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Update of GTK view

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Jolied last edited by

That's what I'm making. Gtk.Notebook♪ Next, when a certain button is pressed, a new deposit must be added (the button is already in existence and even finished), but the deposit does not appear as the contents. Is there any way we can rewrite a view or do something else with him to make the deposit look?
P. S. You can give examples on C and Python. And C+++. I'll understand them, too.
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zymir last edited by

Help you. notebook.show_all ();
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Python - update() failure to join dictionaries
Software Programming • python dic languagetionary sql update • • Saumya

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Come on, first you have to understand how a dictionary works.The dictionary has the following structure:Dicionário[Chave] = valor or can also be shown as follows:Dicionário = {Chave: valor} Keys in a Dictionary are only, there is no way to duplicate a key in a dictionary.In short, if I make a dictionary with a key X and Y value, and then use the same key with a Z value, it will overwrite the Y value that was within the key, as it is not possible to create a key that already has in the dictionary; just modify it or overwrite it.From what I saw in your most recommended script is to create dictionaries within the dictionary, using the name of the person as indentification:Example:Dicionario['Antonio'] = {} Dicionario['Antonio']['jogo'] = valor ... Going...Dictionary serves exactly to facilitate the search, and if you are doing a user dictionary, what is the best way to search them in the dictionary? using CPF, user name, user id in the database...An example that I use quite at work is to use dictionaries to divide users by state. Example: # pegar todos e-mails de clientes de São Paulo for i in dicionario['SP'] i['e-mail'] But that's it, good luck.
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Remembrance under the links is slower than the vector? C++
Software Programming • c++ vector remember producer linked list • • Cleofas

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In general, yes, in specific cases, we must measure.For example, compare the time of implementation vector<int> v; ... vector<int> n {v.begin(),v.end() }; and list<int> n {v.begin(),v.end() }; See. https://ideone.com/w68bVP - as you suggest:P.S. Since @avp doubted that the speed would be higher when the vector was remembranced, we would try to record the elements in one.With the same result, https://ideone.com/pihc47
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How do you put string in the file?
Software Programming • c++ lines • • fbio

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Just... f << lastch; It doesn't work, it doesn't record anything.Half of the commentaries work fine, half of them only work with half of them. f.close()although files are supposed to be closed automatically when they leave the program.It's an old question, but since he's on the front page, I'll write an answer. Maybe someone needs it.std::ofstream usually makes a record of the file. <<♪Instead, for the record to be faster, he uses it. buffer - Accumulating in memory (in the so-called buffer) the symbols coming and from time to time (in default when the symbol meets \n(d) Record them on the disk once (when the buffer is cleaned and the process is repeated). When the file is closed, the contents of the buffer are also recorded on the CD.When the object is std::ofstream destroyed, the file closes automatically. main♪The problem here is that If the programme is up _getch() (or something like that) and close to the cross.it usually ends immediately. With such an abnormal completion files not properly closed (because there's no site destruct) and the contents of their buffers are not recorded on the disk and lost♪If you press any keyboard (or Introductionin case std::cin.get()) and to give the programme a normal end, there will be no problem.(There's a disagreement in the comments. Some people are pushing. IntroductionPart - cross.)If you want to close the program to the cross, you need to close the files in advance, through. f.close();♪ Either. << std::flush after withdrawal.
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Oracle. the relationship between job that changes data (update) and the error in the operation of trigger (after update) .
Software Programming • oracle trigger transaction • • gionna

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Trigger is performed in the same transaction as the update. So a trigger error, if not processed, leads to an error in the entire operation. UPDATE and retrieve the transaction.
Update view automatically - Angular
Software Programming • angular • • Alberto

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I used the selection this way to work properly with the ngModelChangue.<select id="grupo" name="grupo" [(ngModel)]="seleccion.grupo" (ngModelChange)="actualizarUsuarios()"> <option *ngFor="let grupo of grupos" [ngValue]="grupo.id"> {{grupo.name}} </option> </select> <select [(ngModel)]="seleccion.usuario"> <option *ngFor="let usuario of usuarios" value="{{usuario['id']}}">{{usuario['username']}}</option> </select>In the option instead of handling a value, serious [ngValue] with the value of the group
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Ionic 3 *ngIf does not update the view
Software Programming • if ionic language3 visits • • baileigh

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I finally got it with the events... I created in the home builder: events.subscribe('actualiza', loading => { this.loadingLocal=loading; }); And in the component builder:events.publish("actualiza", this.loading,1); Every time I change the loading value in the component, I call the event:events.publish("actualiza", this.loading,1); And so the page finds out and renders again. ..
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Bd data as variables
Software Programming • python sqlite sqlite3 • • jonetta

