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Sqlite primary key on multiple columns
... keys in any DBMS.
create table foo
(
fooint integer not null
,foobar string not null
,fooval real
,primary key (fooint, foobar)
)
;
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SSRS chart does not show all labels on Horizontal axis
...on the category was alphabetic on the category group which was basically a string code. But sometimes it can be useful to sort by some other characteristic of the data; for example, my report is of Average and Maximum processing times for messages identified by some code (the category). By setting ...
Regular Expressions- Match Anything
...ers that are either whitespace or non-whitespace" - effectively "match any string".
Another option that only works for JavaScript (and is not recognized by any other regex flavor) is [^]* which also matches any string. But [\s\S]* seems to be more widely used, perhaps because it's more portable.
...
Error 1046 No database Selected, how to resolve?
...
one more note - make sure that the jdbc connection string contains the schema name and that schema is created already.
– Gaurav
Sep 3 at 21:16
add a co...
How to print the current Stack Trace in .NET without any exception?
...nostics.StackTrace is to use System.Environment.StackTrace which returns a string-representation of the stacktrace.
Another useful option is to use the $CALLER and $CALLSTACK debugging variables in Visual Studio since this can be enabled run-time without rebuilding the application.
...
Create a List of primitive int?
...
No you can't. You can only create List of reference types, like Integer, String, or your custom type.
It seems I can do List myList = new ArrayList(); and add "int" into this list.
When you add int to this list, it is automatically boxed to Integer wrapper type. But it is a bad idea to use r...
The 'Access-Control-Allow-Origin' header contains multiple values
...ing a space-separated list of origins, it is either a single origin or the string "null"." w3.org/TR/cors/#access-control-allow-origin-response-header
– Nux
Nov 5 '15 at 16:22
...
jQuery ajax error function
...o login page or whatever our business logic requires.
exception:
This is string variable which shows the exception type. So, if we are getting 404 error, exception text would be simply 'error'. Similarly, we might get 'timeout', 'abort' as other exception texts.
Deprecation Notice: The jqXHR...
How to get current language code with Swift?
...
Cannot assign value of type 'String' to type 'Locale?'
– Puji Wahono
Jul 4 '19 at 7:40
2
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When should I use the assets as opposed to raw resources in Android?
...sets folder is slower since you will need to get a handle to it
based on a String. However some operations are more easily done by
placing files in this folder, like copying a database file to the
system’s memory. There’s no (easy) way to create an Android XML
reference to files inside the Asset...