大约有 44,000 项符合查询结果(耗时:0.0603秒) [XML]
REST vs JSON-RPC? [closed]
...rection, rewriting, logging, etc.) with zero line of code.
Last but not least, using HTTP as an RPC protocol is a huge error according to the designer of HTTP 1.1 (and inventor of REST): http://www.ics.uci.edu/~fielding/pubs/dissertation/evaluation.htm#sec_6_5_2
...
JavaScript - onClick to get the ID of the clicked button
How do find the id of the button which is being clicked?
16 Answers
16
...
1052: Column 'id' in field list is ambiguous
I have 2 tables. tbl_names and tbl_section which has both the id field in them. How do I go about selecting the id field, because I always get this error:
...
How to check which locks are held on a table
...to add comment from @MikeBlandford:
The blocked column indicates the spid of the blocking process. You can run kill {spid} to fix it.
share
|
improve this answer
|
foll...
What is the most efficient/elegant way to parse a flat table into a tree?
... syntax.
WITH RECURSIVE MyTree AS (
SELECT * FROM MyTable WHERE ParentId IS NULL
UNION ALL
SELECT m.* FROM MyTABLE AS m JOIN MyTree AS t ON m.ParentId = t.Id
)
SELECT * FROM MyTree;
I tested recursive queries in MySQL 8.0 in my presentation Recursive Query Throwdown in 2017.
Below is...
CodeIgniter activerecord, retrieve last insert id?
Are there any options to get the last insert id of a new record in CodeIgniter?
11 Answers
...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible?
...
Applying a function to every row of a table using dplyr?
...ed to switch to the functions in purrr to get the by row functionality. At least, they offer the same functionality and have almost the same interface as adply from plyr.
There are two related functions, by_row and invoke_rows. My understanding is that you use by_row when you want to loop over rows...
Which is faster: while(1) or while(2)?
...naive compiler might generate different machine code for the two forms, at least when compiled without requesting optimization.
On the other hand, C compilers absolutely must evaluate some constant expressions at compile time, when they appear in contexts that require a constant expression. For exa...
What is the meaning of id?
...
id is a pointer to any type, but unlike void * it always points to an Objective-C object. For example, you can add anything of type id to an NSArray, but those objects must respond to retain and release.
The compiler is tota...
