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Sass Variable in CSS calc() function

...-size: 16; $rate-size-xl: 24; // set default size for all cases; :root { --size: #{$base-size}; } // if it's smaller then LG it will set size rate to 16/16; // example: if size set to 14px, it will be 14px * 16 / 16 = 14px @include media-breakpoint-down(lg) { :r...
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Do you need to dispose of objects and set them to null?

...refore not keep that variable live beyond that point (ie not treat it as a root for the purposes of GC)." – Randy supports Monica Jun 1 '10 at 17:37 1 ...
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Nginx no-www to www and www to no-www

...x.html; #### # now pull the site from one directory # root /var/www/www.google.com/web; # done # location = /favicon.ico { log_not_found off; access_log off; } } ...
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Node.js / Express.js - How does app.router work?

...be assigned to a router, and then to use the router, the router is given a root path and placed in the "middleware" stack via app.use(path, router). This allows related routes to each use their own router and to be assigned a base path as a unit. If I understood it better, I'd offer to post another ...
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Why doesn't Git ignore my specified file?

... Make sure that your .gitignore is in the root of the working directory, and in that directory run git status and copy the path to the file from the status output and paste it into the .gitignore. If that doesn’t work, then it’s likely that your file is already ...
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App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网

...是hc05尤为常见,这里以hc05为例,介绍一下经典蓝牙模块如何接入AppInventor。 HC05 简单介绍 它有六个引脚,引脚的作用如下: 通过厂商App连接串口测试,发现HC-05模块是经典蓝牙2.0,并不支持蓝牙5.0(低功...
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PHP屏蔽警告错误,PHP不输出警告错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...方法一、在有可能出错的函数前加@,然后or die("") 如:@mysql_connect(...) or die("Database Connect Error") 屏蔽PHP错误提示方法二、修改php.ini :error_reporting = E_ALL & ~E_NOTICE 或 display_errors = off 屏蔽PHP错误提示方法三、在php脚本前加error_repo...
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Getting Chrome to accept self-signed localhost certificate

...after adding the certificate to the system certificate store under Trusted Roots. Even though the certificate is listed as correctly installed when I click "View certificate information" in Chrome's HTTPS popup, it still insists the certificate cannot be trusted. ...
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Laravel blank white screen

...ps solved blank white screen problem on my Laravel 5. Go to your Laravel root folder Give write permission to bootstrap/cache and storage directories sudo chmod -R 777 bootstrap/cache storage Rename .env.example to .env Generate application key with the following command in terminal/comman...
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How are ssl certificates verified?

...the steps they take to safeguard their cert issuance, then importing their root cert is safe. – nsayer Apr 8 '09 at 23:36 6 ...