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Hide/Show Column in an HTML Table

...st('th,td') var $table = $btn.closest('table') // get cell location - https://stackoverflow.com/a/4999018/1366033 var cellIndex = $cell[0].cellIndex + 1; $table.find(".show-column-footer").show() $table.find("tbody tr, thead tr") .children(":nth-child("+cellIndex+")") .hi...
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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)

...Google will block your sign-in attempt but You can change your settings at https://www.google.com/settings/security/lesssecureapps so that your account is no longer protected by modern security standards. share | ...
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cannot convert data (type interface {}) to type string: need type assertion

... As asked for by @ρяσѕρєя an explanation can be found at https://golang.org/pkg/fmt/#Sprint. Related explanations can be found at https://stackoverflow.com/a/44027953/12817546 and at https://stackoverflow.com/a/42302709/12817546. Here is @Yuanbo's answer in full. package main imp...
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Github: readonly access to a private repo

...uestion, know that nowadays you can in fact create read-only deploy keys: https://github.com/blog/2024-read-only-deploy-keys You can still create deploy keys with write access, but have to explicitly grant that permission when adding the key. ...
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Using Java 8's Optional with Stream::flatMap

...ble as an edit to my answer. Others agreed and the proposed edit was voted down. (I wasn't one of the voters.) The technique has merit, though. It would have been best if srborlongan had posted his/her own answer. This hasn't happened yet, and I didn't want the technique to be lost in the mists of t...
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Passing arrays as parameters in bash

...er the fact, this answer - kept for historical reasons only - received two downvotes within a couple of days. As sadly usual on SO, without any note as to why people think this is warranted. Note that this answer predates all others, and that I accepted Ken's answer as the best solution. I am perfec...
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nodeValue vs innerHTML and textContent. How to choose?

... document.getElementById('exampleId'); example.textContent = '<a href="https://google.com">google</a>'; output: <a href="http://google.com">google</a> example.innerHTML = '<a href="https://google.com">google</a>'; output: google You can see from the first exa...
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How to add target=“_blank” to JavaScript window.location?

...Go(".button__main[data-link]"); .button{cursor:pointer;} <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <span class="button button__main" data-link="" data-url="https://stackoverflow.com/">go stackoverflow</span> ...
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What's the difference between Jetty and Netty?

...overlap increases as both projects add new features. Here is a benchmark: https://gist.github.com/dhanji/81ccc0e6652eccaf43cf Jetty is a web server (HTTP), similar to the likes of Tomcat and such, but lighter than most servlet containers. This is closer to the traditional Java way of doing server ...
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Can I checkout github wikis like a git repository?

... You can now! git clone https://github.com/user/project.wiki.git or if you use ssh git clone git@github.com:username/project.wiki.git share | i...