大约有 40,000 项符合查询结果（耗时：0.0251秒） [XML]
Oracle: how to UPSERT (update or insert into a table?)
...hioned way"):
begin
insert into t (mykey, mystuff)
values ('X', 123);
exception
when dup_val_on_index then
update t
set mystuff = 123
where mykey = 'X';
end;
share
|
...
How do I use itertools.groupby()?
... edited Jul 29 at 20:57
Seanny123
5,70277 gold badges4949 silver badges100100 bronze badges
answered Aug 10 '08 at 18:45
...
AngularJS directive with default options
... edited May 19 '15 at 21:45
gae123
4,51611 gold badge2828 silver badges3333 bronze badges
answered Dec 20 '13 at 17:20
...
Learning Regular Expressions [closed]
...ore characters, and terminated by a right-parenthesis.
If your input is '(123) (456)', then the first capture will be '123'. Non-greedy quantifiers want to allow the rest of the pattern to start matching as soon as possible.
(As to your confusion, I don't know of any regular-expression dialect whe...
How to select where ID in Array Rails ActiveRecord without exception
...ore relevant for Rails 4.x
Do this:
current_user.comments.where(:id=>[123,"456","Michael Jackson"])
The stronger side of this approach is that it returns a Relation object, to which you can join more .where clauses, .limit clauses, etc., which is very helpful. It also allows non-existent IDs ...
Convert xlsx to csv in Linux with command line
...
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
To install on Ubuntu:
apt-get install gnumeric
To install on Mac:
brew install gnumeric
share
...
angularjs directive call function specified in attribute and pass an argument to it
...
var expressionHandler = scope.method();
var id = "123";
$(element).click(function( e, rowid ) {
expressionHandler(id);
});
}
};
return directiveDefinitionObject;
});
app.controller("myController",function(...
rsync error: failed to set times on “/foo/bar”: Operation not permitted
...
David WoleverDavid Wolever
123k7676 gold badges297297 silver badges462462 bronze badges
...
What's the best way to convert a number to a string in JavaScript? [closed]
...re are cases where the conversion may not return a preferable answer: '' + 123e-50 returns "1.23e-48".
– hongymagic
Oct 30 '13 at 6:35
...
How to know what the 'errno' means?
...OTEIO Remote I/O error
122 EDQUOT Disk quota exceeded
123 ENOMEDIUM No medium found
124 EMEDIUMTYPE Wrong medium type
125 ECANCELED Operation canceled
126 ENOKEY Required key not available
127 EKEYEXPIRED Key has expired
128 EKE...