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Java Difference between grids and designers

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Raziyah00 last edited by

What is the difference between the grids and the designer besides the fact that the designer is used to create a class copy? I mean, the designer's ability to initiate fields why not do it with the grids? Should the designer be used to create a copy? What's the benefit of using sophisticated designers?
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Cleofas last edited by

First, Designer initiated all fields, including protected and closed, which are not accessible to class users.
Second, Designer enables the establishment of an object in a given location. corrective condition.
Thirdly, you can create so-called temporary Objects that are not tied to a specific identifier, and therefore, it is virtually impossible to cause several grids for such objects.
Fourth, One Designer challenge Replacement There's a few calls for the netters.
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Somehow, there's no spring loging file.
Software Programming • java spring log4j2 • • Duquan

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http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/#overview-logging Look. Spring Framework uses Commons Logging to logical its actions and staffing can only be linked in log4j and slf4j. You're using log4j2 - there's a special booby dance. Like https://springframework.guru/log4j-2-configuration-using-xml/ ♪
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Create hollow linen java
Software Programming • java • • gionna

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Maybe it's better to "get" first than character write... If asterisk (*) or white ( ) And then at the end of each line loop write a line jump.Something like that.import java.util.Scanner; public class Rectangulo { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.print("Introduce la altura: "); int altura = sc.nextInt(); System.out.print("Introduce la anchura: "); int anchura = sc.nextInt(); String aux = ""; // Imprimir for (int alto = 0; alto < altura; alto++) { for (int largo = 0; largo < anchura; largo++) { // Primera y Ultima Linea (Todo con *) if (alto==0 | alto == altura-1) { aux="*"; } else { // Zona media (* o blanco) if (largo == 0 | largo == anchura-1) aux="*"; if (largo !=0 & largo != anchura-1) aux=" "; } // Pintamos caracter que corresponda System.out.print(aux); // Si es final de linea un salto if (largo == anchura-1) System.out.print("\n"); } } } }
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ActionBar elements in Gmail
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ActionBar on Android verse 3.0 will always show up downstairs. android:showAsAction="never" means that this element of menu will be inside."
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JAVA- variable different from a character or string
Software Programming • java • • Avante

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I recommend using a catch tryI think this is the easiest method to do. The catch try is a method for catch exceptions, therefore, you will have noticed that when one enters a letter when asking for a nextInt, the program closes by an exhibition, well, with this method we make the program not fall, if not "try" it, and lets you know if an error occurs. int num1; System.out.println("Ingrese un numero"); try{ //el programa intentara hacer todo lo que esta adentro Scanner scanner = new Scanner(System.in); num1 = scanner.nextInt(); // scanner.nextLine(); if(num1<0) System.out.println("El numero es menor a 0"); else { System.out.println("Aqui va el procedimiento para saber si es primo"); } }catch(Exception e){//esto es lo que pasa cuando se detecta un error System.out.println("Ingreso algo que no es un numero"); }
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Set different high to cards grid depending on your content
Software Programming • html css flexbox grid • • guilherme

