大约有 2,000 项符合查询结果（耗时：0.0215秒） [XML]
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...ULL(
(select count(closed) from ticket
where assigned_to = c.user_id and closed is not null
group by assigned_to), 0),
opencases = ISNULL(
(select count(closed) from ticket
where assigned_to = c.user_id and closed is null
group by assigned_to), 0),
...
Illegal string offset Warning PHP
...tandard numeric keys, for example:
$fruit_counts = array('apples'=>2, 'oranges'=>5, 'pears'=>0);
echo $fruit_counts['oranges']; // echoes 5
$fruit_counts = "an unexpected string assignment";
echo $fruit_counts['oranges']; // causes illegal string offset error
You can see this in action h...
Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...C;): ????
GREEN BOOK (📗): ????
BLUE BOOK (📘): ????
ORANGE BOOK (📙): ????
LARGE RED CIRCLE (🔴): ????
LARGE BLUE CIRCLE (🔵): ????
LARGE ORANGE DIAMOND (🔶): ????
LARGE BLUE DIAMOND (🔷): ????
SMALL ORANGE DIAMOND (&#...
How do I convert a String object into a Hash object?
...ft with an array of hashes which I then merge together.
EXAMPLE INPUT: "{:user_id=>11, :blog_id=>2, :comment_id=>1}"
RESULT OUTPUT: {"user_id"=>"11", "blog_id"=>"2", "comment_id"=>"1"}
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...
NSURLRequest setting the HTTP header
...le Code
- (void)reqUserBalance:(NSString*)reward_scheme_id id:(NSString*)user_id success:(void (^)(id responseObject))success failure:(void (^)(id responseObject))failure{
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@reward/%@/user/%@/balance",URL_SERVER,reward_scheme_id,u...
How much faster is C++ than C#?
...
It's five oranges faster. Or rather: there can be no (correct) blanket answer. C++ is a statically compiled language (but then, there's profile guided optimization, too), C# runs aided by a JIT compiler. There are so many differences t...
Can angularjs routes have optional parameter values?
...r.
when('/', {templateUrl:'/home'}).
when('/users/:user_id',
{
controller:UserView,
templateUrl: function(params){ return '/users/view/' + params.user_id; }
}
).
otherwise({...
Django - How to rename a model field using South?
... old column name of the database (not the model field name), for example: "user_id" and "full_name" would be the new name you want the column to have (again, database column and not field name). So: db.rename_column('mainapp_profile', 'user_id', 'new_user_id') Also, if you're dealing with foreign ...
How to find Array length inside the Handlebar templates?
...e some different JSON just to clarify:
var json = {
"fruit":["apple","orange","banana"]
};
So then doing this:
<ul>
{{#each fruit}}
<li>{{this}} {{@index}} {{../fruit.length}}</li>
{{/each}}
</ul>
Would yield:
<ul>
<li>apple 0 3</...
schema builder laravel migrations unique on two columns
... a unique key across multiple columns.
$table->unique(array('mytext', 'user_id'));
or (a little neater)
$table->unique(['mytext', 'user_id']);
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