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How to declare a global variable in JavaScript?

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How do you Encrypt and Decrypt a PHP String?

...ibsodium. Example with defuse/php-encryption <?php /** * This requires https://github.com/defuse/php-encryption * php composer.phar require defuse/php-encryption */ use Defuse\Crypto\Crypto; use Defuse\Crypto\Key; require "vendor/autoload.php"; // Do this once then store it somehow: $key = ...
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How to hide command output in Bash

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Why do people use __(double underscore) so much in C++

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Calendar Recurring/Repeating Events - Best Storage Method

... I would follow this guide: https://github.com/bmoeskau/Extensible/blob/master/recurrence-overview.md Also make sure you use the iCal format so not to reinvent the wheel and remember Rule #0: Do NOT store individual recurring event instances as rows i...
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What's the difference between Cache-Control: max-age=0 and no-cache?

...s into all sorts of "could not download" issues when no-cache is used over https. suggested resolutions sometimes include changing headers to max-age=0 – Robert Christ Jan 13 '14 at 23:54 ...
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What is SYSNAME data type in SQL Server?

...mation about sysname allowing or disallowing NULL values can be found here https://stackoverflow.com/a/52290792/300863 Just because it is the default (to be NOT NULL) does not guarantee that it will be! share | ...
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... # 这是一个自动打ipa的脚本,基于webfrogs的ipa-build书写:https://github.com/webfrogs/xcode_shell/blob/master/ipa-build # 功能:自动为etao ios app打包,产出物为14个渠道的ipa包 # 特色:全自动打包,不需要输入任何参数 #--------------------------...
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

...hape2 and the tidyverse came plyr, with the daply function, as shown here: https://stackoverflow.com/a/7020101/210673 library(plyr) daply(tmp, .(x, y), function(x) x$z) ## y ## x a b c ## x 1 2 3 ## y 3 3 2 Using matrix indexing: This is kinda old school but is a nice demonstration of m...
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What's is the difference between train, validation and test set, in neural networks?

... used to report the generalization error on the selected model. From here: https://www.coursera.org/learn/machine-learning/lecture/QGKbr/model-selection-and-train-validation-test-sets share | improv...