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What columns generally make good indexes?

...ts, also sub topic page starts. Some clarification in Index page helps but more detailed index might confuse you or scare you. Indexes are also having memory. Index selection should be wise. Keep in mind not all columns would require index. ...
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Switch statement for greater-than/less-than

...search. I don't know if it is my implementation or if the linear search is more optimized. It could also be that the keyspace is to small. values=[0, 1000, 2000 ... 29000, 30000]; while(range) { range = Math.floor( (smax - smin) / 2 ); sidx = smin + range; if ( val < values[sidx] ) { sm...
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How do I loop through or enumerate a JavaScript object?

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How to apply unmerged upstream pull requests from other forks into my fork?

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How do you split a list into evenly sized chunks?

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How to bind to a PasswordBox in MVVM

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Change project name on Android Studio

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Bootstrap dropdown sub menu missing

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What is better, adjacency lists or adjacency matrices for graph problems in C++?

...ximum number of edges), we can find the "breakpoint" where a list takes up more memory than a matrix: 8e > n2/8 when d > 1/64 So with these numbers (still 32-bit specific) the breakpoint lands at 1/64. If the density (e/n2) is bigger than 1/64, then a matrix is preferable if you want to...
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Are there conventions on how to name resources?

...t in all the activities. If, however, I had two lists then I would use the more specific @id/list_apple and @id/list_orange So generic (ids, ...) gets reused in the R.java file while the unique ones (sometimes gets reused) get prefixed with generic ones separated by an underscore. The underscor...