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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
...
Laravel supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] &...
Resizing UITableView to fit content
...ve a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height.
...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...request_uri_without_args = ngx.re.sub(ngx.var.request_uri, "\\?.*", "")
table.unpack = table.unpack or unpack
for index, rule in ipairs(phoenix["rule"]) do
if type(rule["regex"]) == "string" then
rule["regex"] = {rule["regex"], ""}
end
local regex, options = table.unp...
How does Django's Meta class work?
...odel. It defines such things as available permissions, associated database table name, whether the model is abstract or not, singular and plural versions of the name etc.
Short explanation is here: Django docs: Models: Meta options
List of available meta options is here: Django docs: Model Meta op...
subtle differences between JavaScript and Lua [closed]
... ^.
In Lua, any type of value (except nil and NaN) can be used to index a table. In JavaScript, all non-string types (except Symbol) are converted to strings before being used to index an object. For example, after evaluation of the following code, the value of obj[1] will be "string one" in JavaSc...
Split comma-separated strings in a column into separate rows
...approach but modified according to Rich Scriven's comment,
Jaap's two data.table methods and two dplyr / tidyr approaches,
Ananda's splitstackshapesolution,
and two additional variants of Jaap's data.table methods.
Overall 8 different methods were benchmarked on 6 different sizes of data frames u...
schema builder laravel migrations unique on two columns
...array as the first param to create 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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How to get the error message from the error code returned by GetLastError()?
...t implementing exception safety guarantees.
– IInspectable
Aug 8 '17 at 10:20
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Postgresql SELECT if string contains
...Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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How do Python's any and all functions work?
....
all
all will return True only when all the elements are Truthy.
Truth table
+-----------------------------------------+---------+---------+
| | any | all |
+-----------------------------------------+---------+---------+
| All Truthy values ...