Posts in 2021
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Most votes on database questions 2
May 01, 2021 in FAQ
Most votes on database questions 2. #11 Difference between scaling horizontally and vertically for databases #12 MongoDB vs. Cassandra #13 What are the best practices for SQLite on Android? #14 'IF' in 'SELECT' statement - choose output value based on column values #15 Multiple Indexes vs Multi-Column Indexes #16 How to drop columns using Rails migration #17 Difference between rake db:migrate db:reset and db:schema:load #18 Solutions for INSERT OR UPDATE on SQL Server #19 How to get size of mysql database? #20 Do you use source control for your database items?
Read all the top votes questions and answers in a single page. #11: Difference between scaling horizontally and vertically for databases (Score: 771) Created: 2012-07-29 Tags: database, database-design, nosql, scalability I have come across many …
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Most votes on database questions 10
May 01, 2021 in FAQ
Most votes on database questions 10. #91 How can I put a database under git (version control)? #92 What is the difference between JOIN and UNION? #93 What are database normal forms and can you give examples? #94 Is there any boolean type in Oracle databases? #95 Why do you create a View in a database? #96 Max length for client ip address #97 Extreme wait-time when taking a SQL Server database offline #98 Version of SQLite used in Android? #99 Does MySQL index foreign key columns automatically? #100 Why is SELECT * considered harmful?
Read all the top votes questions and answers in a single page. #91: How can I put a database under git (version control)? (Score: 291) Created: 2009-05-11 Last updated: 2009-05-11 Tags: database, git, version-control, postgresql I’m doing a web …
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Most votes on database questions 1
May 01, 2021 in FAQ
Most votes on database questions 1. #1 What is the difference between "INNER JOIN" and "OUTER JOIN"? #2 How does database indexing work? #3 Insert into … values ( SELECT … FROM … ) #4 What are the options for storing hierarchical data in a relational database? #5 How to list the tables in a SQLite database file that was opened with ATTACH? #6 How do I quickly rename a MySQL database (change schema name)? #7 MyISAM versus InnoDB #8 What's the difference between identifying and non-identifying relationships? #9 Database, Table and Column Naming Conventions? #10 Reset identity seed after deleting records in SQL Server
Read all the top votes questions and answers in a single page. #1: What is the difference between "INNER JOIN" and "OUTER JOIN"? (Score: 4882) Created: 2008-09-01 Last updated: 2019-02-13 Tags: sql, database, join, inner-join, …
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Most votes on dart questions 9
May 01, 2021 in FAQ
Most votes on dart questions 9. #81 How do I initialize a final class property in a constructor? #82 Flutter SVG rendering #83 Sort a list of objects in Flutter (Dart) by property value #84 flutter corner radius with transparent background #85 How to work with progress indicator in flutter? #86 How do I call a super constructor in Dart? #87 Does Dart support enumerations? #88 Flutter get context in initState method #89 incorrect use of parent data widget. expanded widgets must be placed inside flex widgets #90 List firstWhere Bad state: No element
Read all the top votes questions and answers in a single page. #81: How do I initialize a final class property in a constructor? (Score: 101) Created: 2017-03-17 Last updated: 2018-09-12 Tags: constructor, dart, final In Java you are allowed to do …
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Most votes on dart questions 8
May 01, 2021 in FAQ
Most votes on dart questions 8. #71 How do I combine two lists in Dart? #72 How to get height of a Widget? #73 How to get a timestamp in Dart? #74 Dart: mapping a list (list.map) #75 How to make flutter app responsive according to different screen size? #76 How to Determine the Screen Height and Width in Flutter #77 Do you need to use the "new" keyword in Dart? #78 Dart How to get the "value" of an enum #79 How to capitalize the first letter of a string in dart? #80 How do I set the background color of my main screen in Flutter?
