大约有 41,000 项符合查询结果（耗时：0.0693秒） [XML]
What does the “map” method do in Ruby?
...
map, along with select and each is one of Ruby's workhorses in my code.
It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:
[...
Uninstalling Android ADT
...is to go to Help > About Eclipse/About ADT > Installation Details.
Select a plug-in you want to uninstall, then click Uninstall... button at the bottom.
If you cannot remove ADT from this location, then your best option is probably to start fresh with a clean Eclipse install.
...
What is The difference between ListBox and ListView
...ew, but you can easily create your own.
Another difference is the default selection mode: it's Single for a ListBox, but Extended for a ListView
share
|
improve this answer
|
...
Execute SQLite script
...return to my shell script, I think this works well:
$ sqlite3 example.db 'SELECT * FROM some_table;'
share
|
improve this answer
|
follow
|
...
How to Convert all strings in List to lower case using LINQ?
... So you'd want something like this:
List<string> lowerCase = myList.Select(x => x.ToLower()).ToList();
share
|
improve this answer
|
follow
|
...
How do you reset the Zoom in Visual Studio 2010 and above
...
There is a select box for this at the bottom left of the editor window - choose 100% ;)
I was unable to find a keyboard shortcut for it, though zooming in and out can be done using Ctrl + > and Ctrl + <.
Please note the horizo...
Get the current displaying UIViewController on the screen in AppDelegate.m
...return [UIWindow getVisibleViewControllerFrom:[((UITabBarController *) vc) selectedViewController]];
} else {
if (vc.presentedViewController) {
return [UIWindow getVisibleViewControllerFrom:vc.presentedViewController];
} else {
return vc;
}
}
}...
Delete text in between HTML tags in vim?
... Also vat (or vit), followed by repeated at (or it) to progressively select surrounding tags . (Or v2at, etc). Then d to delete (etc).
– Joe Freeman
Feb 16 '17 at 17:09
...
Django - limiting query results
...)
In [23]: User.objects.all().order_by('-id')[:10]
(0.000) SELECT "auth_user"."id", "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name", "auth_user"."email", "auth_user"."password", "auth_user"."is_staff", "auth_user"."is_active", "auth_user"."is_superuser", "au...
How do I change the color of the text in a UIPickerView under iOS 7?
...IColor whiteColor]}];
return attString;
}
If you want to change the selection bar colors as well, I found that I had to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attrib...