大约有 13,000 项符合查询结果（耗时：0.0266秒） [XML]
Allow user to select camera or gallery for image
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How to launch a single Intent to select images from either the Gallery or the Camera, or any application registered to browse the filesystem.
Rather than creating a Dialog with a list of Intent options, it is much better to use Intent.createChooser in order...
How do I create a ListView with rounded corners in Android?
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It doesn't work well with selection-highlighting though: When top or bottom item is selected, it's colored background is rectangular and drawn on top of the round-cornered background.
– Kris Van Bael
Jul 27 '11 a...
Get names of all files from a folder with Ruby
...ng subdirectories and ".", ".." dotted folders:
Dir.entries("your/folder").select { |f| File.file? File.join("your/folder", f) }
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Find closing HTML tag in Sublime Text
...trl+Shift+A for Windows and Linux users, Command+Shift+A for Mac users) to select the whole block within the currently selected tag.
For example, if you pressed this while your text cursor was within the outer div tag in the code below, all the divs with class selected would be selected.
<div c...
Html List tag not working in android textview. what can i do?
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Instead of using the pasted bullet character, it may be better to use the unicode character: output.append("\n\t\u2022");
– Matt McMinn
Mar 10 '13 at 17:14
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Where to put include statements, header or source?
...g.
typedef union {
unsigned long l;
unsigned short lw[2];
unsigned char lb[4];
} U_QUAD;
(Yes, I know I'd be in trouble if I moved to a big-endian architecture, but since my compiler doesn't allow anonymous structs in unions, using named identifiers for the bytes within the union would req...
How to quickly open a file in Visual Studio 2012
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This would be perfect if it would clear the selection after opening the file. As it is, having to manually clear it with the mouse makes it nearly useless. :-( I want a sublime text style onebox open file/search symbol/goto line addin for VS.
– Ch...
Select parent element of known element in Selenium
I have a certain element that I can select with Selenium 1.
7 Answers
7
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Check if a Postgres JSON array contains a string
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As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using ...
Checking if a SQL Server login already exists
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From here
If not Exists (select loginname from master.dbo.syslogins
where name = @loginName and dbname = 'PUBS')
Begin
Select @SqlStatement = 'CREATE LOGIN ' + QUOTENAME(@loginName) + '
FROM WINDOWS WITH DEFAULT_DATABASE=[PUBS], DEFAULT...