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Why is the shovel operator (
...erators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-place.
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How to trim a string in SQL Server before 2017?
... tab, LF and CR characters are being trimmed:
Declare @Test nvarchar(50) = Concat (' ', char(9), char(13), char(10), ' ', 'TEST', ' ', char(9), char(10), char(13),' ', 'Test', ' ', char(9), ' ', char(9), char(13), ' ')
DECLARE @TrimPattern nvarchar(max) = '%[^ ' + char(9) + char(13) + char(10) +']%'...
COALESCE Function in TSQL
...ore
values ('aa'),('bb'),('cc')
declare @str varchar (4000)
select @str = concat(@str+',',store_id) from @store
select @str
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Cleanest way to build an SQL string in Java
...letes, inserts, selects, that sort of thing) - instead of the awful string concat method using millions of "+"'s and quotes which is unreadable at best - there must be a better way.
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How can I get selector from jQuery object
...rn this.tagName; })
.get()
.reverse()
.concat([this.nodeName])
.join(">");
var id = $(this).attr("id");
if (id) {
selector += "#"+ id;
}
var classNames = $(this).attr("class");
if (cla...
How to get ID of the last updated row in MySQL?
...E footable
SET foo = 'bar'
WHERE fooid > 5
AND ( SELECT @uids := CONCAT_WS(',', fooid, @uids) );
SELECT @uids;
This will return a string with all the IDs concatenated by a comma.
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?? Coalesce for empty string?
...he same operation (find first non-null value). Joining strings together is concatenation.
– Cameron Forward
Jan 29 '18 at 0:01
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How to sort an array by a date property
... for (var i=this.length;i;){
var o = this[--i];
this[i] = [].concat(f.call(o,o,i),o);
}
this.sort(function(a,b){
for (var i=0,len=a.length;i<len;++i){
if (a[i]!=b[i]) return a[i]<b[i]?-1:1;
}
return 0;
});
for (var i=this.length;i;){
...
How to add anything in through jquery/javascript?
...
You can use innerHTML to just concat the extra field string;
document.head.innerHTML = document.head.innerHTML + '<link rel="stylesheet>...'
However, you can't guarantee that the extra things you add to the head will be recognised by the browser ...
“Invalid JSON primitive” in Ajax processing
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If I had to write code like that (string concat) to create JSON objects, I would kill myself (figuratively speaking). There has to be a better way.
– PandaWood
Feb 20 '13 at 23:32
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