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Inside cards-container > .item on your CSS.We can add the edge of the cards and see them, plus add a height: fit-content so that they have a dynamic height..cards-container > .item { border: 1px solid black; width:180px; height: fit-content; } But it happens that. .You've already given him a display grid.So, that grid keeps the distances between cards, and its layout in general. Now, as for changing the position... it would be the following:We add in container: Adding column-count assign us the number of columns to show.Adding column-gap is the space between themWe change and add in container grid-template-rows: the same one you had, but rows.break-inside to prevent the cards from breaking.cards-container { border: 1px solid blue; width: 100%; margin: 1 auto; justify-content: center; column-count: 2; /* Numero de Columnas a mostrar */ column-gap: 0px; /* Espacio entre columnas */ } .cards-container>.item { border: 1px solid red; display: grid; grid-template-rows: 1fr auto; /* Este nos ordena las filas / width: 180px; break-inside: avoid; / Evita que las columnas se rompan */ } .cards-container .item .title__item p { border-radius: 5px; background-color: #34b233; text-align: center; font-size: 30px; color: #fff; padding: 3px; font-weight: bold; } .list-card li { list-style: none; }<div class="cards-container"> <div class="item"> <div class="title__item"> <p> A</p> </div> <div class="item-container"> <ul class="list-card"> <li>Acapulco</li> <li>Aguascalientes</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> H </p> </div> <div class="item-container"> <ul class="list-card"> <li>Hermosillo</li> <li>Huatulco</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> O </p> </div> <div class="item-container"> <ul class="list-card"> <li>Oaxaca</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> T </p> </div> <div class="item-container"> <ul class="list-card"> <li>Tampico</li> <li>Tuxtla Gutierrez</li> <li>Tijuana</li> <li>Toluca</li> <li>Torreon</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> C </p> </div> <div class="item-container"> <ul class="list-card"> <li>Ciudad Obregon</li> <li>ciudad del Carmen</li> <li>Ciudad Obregon</li> <li>Ciudad Juarez</li> <li>Culiacan</li> <li>Chihuahua</li> <li>Cancun</li> <li>Chetumal</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> I </p> </div> <div class="item-container"> <ul class="list-card"> <li>Ixtapa</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> P </p> </div> <div class="item-container"> <ul class="list-card"> <li>Puebla</li> <li>Puerto Vallarta</li> <li>Puerto Escondido</li> </ul> </div> </div> <div class="item"> <div class="title__item"> <p> V </p> </div> <div class="item-container"> <ul class="list-card"> <li>Veracruz</li> <li>Villa Hermosa</li> <li>Puerto Escondido</li> </ul> </div> </div> </div>
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Android AlertDialog and CheckBox inside
Software Programming • java android kotlin • • Burma

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val myView = layoutInflater.inflate(R.layout.your_layout, null) val checkBox = myView.findViewById(R.id.checkbox) as CheckBox checkBox.setOnCheckedChangeListener { buttonView, isChecked -> // вот здесь можете получить отмеченные пункты } AlertDialog.Builder(this) .setTitle("Title") .setMessage("Message") .setView(myView) .show()
How to calculate the difference between two dates by ignoring the Java weekends without using loop
Software Programming • java data jodatime • • Mystic

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As @Math said, it would be correct to ask and put your answer. Then mark your answer as you accept, so the question is not appearing in the questions without SO answers.Anyway, I'm going to add an algorithm that I use for this purpose as a response, you don't have to mark it as you accept, you can respond with yours and mark it.static long days(Date start, Date end){ //Ignore argument check Calendar c1 = Calendar.getInstance(); c1.setTime(start); int w1 = c1.get(Calendar.DAY_OF_WEEK); c1.add(Calendar.DAY_OF_WEEK, -w1); Calendar c2 = Calendar.getInstance(); c2.setTime(end); int w2 = c2.get(Calendar.DAY_OF_WEEK); c2.add(Calendar.DAY_OF_WEEK, -w2); //end Saturday to start Saturday long days = (c2.getTimeInMillis()-c1.getTimeInMillis())/(1000*60*60*24); long daysWithoutSunday = days-(days*2/7); return daysWithoutSunday-w1+w2; } This algorithm is based on the answer of the SO in English of this link https://stackoverflow.com/a/4600534/747802
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day_of_week.java and leap_year.java
Software Programming • • zymir

