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How do I prevent site scraping? [closed]
...ation with a HTML parser to extract the desired data from each page.
Shell scripts: Sometimes, common Unix tools are used for scraping: Wget or Curl to download pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex b...
How can I list ALL DNS records?
...As I look after very many domains it would have been so nice just to run a script to get ALL the DNS entries.
– Ken
Oct 12 '13 at 8:48
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How do I parse an ISO 8601-formatted date?
...
To properly support the Z the input script can be modified with date_string.replace("Z", "+00:00").
– jox
Dec 2 '18 at 10:47
8
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What is the use of “assert” in Python?
...alse, assert statements will be ignored. Just pass the -O flag:
python -O script.py
See here for the relevant documentation.
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Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
chkconfig --level 345 mysqld on
#初始化数据库
/usr/local/mysql/scripts/mysql_install_db \
--defaults-file=/etc/my.cnf \
--basedir=/usr/local/mysql \
--datadir=/var/mysql/data \
--user=mysql
#建立软链接
ln -s /usr/local/mysql/bin/mysqladmin /usr/bin/
ln -s /usr/local/mysql/...
How to deal with floating point number precision in JavaScript?
I have the following dummy test script:
42 Answers
42
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Can linux cat command be used for writing text to file?
...o write raw text to files, to update my CPU-settings. Hope this helps out!
Script:
#!/bin/sh
cat > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor <<EOF
performance
EOF
cat > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor <<EOF
performance
EOF
This writes the tex...
multiprocessing: sharing a large read-only object between processes?
...le, and sent the other lines to the next piped process (which was the same script). Runtime went down by half. It's a little hacky, but the overhead is much lighter than map/poop in the multiprocessing module.
– Vince
Nov 30 '09 at 21:55
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Determine .NET Framework version for dll
...but knowing reflector, it will probably complain, and give it a nice non-descript error icon.
– leppie
Aug 11 '10 at 17:15
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Is there a REAL performance difference between INT and VARCHAR primary keys?
...) ENGINE=InnoDB;
Then, I filled 10 million rows in each table with a PHP script whose essence is like this:
$pdo = get_pdo();
$keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ];
for ($k = 0; $k < 10; $k++) {
for ($j = 0; $j <...