Read all the top votes questions and answers in a single page. #71: How do I combine two lists in Dart? (Score: 109) Created: 2014-02-17 Last updated: 2020-11-15 Tags: list, generics, dart, concatenation I was wondering if there was an easy way to …
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Most votes on dart questions 7
May 01, 2021 in FAQ
Most votes on dart questions 7. #61 What is the relation between stateful and stateless widgets in Flutter? #62 setState() or markNeedsBuild called during build #63 Enumerate or map through a list with index and value in Dart #64 What are the ?? double question marks in Dart? #65 How to set Custom height for Widget in GridView in Flutter? #66 How do I do the "frosted glass" effect in Flutter? #67 type 'List<dynamic>' is not a subtype of type 'List<Widget>' #68 Couldn't locate lint-gradle-api-26.1.2.jar for Flutter project #69 Flutter: RenderBox was not laid out #70 Will Dart support the use of existing JavaScript libraries?
Read all the top votes questions and answers in a single page. #61: What is the relation between stateful and stateless widgets in Flutter? (Score: 118) Created: 2017-11-26 Last updated: 2018-09-09 Tags: dart, flutter, statefulwidget, statelesswidget …
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Most votes on dart questions 6
May 01, 2021 in FAQ
Most votes on dart questions 6. #51 Check whether there is an Internet connection available on Flutter app #52 How to check flutter application is running in debug? #53 Flutter remove all routes #54 How to convert a double to an int in Dart? #55 Flutter how to programmatically exit the app #56 Flutter: Setting the height of the AppBar #57 Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null) #58 How to change status bar color in Flutter? #59 What's the difference between async and async* in Dart? #60 InkWell not showing ripple effect
Read all the top votes questions and answers in a single page. #51: Check whether there is an Internet connection available on Flutter app (Score: 126) Created: 2018-04-04 Last updated: 2019-09-18 Tags: flutter, dart, flutter-plugin I have a network …
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Most votes on dart questions 5
May 01, 2021 in FAQ
Most votes on dart questions 5. #41 How does the const constructor actually work? #42 How to format DateTime in Flutter , How to get current time in flutter? #43 Space between Column's children in Flutter #44 Flutter- wrapping text #45 How to perform runtime type checking in Dart? #46 Flutter: How to correctly use an Inherited Widget? #47 How can I "sleep" a Dart program #48 Force Flutter navigator to reload state when popping #49 How do I bold (or format) a piece of text within a paragraph? #50 Flutter: Expanded vs Flexible
Read all the top votes questions and answers in a single page. #41: How does the const constructor actually work? (Score: 143) Created: 2014-02-13 Last updated: 2019-06-27 Tags: dart I’ve noticed it’s possible to create a const …
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Most votes on dart questions 4
May 01, 2021 in FAQ
Most votes on dart questions 4. #31 Flutter: how to make a TextField with HintText but no Underline? #32 Flutter: Run method on Widget build complete #33 Show/hide widgets in Flutter programmatically #34 Passing Data to a Stateful Widget #35 How to use conditional statement within child attribute of a Flutter Widget (Center Widget) #36 How do I parse a string into a number with Dart? #37 Visual Studio Code - Target of URI doesn't exist 'package:flutter/material.dart' #38 Multi-line Textfield in flutter #39 How can I add shadow to the widget in flutter? #40 How do you round a double in Dart to a given degree of precision AFTER the decimal point?
Read all the top votes questions and answers in a single page. #31: Flutter: how to make a TextField with HintText but no Underline? (Score: 169) Created: 2018-03-01 Last updated: 2020-11-06 Tags: flutter, dart, textfield, underline, hint This is …
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Most votes on dart questions 3
May 01, 2021 in FAQ
Most votes on dart questions 3. #21 List use of double dot (.) in dart? #22 How to add a ListView to a Column in Flutter? #23 Flutter - Wrap text on overflow, like insert ellipsis or fade #24 How do I generate random numbers in Dart? #25 What is the difference between named and positional parameters in Dart? #26 How do I disable a Button in Flutter? #27 How do I Set Background image in Flutter? #28 Passing data to StatefulWidget and accessing it in it's state in Flutter #29 What is the difference between functions and classes to create reusable widgets? #30 Flutter command not found
Read all the top votes questions and answers in a single page. #21: List use of double dot (.) in dart? (Score: 199) Created: 2018-03-23 Last updated: 2021-02-24 Tags: dart Sometimes I see this List list = []; Then list..add(color) What’s the …