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java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
... Log.v("MyFragmentActivity", "onFriendAddedAsyncTask/onPostExecute");
new Handler().post(new Runnable() {
public void run() {
fm = getSupportFragmentManager();
ft = fm.beginTransaction();
ft.remove(dummyFragment);
ft.co...
Convert string to symbol-able in ruby
... One can even do such outlandish things as :"cat and dog\n on a new line" without the need for to_sym.
– Michael Dorst
Dec 9 '13 at 9:42
3
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What are the benefits of dependency injection containers?
... most powerful design patterns, the gains are found as you continue to add new features to the system.
In short, large scale DI based applications are both easier to debug and easier to understand. While the Xml configuration is not 'compile time checked' all application services that this author ...
Why is this program valid? I was trying to create a syntax error
...
Perl has a syntax called "indirect method notation". It allows
Foo->new($bar)
to be written as
new Foo $bar
So that means
Syntax error ! exit 0;
is the same as
error->Syntax(! exit 0);
or
error->Syntax(!exit(0));
Not only is it valid syntax, it doesn't result in a run-time...
Remove CSS class from element with JavaScript (no jQuery) [duplicate]
...
@dzhioev - I believe because it is relatively new and not supported in older browsers (IE support starts at IE10)
– Tom Pietrosanti
Apr 5 '13 at 13:58
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Convert Rows to columns using 'Pivot' in SQL Server
...be useful for this purpose, basically this sp pivot any table and return a new table pivoted or return just the set of data, this is the way to execute it:
Exec dbo.rs_pivot_table @schema=dbo,@table=table_name,@column=column_to_pivot,@agg='sum([column_to_agg]),avg([another_column_to_agg]),',
...
Perform Segue programmatically and pass parameters to the destination view
...- preparing). I don't want to dirty the state when all I need is to open a new view with some data...
– NeverwinterMoon
Sep 27 '18 at 12:39
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...
using reseed new value = 1 after DELETE FROM would start all from ID 2, instead of 1. From Technet (technet.microsoft.com/en-us/library/ms176057%28SQL.90%29.aspx) If no rows have been inserted to the table since it was created, or all ...
How do you kill all current connections to a SQL Server 2005 database?
...k is that during the time that you are looping over the active connections new one can be established, and you'll miss those. You could instead use the following approach which does not have this drawback:
-- set your current connection to use master otherwise you might get an error
use master
ALT...
How to drop a table if it exists?
...ou can use
DROP TABLE IF EXISTS dbo.Scores
Reference: DROP IF EXISTS - new thing in SQL Server 2016
It will be in SQL Azure Database soon.
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