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The daysinmonth method can be seen to meet the title request already.I guess the issue of separating leap year judgment to leap_year.java.As shown in BLUEPIXY's comments, the logic to determine the leap year within the daysinmonth method is complete, so you can get the leap year and the end of the day by just copying the dayinmonth method inside the class leap_year class of leap_year.java.Now, java.util.GregorianCalendar#isLeapYear is useful to determine if any year is leap year.The above class requires a static method to be instantiated, so the leap_year class should be a wrapper class and a leap year is determined by one line.leap_year.javaimport java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; /** タイムゾーンとかどうでもいい気分の時にワンライナーで閏年判定をするクラス */ public class leap_year { /** * 標準のタイムゾーンを使用する閏年判定 * * @param year 判定対象の西暦年 * @return 対象が閏年ならばtrue */ static boolean isLeapYear(int year) { GregorianCalendar calendar = new GregorianCalendar(); return calendar.isLeapYear(year); } /** * 標準のタイムゾーンを使用する閏年判定 * * @param calendar 判定対象のCalendarインスタンス * @return 対象が閏年ならばtrue */ static boolean isLeapYear(Calendar calendar) { return isLeapYear(calendar.get(Calendar.YEAR)); } /** * 標準のタイムゾーンを使用する閏年判定 * * @param date 判定対象のjava.util.Dateインスタンス * @return 対象が閏年ならばtrue */ static boolean isLeapYear(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); return isLeapYear(calendar); } } When using the。 class, the dayinmonth method of sample53.java will be rewritten as follows:// 月の日数をかえす public static int daysinmonth(int year, int month) throws Exception { int dim = 31; if (month == 4 || month == 6 || month == 9 || month == 11) { dim = 30; } if (month == 2) { if (leap_year.isLeapYear(year)) { dim = 29; // うるう年 } else { dim = 28; } } return dim; }
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Problems with java method does not print properly
Software Programming • java • • Nykeriab

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If your mistake is on the line:AutoRadioControl B = new AutoRadioControl("Him",2,100);It's because you don't have any builders with three arguments, you have four and five arguments. After that, you'd have to check the type of data by argument.If you had a builder like this, you wouldn't have that problem by calling it that way:String miNombre; int miBateria, miVelocidad; public AutoRadioControl(String Nombre, int Bateria,int Velocidad){ this.miNombre = Nombre; this.miBateria = Bateria; this.miVelocidad = Velocidad; }
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Differences between java.util.Date and java.sql.Date
Software Programming • java hibernate jpa • • yajahira

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It's for the information you get from each:java.util.Date = Represents an exact moment until the millisecond (2017 September 28 11:50:45)java.sql.Date = Represents only one date (2017 September 28)You usually use java.sql.Date to form the PrepareStatement, as the BD would not accept the info provided by java.util.Date.
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How can I create a java grid that allows me to autofilt the data as in dev express?
Software Programming • java • • Anderson

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Being a desktop app and not specifying that you use /questions/tagged/javafx Let's count on you. /questions/tagged/swing , the standard (for now) that comes with java and netbeans.For this you need a https://docs.oracle.com/javase/7/docs/api/javax/swing/JTable.html with https://docs.oracle.com/javase/7/docs/api/javax/swing/RowSorter.html to perform the ordination, apart from using:One https://docs.oracle.com/javase/7/docs/api/javax/swing/table/TableModel.html with data to fill the tableA https://docs.oracle.com/javase/7/docs/api/javax/swing/JFrame.html to show it First the data to display (this in your application you can perform dynamically collecting BBDD data)// titulos private final static String nombresDeColumna[] = { "Nombre", "Apellido", "Edad" }; // datos private final static Object[][] datos = { { "Jordi", "Castilla", 35 }, { "Mymike", "Mine", 25 }, { "Luiggi", "Mendoza", 40 }, { "Super", "Falete", 60 } }; Now the class main. To keep me from rolling and to be easier to understand, I'm going to comment between lines. // creamos el modelo con los datos TableModel modelo = new DefaultTableModel(datos, nombresDeColumna) { private static final long serialVersionUID = 1L; public Class<?> getColumnClass(int column) { return getValueAt(0, column).getClass(); } }; // creamos la Table basados en el modelo de datos que hemos creado JTable table = new JTable(modelo); // ordenacion de filas (por defecto, al ser tipos primitivos) TableRowSorter<TableModel> sorter = new TableRowSorter<TableModel>(modelo); table.setRowSorter(sorter); // creamos un scroll y le añadomos la tabla JScrollPane scrollPane = new JScrollPane(table); // contenedor principal JFrame frame = new JFrame("Tabla con filtros"); // le decimos que cierre frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // añadimos la tabla frame.add(scrollPane); // tamaño frame.setSize(500, 150); // mostramos frame.setVisible(true); The result, as you can see, is a table with adjustable and interchangeable columns https://docs.oracle.com/javase/7/docs/api/javax/swing/RowSorter.html (you can't run it online as it doesn't have a graphic engine)NOTES: Necessary costs import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableModel; import javax.swing.table.TableRowSorter; I hope no one gets offended by age :P .If you have doubts, https://www.youtube.com/watch?v=QO7KYyDSkXA :).
Invocation difference of an interface in Java
Software Programming • java poo • • Alberto

