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Inserting multiple rows in mysql
...ship) table :
// get data
$table_1 = get_table_1_rows();
$table_2_fk_id = 123;
// prepare first part of the query (before values)
$query = "INSERT INTO `table` (
`table_1_fk_id`,
`table_2_fk_id`,
`insert_date`
) VALUES ";
//loop the table 1 to get all foreign keys and put it in array
for...
How to mount a host directory in a Docker container
I am trying to mount a host directory into a Docker container so that any updates done on the host is reflected into the Docker containers.
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Difference between array_push() and $array[] =
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@testing123 Absolutely not. It's a good practice to use the most efficient solution available at hand, unless it severely cripples readability, compatibility, etc (or if you need to obey certain style guides).
–...
How do I convert a PDF document to a preview image in PHP? [closed]
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@think123 use $im->thumbnailImage(1500, 0); That will set your jpg image to a width of 1500 and retain scale. See documentation
– Kevin Jantzer
Jan 21 '14 at 17:37
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云数据及Firebase组件简介 · App Inventor 2 中文网
... 隐私策略和使用条款 技术支持 service@fun123.cn
How to easily map c++ enums to strings
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If you want the enum names themselves as strings, see this post.
Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to al...
In Typescript, How to check if a string is Numeric
...y to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected wi...
What is the most efficient way to create HTML elements using jQuery?
...ents were obviously wrong, I've removed them.
– tvanfosson
Sep 8 '10 at 13:23
16
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How to detect page zoom level in all modern browsers?
...en this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: s...
How do I correctly clean up a Python object?
...esources that need to be cleaned up. The problem with using an explicit close() statement is that you have to worry about people forgetting to call it at all or forgetting to place it in a finally block to prevent a resource leak when an exception occurs.
To use the with statement, create a class ...