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What are the differences between Rust's `String` and `str`?
...at can modify a &mut str in place, mostly those that handle only ASCII characters, like make_ascii_uppercase.
2 Dynamically sized types allow things like Rc<str> for a sequence of reference counted UTF-8 bytes since Rust 1.2. Rust 1.21 allows easily creating these types.
...
How do I get the current username in Windows PowerShell?
...g the PowerShell instance)
$(Get-WMIObject -class Win32_ComputerSystem | select username).username -- @TwonOfAn on this other forum
Comparison
@Kevin Panko's comment on @Mark Seemann's answer deals with choosing one of the categories over the other:
[The Windows access token approach] is ...
Is it possible to break a long line to multiple lines in Python [duplicate]
...or you will get a list of strings instead of one long string:
queryText= "SELECT * FROM TABLE1 AS T1"\
"JOIN TABLE2 AS T2 ON T1.SOMETHING = T2.SOMETHING"\
"JOIN TABLE3 AS T3 ON T3.SOMETHING = T2.SOMETHING"\
"WHERE SOMETHING BETWEEN <WHATEVER> AND <WHATEVER ELSE>"\
"ORDER BY WHATEVERS DE...
Laravel Eloquent: Ordering results of all()
...
Note, you can do:
$results = Project::select('name')->orderBy('name')->get();
This generate a query like:
"SELECT name FROM proyect ORDER BY 'name' ASC"
In some apps when the DB is not optimized and the query is more complex, and you need prevent gener...
Notepad++ - How can I replace blank lines [duplicate]
...
Press Ctrl+H (Replace)
Select Extended from SearchMode
Put \r\n\r\n in Find What
Put \r\n in ReplaceWith
Click on Replace All
share
|
improve t...
iphone: Where the .dSYM file is located in crash report
...
You can locate .dSYM and application binary file in archive.
Select Window -> Organizer
This will open up Organizer window containing last created Archive of project
Right click on Archive and select 'Show in Finder'
Select 'Show Package Content' for archive
Project.xcarchive...
How many database indexes is too many?
...
It depends on the operations that occur on the table.
If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since t...
How to add MVC5 to Visual Studio 2013?
...onger has separate project types for different ASP.Net features.
You must select .NET Framework 4.5 (or higher) in order to see the ASP.NET Web Application template (For ASP.NET One).
So just select Visual C# > Web > ASP.NET Web Application, then select the MVC checkbox in the next step.
Not...
What's the fastest way to do a bulk insert into Postgres?
...200, 300]),
UNNEST(ARRAY['a', 'b', 'c'])
);
without VALUES using subselect with additional existance check:
INSERT INTO tablename (fieldname1, fieldname2, fieldname3)
SELECT * FROM (
SELECT UNNEST(ARRAY[1, 2, 3]),
UNNEST(ARRAY[100, 200, 300]),
UNNEST(ARRAY['a', 'b...
How can I use the $index inside a ng-repeat to enable a class and show a DIV?
...
The issue here is that ng-repeat creates its own scope, so when you do selected=$index it creates a new a selected property in that scope rather than altering the existing one. To fix this you have two options:
Change the selected property to a non-primitive (ie object or array, which makes jav...