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Android: upgrading DB version and adding new table
.... However there is a better approach.
Write the needed changes in an sql file for each update as described in the link https://riggaroo.co.za/android-sqlite-database-use-onupgrade-correctly/
from_1_to_2.sql
ALTER TABLE books ADD COLUMN book_rating INTEGER;
from_2_to_3.sql
ALTER TABLE books RE...
Cycles in family tree software
... has many issues, such as incompatibility with same sex relations, incest, etc... Which in real life happens more often than you'd imagine (especially when going back in time to the 1700-1800).
We have modeled our family tree to what happens in the real world: Events (for example, births, weddings,...
How to annotate MYSQL autoincrement field with JPA annotations
... Pascal, you are right about that but something in my config files is just not right. Any other suggetions maybe, now that I have put new information and config files?
– trivunm
Nov 16 '10 at 22:17
...
multiple packages in context:component-scan, spring config
How can I add multiple packages in spring-servlet.xml file in context:component-scan element?
8 Answers
...
Rebuild IntelliJ project indexes
...
File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restart IntelliJ IDEA.
Caution: This might Remove local history.
...
How to avoid annoying error “declared and not used”
...all it
$ go get golang.org/x/tools/cmd/goimports
# -w to write the source file instead of stdout
$ goimports -w my_file.go
You should be able to run this from any half-way decent editor − for example for Vim:
:!goimports -w %
The goimports page lists some commands for other editors, and you typ...
How to install Xcode Command Line Tools
...able: Download failed. Downloadable: {
dependencies = (
);
fileSize = 141452226;
identifier = "Xcode.CLTools.10.8";
name = "Command Line Tools";
source = "http://adcdownload.apple.com/ios/ios_simulator__resigned/cltools_mountainliondp2_march12.dmg";
userInfo = {
...
How to check that a string is an int, but not a double, etc.?
PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
...
How to Programmatically Add Views to Views
... How would you create the view programmatically but by using an XML layout file you specifically wrote for this new view?
– SK9
Jan 18 '11 at 12:31
9
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Entity framework self referencing loop detected [duplicate]
...ase of ASP.net Core, you need to add new JsonOutputFormatter in Startup.cs file:
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc(options =>
{
options.OutputFormatters.Clear();
options.OutputFormatters.Add(new JsonOutpu...