #pragma
Pragmas are directive, which is a construction of some programming languages that specifies how the compiler or assembler should process the source code. Used in programming languages (C and C++),…
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viewsQ: Meaning of "__"
In the implementation of the Linux kernel, I came across this statement on line 89: #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; }) I know that in C, symbols…
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viewsA: sql return zero
If in your table the codMunicipio 272 has with the codMunicipio equal to NULL, you can use the IFNULL. It replaces the values NULL what you want, in case 0. The syntax is: {fn IFNULL( expressão,…
mysqlanswered Taisbevalle 8,942 -
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answers15337
viewsA: Security - What is a KEY API?
API Keys, as it once was said, are access credentials provided in a manner that authorizes the use of specific API features and are used to monitor and control how the API is being used, for example…
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viewsA: How to make the font size automatically fit the size of a div
To solve this problem of words going beyond the div, you can use the property overflow: auto; In your example it would look like this: div { font-size: 100%; border: 1px solid red; height: 200px;…
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viewsA: Billet generation in . NET
Almost a year after your question, I can say that the Boleto.Net has come a long way. The ticket without registration as we know it will cease to exist at the end of 2016. If your company works with…
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answer53
viewsA: What is the difference between "rands" in PHP?
mt_rand: Improved Random Number Generator <?php echo mt_rand() . "\n"; echo mt_rand() . "\n"; echo mt_rand(5, 15); ?> mt_srand: Sow the improved random number generator <?php // semente de…
phpanswered Taisbevalle 8,942 -
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answers72
viewsA: Because this HTML tag does not show the link, only when I shoot the style="display: None;"
The function of display: none simply hide the element in question. The name itself already speaks "None" (nothing, none). Can put display: block, to solve or simply take that style. <a href="#"…
htmlanswered Taisbevalle 8,942 -
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answer613
viewsA: Operations with linear queues, moving an element to the first row
There are several ways to make such an algorithm. I advise you to see the different forms of implementation I put here and try to make your own code. Row in C. #include <stdio.h> #define MAX 5…
canswered Taisbevalle 8,942 -
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answers2225
viewsA: What is and how does a Static block work in Java?
The boot blocks are executed when an instance is created or when the class is loaded by the JVM. They have no return, name and parameters. The static boot blocks are executed only when the class is…
javaanswered Taisbevalle 8,942 -
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answers1284
viewsA: Are there differences between Post and Request?
Supplemented by an example in PHP. POST The post uses the URI (Uniform Resource Identifier) for sending information to the server, which, because it is not returnable to the client, makes the method…
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answer601
viewsA: Commit a vendor folder file
If the file is ignored, you can force the addition of these files: git add --force -- arquivo1 arquivo2 git commit -m "adicionar arquivos anteriormente ignorados" git push If you want to add all the…
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answer160
viewsA: Question about row in C
Your counter is not being updated. If you put a printf("\n Contador = %d", contador) within the while of main will see that. I made two changes to your code: I used int main(), you use void main() I…
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answer323
viewsA: Modern Web: SPA/REST
The correct thing to do when joining the web is to focus/study these concepts? Yes. It’s always good to be up to date with new technologies. SPA means Single Page Application, is a new web and…
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answer62
viewsA: How to group notifications
Use the clause GROUP BY, which is used to group (or aggregate) the rows of the table according to a criterion chosen by the user, and a group function can then be applied to each of the groups.…
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viewsA: What is the .component.spec file for at angular2
The files of spec are unit tests for source files. The convention for Angular 2 applications is to have a file .spec.ts for each file .ts. Documentation:…
angularanswered Taisbevalle 8,942 -
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answer96
viewsA: LINQ to SQL Inheritancemappingattribute Code property
It’s all in the links you posted. The class InheritanceMappingAttribute maps an inheritance hierarchy into a LINQ to SQL app. The builder InheritanceMappingAttribute() initializes a new class…
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answer861
viewsA: Fill char matrix with random words
That problem is NP-complete, you can use an algorithm Brute Force to solve it. It consists of trying all possibilities, and stopping when a possibility is a valid one. Will return failure when…
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answer97
viewsA: Firebird utilities on C#
Maybe their implementation will help you. FbValidation.cs: using System; using FirebirdSql.Data.Common; namespace FirebirdSql.Data.Firebird.Services { #region Enumerations /// <include…
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viewsA: When do I actually need to use the this operator in Java?
Explaining in a less formal way, the this refers to the current object. For example: you have a ball object with a color property, you can access the color property with this.cor Already the method…
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answer305
viewsA: Google Chats: Show total above column and grid show 1 to 1
To display the data from one to one, you need to customize the vAxis. Example: vAxis: { viewWindow: { min: 0, max: 10 }, ticks: [0,1,2,3,4,5,6,7,8,9,10] }, And to display the total number at the top…
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answer193
viewsA: Google charts returning empty php mysql
Your code is not passing the data in the right way. See this example: <?php $con = mysqli_connect('hostname','username','password','database'); ?> <!DOCTYPE HTML> <html>…
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viewsA: Sort the largest on request
Complementing the answer, so you understand the meaning of the clauses. For you to bring the 10 customers who got the biggest discounts per order, without the same discount amount being repeated.…
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viewsA: What are Progressive Web Apps?
What exactly is Progressive Web App (PWA) or Progressive Web Application? This part you find in documentation: Progressive Apps for the Web They are experiences that combine the best of the Web and…
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viewsA: Is there a correct way to comment on a code snippet?
The specification of the language C# does not define a coding standard. However, guidelines are used by Microsoft to develop samples and documentation. Coding conventions meet the following…