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Forward declaring an enum in C++
...upport, and compilers that support C++20 features right now (2019) have C++2a support.)
– Justin Time - Reinstate Monica
Aug 5 '19 at 16:50
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Database design for a survey [closed]
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The latest create script is at https://gist.github.com/durrantm/1e618164fd4acf91e372
The script and the mysql workbench.mwb file are also available at
https://github.com/durrantm/survey
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这个命令最常用的格式：
# lsof
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
init 1 root cwd DIR 104,2 4096 2 /
init 1 root rtd DIR 104,2 4096 2 /
init 1 root...
How do I execute any command editing its file (argument) “in place” using bash?
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@patryk.beza: In order: The input FD is opened from the original file; the original directory entry is deleted; the redirection is processed, creating a new empty file with the same name the old one used to have; then the command runs.
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Creating a new empty branch for a new project
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git clean -fd removes untracked files.
– stefgosselin
Feb 15 '17 at 17:36
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Jackson enum Serializing and DeSerializer
...@ttdbrd how about this for unifying truths? gist.github.com/Scuilion/036c53fd7fee2de89701a95822c0fb60
– KevinO
Sep 21 '17 at 2:10
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URL Encode a string in jQuery for an AJAX request
...return encodeURIComponent(str).replace(/[!'()]/g, escape).replace(/\*/g, "%2A");
}
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techniques for obscuring sensitive strings in C++
...A8;
myKey[34] ^= 0x84;
myKey[8] += 0xC1;
myKey[28] -= 0xC6;
myKey[18] -= 0x2A;
myKey[17] -= 0x15;
myKey[4] ^= 0x2C;
myKey[9] -= 0x83;
myKey[26] += 0x31;
myKey[10] ^= 0x06;
myKey[16] += 0x8A;
myKey[42] += 0x76;
myKey[5] ^= 0x58;
myKey[23] ^= 0x46;
myKey[32] += 0x61;
myKey[41] ^= 0x3B;
myKey[31] ^= 0x...
Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...owing result:
MacSys:bin krunal.$ lsof -i :8080
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 21347 krunal 52u IPv6 XXX 0t0 TCP *:http-xxx (LISTEN)
and kill it: (kill -9 21347)
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Constantly print Subprocess output while process is running
...se iter to process lines as soon as the command outputs them: lines = iter(fd.readline, ""). Here's a full example showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python 2.x
import subprocess
def execute(cmd):
popen = subprocess.Popen(c...