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Here's a little example, of course, without knowing what you need and not seeing your attempts, it's hard to judge what you're not:import sqlite3 con = sqlite3.connect(":memory:") cur = con.cursor() cur.executescript("create table table1(human,money);") cur.execute("insert into table1(human, money) values ('Леонид Михельсон', 24000 );") cur.execute("insert into table1(human, money) values ('Владимир Лисин', 21300 );") cur.execute("insert into table1(human, money) values ('Вагит Алекперов', 20700 );") cur.execute("insert into table1(human, money) values ('Алексей Мордашов и семья', 20500 );") cur.execute("insert into table1(human, money) values ('Геннадий Тимченко', 20100 );") cur.execute("insert into table1(human, money) values ('Владимир Потанин', 18100 );") cur.execute("insert into table1(human, money) values ('Михаил Фридман', 15000 );") cur.execute("insert into table1(human, money) values ('Андрей Мельниченко', 13800 );") cur.execute("insert into table1(human, money) values ('Алишер Усманов', 12600)") cur.execute("insert into table1(human, money) values ('Роман Абрамович', 12400 );") cur.execute("insert into table1(human, money) values ('Виктор Вексельберг', 11500 );") cur.execute("insert into table1(human, money) values ('Михаил Прохоров', 9800 );") cur.execute("insert into table1(human, money) values ('Герман Хан', 9700 );") cur.execute("insert into table1(human, money) values ('Виктор Рашников', 8900 );") cur.execute("insert into table1(human, money) values ('Леонид Федун и семья', 8700 );") делаем из результата массив rows = [row for row in con.execute('SELECT * FROM table1 ORDER BY money DESC LIMIT 10;')] выводим print(rows) con.close() The conclusion will be:[('Леонид Михельсон', 24000), ('Владимир Лисин', 21300), ('Вагит Алекперов', 20700), ('Алексей Мордашов и семья', 20500), ('Геннадий Тимченко', 20100), ('Владимир Потанин', 18100), ('Михаил Фридман', 15000), ('Андрей Мельниченко', 13800), ('Алишер Усманов', 12600), ('Роман Абрамович', 12400)] still.[first, num2, num3, num4, num5, num6, num7, num8, num9, last ] = rows print(first) print(last) The conclusion will be:('Леонид Михельсон', 24000) ('Роман Абрамович', 12400)
ListView not updated
Software Programming • c sharp wpf • • Marcee

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Probably your properties. Resistances Not leaving an event. PropertyChanged♪ In order to make the data up-to-date work, your properties look like,public ObservableCollection<string> Items { get { return _items; } set { if (_items != value) { _items = value; OnPropertyChanged("Items"); } } } private ObservableCollection<string> _items; XAML:<ListView ItemsSource="{Binding Items, UpdateSourceTrigger=PropertyChanged}"/> UPDATEYeah, you got it. You've got about the following:You create a character-collecture and tie it to ListView.You create a new collection and attribute it, but the link is not updated, because your properties have not changed formally (the propertyChanged has not been abandoned).I prefer to use a lazy initialization of collections without setter's.public ObservableCollection<string> Items { get { return _items ?? (_items = new ObservableCollection<string>()); } } private ObservableCollection<string> _items; And then clean it up and fill it in.
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The view on the page of the new element is not updated
Software Programming • javascript library knockoutjs • • derk

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Change:studentsList: { foreach: students }, On:studentsList: { foreach: self.students },
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Establishment of View near other View
Software Programming • ios xcode objective c • • Oba22

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not to be inserted, the belt shall be or shall be higher or lower (z order) of the neighbouring wine. Try to hide your view after the click. Plus, look at the cause of the sin. Maybe there's another reason.
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How do you find the element index on the list?
Software Programming • c language • • amarantha

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The very function of searching the index:int indexInList(list *lt, int val) { int ret = -1; int i = 0; Node* current = lt->head; while(current != NULL) { if( current->data == val) { ret = i; break; } i++; current = current->next; } return ret; } And her end-of-life testing main(s)val =8; j = indexInList(st, val); if (-1 != j) printf("Значение %d найдено по индексу %d\n", val, j); else printf("Ничего не найдено!\n");
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Panda does not create new lines in Worksheet
Software Programming • python python 3.x pandas excel • • nishika

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I could not reproduce the problem with a valid list, the following works:import pandas as pd df = pd.DataFrame({'NAME':['Pedro', 'Joaquim'],'OAB':['123', '321']}) writer = pd.ExcelWriter('OABScrapperExcel.xlsx',engine = 'xlsxwriter') df.to_excel(writer,sheet_name='LIST OF LAWYERS') writer.save() What I believe is happening is that you have no lists, but a JSON string for each of the fields.Thus, it could be repaired by carrying the JSONs and turning them into lists:import json ... df = pd.DataFrame({'NAME': json.loads(Lawyer_Name),'OAB':json.loads(Lawyer_OAB)})
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♪ Some kind of int ♪
Software Programming • c++ • • chanisef

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It's simple:Test_value->VaString(std::string(i, ' ') + b); // Или `+ "B"`. If the parameter of this function is... const char *Not std::stringThen it's like,Test_value->VaString((std::string(i, ' ') + b).c_str());
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How do we update some of the lines in the request? Choice UPDATE mysql
Software Programming • mysql update insert • • emran

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UPDATE contacts SET a = ?, b = ?; WHERE can be added
MongoDB update by SQL UPDATE from join values
Software Programming • sql server sql mongodb mongodb query • • irl

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Yeah, turn to the mongo documentation. Either way. update Changes only one table at the same time as SQL DB. If you want update by list key, look. https://docs.mongodb.com/manual/reference/method/db.collection.update/#examples Parameter Type Descriptionquery document Choice criteria update Same as the method. find ()♪

Update of GTK view

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