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How to return raw string with ApiController?
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Just return Ok(value) won't work, it will be treated as IEnumerable<char>.
Instead use return Ok(new { Value = value }) or simillar.
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MySQL indexes - what are the best practices?
...t them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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SQL is null and = null [duplicate]
...e t (x int, y int);
insert into t values (null, null), (null, 1), (1, 1);
select 'x = null' as test , x, y from t where x = null
union all
select 'x != null', x, y from t where x != null
union all
select 'not (x = null)', x, y from t where not (x = null)
union all
select 'x = y', x, y from t where ...
How to print to console when using Qt
... stream than stderr.)
NOTE: All of the Qt print methods assume that const char* arguments are ISO-8859-1 encoded strings with terminating \0 characters.
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How do I test which class an object is in Objective-C?
...objective-c runtime api:
#import <objc/runtime.h>
/* ... */
const char* className = class_getName([yourObject class]);
NSLog(@"yourObject is a: %s", className);
EDIT: In Swift
if touch.view is UIPickerView {
// touch.view is of type UIPickerView
}
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How do I compare strings in Java?
...contentEquals() compares the content of the String with the content of any CharSequence (available since Java 1.5). Saves you from having to turn your StringBuffer, etc into a String before doing the equality comparison, but leaves the null checking to you.
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How do I delete a fixed number of rows with sorting in PostgreSQL?
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You could try using the ctid:
DELETE FROM logtable
WHERE ctid IN (
SELECT ctid
FROM logtable
ORDER BY timestamp
LIMIT 10
)
The ctid is:
The physical location of the row version within its table. Note that although the ctid can be used to locate the row version very quickly,...
How to convert a selection to lowercase or uppercase in Sublime Text
I have several strings selected in a file in Sublime Text and I want to convert them all to lowercase.
5 Answers
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How to get all options of a select using jQuery?
How can I get all the options of a select through jQuery by passing on its ID?
17 Answers
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Android device does not show up in adb list [closed]
... Android Nougat: Settings -> Developer options -> Networking -> Select USB Configuration. Changing it to MTP worked for me.
– sffc
Sep 5 '17 at 1:54
6
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