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Why can't I forward-declare a class in a namespace using double colons?
... r s t u v w x y z
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z _
digit: one of
0 1 2 3 4 5 6 7 8 9
Which is the production of the common scheme [a-zA-Z_][a-zA-Z0-9_]* we are all familiar with. As you can see, this precludes class foo::bar; from being a valid forward declaration, bec...
Get controller and action name from within controller?
... edited Apr 30 '14 at 17:02
L_7337
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answered Aug 15 '13 at 8:06
An...
How to programmatically set drawableLeft on Android button?
...he button:
val drawable = ContextCompat.getDrawable(context, R.drawable.ic_favorite_white_16dp)
button.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null)
.
• Important Point in Using Android Vector Drawable
When you are using an android vector drawable and want to have backwa...
Can I target all tags with a single selector?
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¯_(ツ)_/¯ "can" != "should". Even so, the Sass/LESS options give you extensibility that vanilla CSS does not. Think of something like font-size: (48px / @index).
– Steve
Jul 21 '16 at...
How to reset sequence in postgres and fill id column with new data?
...ich explains the ALTER SEQUENCE command ... so I changed 'seq' by mytable_id_seq where 'mytable' is my table name and 'id' is the name of my serial column
– Javi
May 4 at 9:19
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Where does PostgreSQL store the database?
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To see where the data directory is, use this query.
show data_directory;
To see all the run-time parameters, use
show all;
You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this...
Trim spaces from end of a NSString
...opy];
//pass it by reference to CFStringTrimSpace
CFStringTrimWhiteSpace((__bridge CFMutableStringRef) stringToTrim);
//stringToTrim is now "i needz trim"
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How do I get the information from a meta tag with JavaScript?
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To get it working with OG tags add quotes to it like this_: var title = document.head.querySelector('[property="og:title"]');
– arpo
May 8 '17 at 8:21
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What is the equivalent of 'describe table' in SQL Server?
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You can use the sp_columns stored procedure:
exec sp_columns MyTable
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Split string on the first white space occurrence
...:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split#Capturing_parentheses
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