大约有 40,000 项符合查询结果（耗时：0.0593秒） [XML]
C# vs C - Big performance difference
...hmarking code is flawed too. You need to force it to run the loop, usually by summing up the result or similar, and printing it out at the end)
It seems that what you're measuring is basically "which compiler inserts the most debugging overhead". And turns out the answer is C. But that doesn't tell...
Spring Data JPA find by embedded object property
...
This method name should do the trick:
Page<QueuedBook> findByBookIdRegion(Region region, Pageable pageable);
More info on that in the section about query derivation of the reference docs.
share
|
...
Expansion of variables inside single quotes in a command in Bash
...'
'before'"'"'after'
'before'\''after'
Word concatenation is simply done by juxtaposition. As you can verify, each of the above lines is a single word to the shell. Quotes (single or double quotes, depending on the situation) don't isolate words. They are only used to disable interpretation of var...
Postgres: “ERROR: cached plan must not change result type”
This exception is being thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
...
Why and not taking font-family and font-size from body?
...
By default, browsers render most form elements (textareas, text boxes, buttons, etc) using OS controls or browser controls. So most of the font properties are taken from the theme the OS is currently using.
You'll have to ta...
How to do a git diff on moved/renamed file?
...ly when both old and new files appear in the collection of files processed by git diff. Running git diff -M on a single (renamed) file doesn't report a rename.
– Leon
Oct 25 '17 at 10:38
...
How to make tinymce paste in plain text by default
...o one gives a complete solution of how to make Tinymce paste in plain text by default and strip out any formatting without clicking the "paste as text" button.
...
Apache Prefork vs Worker MPM
...are two type of MPM apache provides. Both have their merits and demerits.
By default mpm is prefork which is thread safe.
Prefork MPM uses multiple child processes with one thread each and each process handles one connection at a time.
Worker MPM uses multiple child processes with many threads ea...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
...st frequent thing I do with Eclipse is to re-run the last program. I do it by going to Run -> Run History -> [top most item] .
...
Equals(=) vs. LIKE
...compares whole strings.
LIKE is a string operator that compares character by character.
To complicate matters, both operators use a collation which can have important effects on the result of the comparison.
Motivating Example
Let's first identify an example where these operators produce obvious...