Jeronimo Martinez Sanchez jms
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| for attr, value in validated_data.items(): | |
| setattr(instance, attr, value) | |
| instance.save() |
jms
/ check_role.sql
Created
July 13, 2017 15:31
validate if a role name exists on postgresql , then execute statement
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| DO $$ | |
| BEGIN | |
| IF NOT EXISTS (SELECT 1 FROM pg_catalago.pg_roles WHERE rolname = 'reader') THEN | |
| CREATE ROLE reader; | |
| END IF; | |
| END | |
| $$; | |
| GRANT SELECT ON tasks TO reader; | |
| -- |
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| nc --recv-only -v -w 1 65.55.33.135 25 | |
| # sample response | |
| # Ncat: Version 6.40 ( http://nmap.org/ncat ) | |
| # Ncat: Connected to 65.55.33.135:25. | |
| # 220 COL004-MC6F15.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft's computer network is prohibited. Other restrictions are found at http://privacy.microsoft.com/en-us/anti-spam.mspx. Tue, 11 Apr 2017 15:28:03 -0700 | |
| # Ncat: Idle timeout expired (1000 ms). |
jms
/ gist:2b4eefec347c9e125d460e5263c9a146
Created
March 21, 2017 00:41
find invalid utf8 characteres with iconv, dd, hexdump
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| iconv -f GB2312 -t UTF-8 2001.txt -o 2001_u.txt | |
| iconv: illegal input sequence at position 245256667 | |
| dd if=2001.txt of=error.txt bs=1 count=10 skip=245256667 | |
| hexdump -C error.txt |
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| # allow social media crawlers to work by redirecting them to a server-rendered static version on the page | |
| RewriteCond %{HTTP_USER_AGENT} (facebookexternalhit/[0-9]|Twitterbot|Pinterest|Google.*snippet) | |
| RewriteRule (.*) https://path_static_page [P] |
jms
/ test_xpath
Created
February 18, 2017 00:38
Google Chrome / Firefox. test on console xpath and css selectors
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| Google Chrome / Firefox. test on console xpath and css selectors | |
| XPath syntax: | |
| $x("") | |
| CSS syntax: | |
| $$("") |
jms
/ prevent-doubleclick.js
Created
January 11, 2017 16:11
angularjs prevent double click/double submit
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| $scope.flag = false; | |
| $scope.buttonClicked = function() { | |
| if ($scope.flag) { | |
| return; | |
| } | |
| $scope.flag = true; | |
| Service.doService.then(function(){ | |
| //this is the callback for success | |
| $scope.flag = false; | |
| }).error(function(){ |
jms
/ install-tmux
Created
January 10, 2017 05:17
— forked from relaxdiego/install-tmux
Install tmux 2.2 on CentOS 7.1
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| # install deps | |
| yum install gcc kernel-devel make ncurses-devel | |
| # DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL | |
| wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz | |
| tar -xvzf libevent-2.0.21-stable.tar.gz | |
| cd libevent-2.0.21-stable | |
| ./configure --prefix=/usr/local | |
| make | |
| sudo make install |
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| sudo dpkg-reconfigure ca-certificates; | |
| sudo update-ca-certificates -f |
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| #!/bin/bash | |
| for i in $(docker images | grep none | awk '{print $3}') ; do | |
| docker rmi --force $i | |
| done |