大约有 15,220 项符合查询结果（耗时：0.0167秒） [XML]
How can I access the MySQL command line with XAMPP for Windows?
... mysql), else it would not see mysql.exe (yes, I had done the cd command already).
– dotNET
Nov 29 '19 at 18:46
add a comment
|
...
Python: How would you save a simple settings/config file?
... 3.x
from configparser import ConfigParser
config = ConfigParser()
config.read('config.ini')
config.add_section('main')
config.set('main', 'key1', 'value1')
config.set('main', 'key2', 'value2')
config.set('main', 'key3', 'value3')
with open('config.ini', 'w') as f:
config.write(f)
The file f...
MySQL vs MongoDB 1000 reads
... (the actual binary json document)
So a b-tree lookup, and a binary page read. Log(n) + 1 IOs. If the indexes can reside entirely in memory, then 1 IO.
In MySQL with 20 tables, you have to perform:
One index lookup on the root table (again, assuming the entity is fetched by id)
With a clustered...
Spring RestTemplate timeout
...turn restTemplateBuilder
.setConnectTimeout(...)
.setReadTimeout(...)
.build();
}
}
For Spring Boot <= 1.3
@Configuration
public class AppConfig
{
@Bean
@ConfigurationProperties(prefix = "custom.rest.connection")
public HttpComponentsClientHtt...
Why is i++ not atomic?
... which uses the ll and sc: load-linked, and store-conditional. Load-linked reads the word, and store-conditional stores the new value if the word has not changed, or else it fails (which is detected and causes a re-try).
sha...
Why is it common to put CSRF prevention tokens in cookies?
... whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .)
...
Effect of NOLOCK hint in SELECT statements
...on't care what state it is in, and don't bother holding it still while you read from it. It is all at once faster, less resource-intensive, and very very dangerous.
You should be warned to never do an update from or perform anything system critical, or where absolute correctness is required using ...
What's the fuss about Haskell? [closed]
... program to copy a file --
import System.Environment
main = do
--read command-line arguments
[file1, file2] <- getArgs
--copy file contents
str <- readFile file1
writeFile file2 str
OK, it's a short, readable program. In that sense it's better t...
How does “cat
...h:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All of the lines read up to that point are then used as the
standard input for a command.
The format ...
Build a simple HTTP server in C [closed]
...tpd. If you want to write it from scratch, then you'll want to thoroughly read RFC 2616. Use BSD sockets to access the network at a really low level.
share
|
improve this answer
|
...