大约有 30,000 项符合查询结果（耗时：0.0467秒） [XML]
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...宕机等等，此时如果没有合理的降级方案，那么结局必然是死路一条。
任何问题一旦脱离了实际情况，便失去了讨论的意义。在继续之前，不妨先介绍一下案例的背景情况：一个PHP网站，以读为主，原本躲在CDN后面，运行很稳...
How to get .pem file from .key and .crt files?
...u that.
– maxwellb
Jun 13 '09 at 23:32
11
Just a heads up that cat server.crt server.key > ser...
'Java' is not recognized as an internal or external command
...a\bin, press OK:
In Environment variables window press OK
Restart/Run cmd.exe and write: java --version:
share
|
improve this answer
|
follow
|
...
SparseArray vs HashMap
...
Collection<V> values;
}
Class = 12 + 8 * 4 = 48 bytes
Entry = 32 + 16 + 16 = 64 bytes
Array = 20 + 1000 * 64 = 64024 bytes
Total = 64,136 bytes
Source: Android Memories by Romain Guy from slide 90.
The numbers above are the amount of memory (in bytes) allocated on heap by JVM.
They ma...
Django CharField vs TextField
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Setting Authorization Header of HttpClient
...
@Red fyi, the second parameter is the base64 encoded user:password (its not encrypted).
– n00b
Aug 1 '17 at 19:11
5
...
How to generate a random string of a fixed length in Go?
... range 2..5. Using 5 random bits, numbers in range 0..1 would occur with 6/32 probability and numbers in range 2..5 with 5/32 probability which is now closer to the desired. Increasing the number of bits makes this less significant, when reaching 63 bits, it is negligible.
4. Masking
Building on t...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...p version as per the answer here:
https://stackoverflow.com/a/36589120/479632
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
# these two lines here
proxy_http_version 1.1;
proxy_set_header Connec...
How do I import an SQL file using the command line in MySQL?
...sql -p -u [user] [database] < backup-file.sql
PowerShell
C:\> cmd.exe /c "mysql -u root -p db_name < backup-file.sql"
MySQL command line
mysql> use db_name;
mysql> source backup-file.sql;
share
...
REST API Authentication
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...