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Changing element style attribute dynamically using JavaScript

... also style.setProperty function: https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleDeclaration/setProperty document.getElementById("xyz").style.setProperty('padding-top', '10px'); // version with !important priority document.getElementById("xyz").style.setProperty('padding-top', '10px', 'i...
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Why use apparently meaningless do-while and if-else statements in macros?

...into if (corge) f(corge); g(corge); else gralt(); which is syntactically incorrect, as the else is no longer associated with the if. It doesn't help to wrap things in curly braces within the macro, because a semicolon after the braces is syntactically incorrect. if (corge) {f(corge); g(co...
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iOS 7 - Status bar overlaps the view

... Xcode 5 has iOS 6/7 Deltas which is specifically made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20. Since my storyboard is not using auto-layout,...
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Duplicating a MySQL table, indices, and data

... This should have been the accepted answer. As this copies all the indexes including primary key and auto_increment – Channaveer Hakari Oct 11 '18 at 6:06 add ...
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Print number of keys in Redis

... key. Also Redis may actively evict some expired keys, but not necessarily all of them. – seppo0010 Aug 24 '15 at 22:23 add a comment  |  ...
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What are conventions for filenames in Go?

...he go test tool. Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same as having a //+build amd64 line at the top of the file See the docs for the go build...
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How to initialize private static members in C++?

...t be done outside of any function. Note: Matt Curtis: points out that C++ allows the simplification of the above if the static member variable is of const int type (e.g. int, bool, char). You can then declare and initialize the member variable directly inside the class declaration in the header fil...
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How to read a large file line by line?

...e line from the file. echo $file->fgets(); } // Unset the file to call __destruct(), closing the file handle. $file = null; share | improve this answer | follow ...
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efficient way to implement paging

...irect paging in the SQL engine. Giving you an example, I have a db table called mtcity and I wrote the following query (work as well with linq to entities): using (DataClasses1DataContext c = new DataClasses1DataContext()) { var query = (from MtCity2 c1 in c.MtCity2s select c1)...
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Javascript - Append HTML to container element without innerHTML

...; font-size: 30px; outline: none; padding: 0 20px; transition: all .3s; } button:hover { background: rgba(7, 99, 53, 1); color: rgba(255,255,255,1); } p { font-size: 20px; font-weight: bold; } <button type="button" onclick="addChild()">Append Child</button> ...