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I want to remove double quotes from a String
..., I'm using substr to cut off those first and last chars. Strings are zero-indexed, so the last char is the charAt(str.length -1). substr expects 2 arguments, where the first is the offset from which the substring starts, the second is its length. Since we don't want the last char, anymore than we w...
How to put more than 1000 values into an Oracle IN clause [duplicate]
... one of the rare cases where you need a hint, else Oracle will not use the index on column id. One of the advantages of this approach is that Oracle doesn't need to hard parse the query again and again. Using a temporary table is most of the times slower.
edit 1 s
Laravel orderBy on a relationship
...is->hasMany('Comment');
}
}
class Controller
{
public function index()
{
$column = Input::get('orderBy', 'defaultColumn');
$comments = User::find(1)->comments()->orderBy($column)->get();
// use $comments in the template
}
}
default User model +...
Why do people hate SQL cursors so much? [closed]
... a lot of information in the database, from constraints, to statistics and indexes which mean that the optimizer has a lot of options to solve the problem, whereas a cursor pretty much explicitly directs the solution.
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Are iframes considered 'bad practice'? [closed]
... you can use them to force localstorage based cache the page by making the index page a script that detects if the subpage is in localstorage. Then, document.write it from localstorage if its there, and if not add in an iframe to that subpage. In that subpage, have a script to store the subpages HT...
MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...
...art of the
upsert. You should make sure this is indexed
--stopOnError stop importing at first error rather than continuing
--jsonArray load a json array, not one item per line. Currently limited to 4MB.
参数说明:
-h:指明数据库宿主...
What does ||= (or-equals) mean in Ruby?
...g on whether it is a simple variable assignment, a method assignment or an indexing assignment:
a ||= b
a.c ||= b
a[c] ||= b
are all treated differently.
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Javascript dynamically invoke object method from string
...tly has an 'any' type because expression of type 'string' can't be used to index type 'FooClass' anyone else ?
– Anand Rockzz
Jun 27 '19 at 4:37
add a comment
...
How can you iterate over the elements of an std::tuple?
...
Not as written.. You could make a version with the indexing flipped - start at I=sizeof...(Tp) and count down. Then supply a maximum number of args explicitly. You could also make a version that broke on a tag type, say break_t. Then you would put an object of that tag typ...
What is ng-transclude?
...ke:
Superman
Stuff inside the custom directive
Full example :
Index.html
<body ng-app="myApp">
<div class="AAA">
<hero name="superman">Stuff inside the custom directive</hero>
</div>
</body>
jscript.js
angular.module('myApp', []).directive('...