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C++ Modules - why were they removed from C++0x? Will they be back later on?
... int add(int a, int b);
}
}
void not_exported_function(char* foo);
An important change of modules will be that macros and preprocessor definitions will be local to modules and will not be exported. Thus macros do not have any impact on imported modules:
#define FILE "my/file"
...
When should I use a table variable vs temporary table in sql server?
... source for the data inserted to the table is from a potentially expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan.
If you need the data in the table to survive a rollback of an outer user transaction then use a table variab...
Database development mistakes made by application developers [closed]
... the log output from Hibernate and you'll see all the queries begin with:
SELECT DISTINCT ...
This is a bit of a shortcut to ensuring you don't return duplicate rows and thus get duplicate objects. You'll sometimes see people doing this as well. If you see it too much it's a real red flag. Not...
Execute raw SQL using Doctrine 2
...public function getAuthoritativeSportsRecords()
{
$sql = "
SELECT name,
event_type,
sport_type,
level
FROM vnn_sport
";
$em = $this->getDoctrine()->getManager();
$stmt = $em->getConnection()->prepare($sql...
How to paste yanked text into the Vim command line
...nto your buffer.
Let's decompose: " is a Normal mode command that lets you select what register is to be used during the next yank, delete or paste operation. So ": selects the colon register (storing last command). Then p is a command you already know, it pastes the contents of the register.
cf. :...
sql “LIKE” equivalent in django query
... = table.objects.filter(string__contains='pattern')
The SQL equivalent is
SELECT ... WHERE string LIKE '%pattern%';
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How to stop a goroutine
...a signal, it quits.
quit := make(chan bool)
go func() {
for {
select {
case <- quit:
return
default:
// Do other stuff
}
}
}()
// Do stuff
// Quit goroutine
quit <- true
...
find vs find_by vs where
...irb(main):037:0> @kit = Kit.find_by(number: "3456")
Kit Load (0.9ms) SELECT "kits".* FROM "kits" WHERE "kits"."number" =
'3456' LIMIT 1
=> #<Kit id: 1, number: "3456", created_at: "2015-05-12 06:10:56",
updated_at: "2015-05-12 06:10:56", job_id: nil>
irb(main):038:0> @kit.upd...
How can I toggle word wrap in Visual Studio?
... Visual Studio behaves differently to other editors:
Triple click doesn't select whole line
Cut command doesn't delete whole line
Pressing End key twice does not move cursor to end of line
Unfortunately these bugs have been closed "lower priority".
If you'd like these bugs fixed, please vote for ...
What is “android.R.layout.simple_list_item_1”?
...r the individual rows. There are others with checkedtextviews for multiple selections, you can make custom layouts that include images, and multiple textviews for example. These android.R ones are just some easy to use, already created resources for you.
– Kevin Coppock
...