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mysql Foreign key constraint is incorrectly formed error
I have two tables, table1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if tab...
Find out what process registered a global hotkey? (Windows API)
...llAPI, ActiveX, CommCtrl;
procedure GetShellLinkHotKey;
var
LinkFile : WideString;
SL: IShellLink;
PF: IPersistFile;
HotKey : Word;
HotKeyMod: Byte;
HotKeyText : string;
begin
LinkFile := 'C:\Temp\Temp.lnk';
OleCheck(CoCreateInstance(CLSID_ShellLink, nil, CLSCTX_INPROC_SERVER, ISh...
What's the difference between TRUNCATE and DELETE in SQL
...to be faster than a DELETE.
Various system-specific issues have to be considered, as detailed below.
Statement type
Delete is DML, Truncate is DDL (What is DDL and DML?)
Commit and Rollback
Variable by vendor
SQL*Server
Truncate can be rolled back.
PostgreSQL
Truncate can be rolled back...
Maven: Non-resolvable parent POM
... the same directory (same project). But this doesn't solve this error. Any idea how to fix it?
– Praneeth Peiris
Apr 5 '19 at 9:26
...
How do I use prepared statements in SQlite in Android?
How do I use prepared statements in SQlite in Android?
5 Answers
5
...
Remove items from one list in another
...
You will also need using System.Linq; if you didn't have it before.
– yellavon
Mar 11 '15 at 20:28
1
...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...s).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex]
};
it should be:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex].value
};
Note: check Jason Kulatunga's answer, it quotes JQuery doc to explain why passing an HTML...
How to set background color of an Activity to white programmatically?
...ned
// within the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView();
// Set the color
root.setBackgroundColor(getResources().getColor(android.R.color.red));
...
How to remove padding around buttons in Android?
In my Android app, I have this layout:
17 Answers
17
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Override setter with arc
Did I correctly override the setter when ARC is enabled?
3 Answers
3
...