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Internally for Java there is no difference, in both cases you create an object which is stored in memory, the only difference is the utility that the programmer will give you, that is, imagine that you use the sentence new ClaseEJ().setVisible(true); and then by X need you need to assign to that same object a new value, the fact is that as a programmer you won't be able to do it since you don't have to invoke it anywhere else in your code. The scenario I pose to you is not really a problem since you can still declare the object as an "anonymous class" giving you the freedom to assign multiple values to the object you use in question.If you want to know more about "anonymous classes" you can consult: http://www.hijosdelspectrum.com/2019/01/clases-anonimas.html
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Poner JFileChooser in Spanish
Software Programming • java arc languagehivo diálogo idioma • • Cleofas

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Maybe it's because you're using your OS in English, but if not, JFileChooser uses the language specified by the property -Duser.language with which you should start JVM with that parameter indicating a supported language. Suppose my main class is called Dialogo:Run in Spanish with: java -Duser.language=es Dialogo Italian: java -Duser.language=it Dialogo German: java -Duser.language=de Dialogo Frances: java -Duser.language=fr Dialogo
How do you replace the button's bait after it's pressed?
Software Programming • java android • • jeanid

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Try this:boolean btnColor = true; ♪ ♪ ♪ light.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if(event.getAction() == MotionEvent.ACTION_DOWN){ light.setTextColor(Color.RED); } if (event.getAction() == MotionEvent.ACTION_UP){ if(btnColor){light.setTextColor(Color.BLUE); btnColor = false;} else {light.setTextColor(Color.GREEN); btnColor = true;} } return false; } }); In your case, just prepare the necessary images, for example, in the folder drawable and use them when you change your condition. For example: boolean btnColor = true; ♪ ♪ ♪ light.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if(event.getAction() == MotionEvent.ACTION_DOWN){ light.setBackgroundResource(R.drawable.light_on); } if (event.getAction() == MotionEvent.ACTION_UP){ if(btnColor){light.setBackgroundResource(R.drawable.light_off_1); btnColor = false;} else {light.setBackgroundResource(R.drawable.light_off_2); btnColor = true;} } return false; } });
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The program falls under the pressure of the button.
Software Programming • java android • • Saumya

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TeamScore.setText(tmp); Change.TeamScore.setText(String.valueOf(tmp)); TextView Method https://developer.android.com/reference/android/widget/TextView.html#setText(int) that accepts the id resource cannot and fall.PS (1) Don't call the variables with the big letter. TextView TeamScore, java, the convention clearly regulates this point.(2) Don't put a listener in. xml android:onClick=I don't know when it might be more comfortable than that. setOnClickListener()(3) You don't have to call each time in the click. findViewByIdWe have to declare the textView a field of class and call for findViewById once onCreate() (4) I don't know why. int ResID = getResources().getIdentifier(teamId, "id", getPackageName()); TextView TeamScore = (TextView) findViewById(ResID); I think that's enough. TextView TeamScore = (TextView) findViewById(R.id.a_team_score);

Java Difference between grids and designers

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