大约有 30,000 项符合查询结果（耗时：0.0446秒） [XML]
Decimal precision and scale in EF Code First
I'm experimenting with this code-first approach, but I'm find out now that a property of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
...
How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...
How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorithm. For example,
6 Answers
...
Delete all data in SQL Server database
How I can delete all records from all tables of my database? Can I do it with one SQL command or I need for one SQL command per one table?
...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...e is a good article on MDN that explains the theory behind those concepts:
https://developer.mozilla.org/en-US/docs/Web/API/CSS_Object_Model/Determining_the_dimensions_of_elements
It also explains the important conceptual differences between boundingClientRect's width/height vs offsetWidth/offsetHe...
Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
16
...
Sqlite primary key on multiple columns
What is the syntax for specifying a primary key on more than 1 column in SQLITE ?
9 Answers
...
Format bytes to kilobytes, megabytes, gigabytes
Scenario: the size of various files are stored in a database as bytes. What's the best way to format this size info to kilobytes, megabytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files le...
How do I catch a PHP fatal (`E_ERROR`) error?
...o $e->getMessage(); // Call to a member function method() on string
}
https://3v4l.org/67vbk
Or you can use Throwable interface to catch all exceptions.
Example:
<?php
try {
undefinedFunctionCall();
} catch (Throwable $e) {
// Handle error
echo $e->getMe...
Can I create a named default constraint in an add column statement in SQL Server?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...