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通过API获取IP信息、IP归属地 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...service/getIpInfo.php?ip=8.8.8.8
{"code":0,"data":{"country":"\u7f8e\u56fd","country_id":"US","area":"","area_id":"","region":"","region_id":"","city":"","city_id":"","county":"","county_id":"","isp":"","isp_id":"","ip":"8.8.8.8"}}
注意：返回的json中有嵌套，解析时先解析出data...
[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术
...查看系统日志[cat var log messages |grep pptpd]后发现）GRE: read(fd=6,buffer=80504c0...pptp vpn服务器连接失败出现以下日志内容：
（查看系统日志[ cat /var/log/messages |grep pptpd ]后发现）
GRE: read(fd=6,buffer=80504c0,len=8196) from PTY failed: status = -1 er...
Google breakpad stackwalker无法加载符号 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...head -n1 tmp/c++11.sym
#todo:
mkdir -p ./symbols/c++11/6EDC6ACDB282125843FD59DA9C81BD830
mv tmp/c++11.sym ./symbols/c++11/6EDC6ACDB282125843FD59DA9C81BD830
rm -rf tmp
路径有要求，GUID来自 .so 文件的头部。
为了方便，写个 python 脚本 gen_symbols.py 自动生成：
#...
/proc 内核统计信息各文件的含义 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的统计文件，如下： ls -F proc 904 attr coredump_filter fdinfo make-it-fail mountstats oom_score_adj sched stat 1、各进程的统计文件，如下：
# ls -F /proc/904/
attr/ coredump_filter fdinfo/ make-it-fail mountstats oom_score_adj sched st...
How to mount a host directory in a Docker container
.../Users/kishore/main_folder:/test_container Docker version 0.9.1, build 867b2a9 kishore$ docker run -v /Users/kishore/main_folder:/test_container Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...] Run a command in a new container -P, --publish-all=false: Publish all exposed ports to the host...
Simple way to find if two different lists contain exactly the same elements?
...st case performance, O(n^2).
Option 2
There are two variations to this:
2a) If you don't care about maintaining the order ofyour lists... use Collections.sort() on both list. Then use the equals(). This is O(nlogn), because you do two sorts, and then an O(n) comparison.
2b) If you need to mainta...
Tool for comparing 2 binary files in Windows [closed]
...ntion is that Total Commander costs $42 USD.
– c00000fd
Oct 14 '18 at 0:01
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...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
... String rehi = "rehi";
String rehi2 = "rehi";
String rehi2a = "not rehi";
String rehi3 = new String("rehi");
String rehi3a = new String("not rehi");
String rehi4 = new String(rehi);
String rehi5 = new String(rehi2);
String rehi6 = new String(...
URL Encoding using C#
... %29
* * * * %2A * * * %2A
+ %2b %2b + %2B + + + %2B
, %2c %2c ...
How can we make xkcd style graphs?
... answered Dec 24 '14 at 7:24
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