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How can I read a large text file line by line using Java?
...II-7 but it won't make much difference. It is highly likely that what you do with the data will take much longer.
EDIT: A less common pattern to use which avoids the scope of line leaking.
try(BufferedReader br = new BufferedReader(new FileReader(file))) {
for(String line; (line = br.readLine...
What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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Error handling in getJSON calls
...ow can you handle errors in a getJSON call? Im trying to reference a cross-domain script service using jsonp, how do you register an error method?
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When is the thread pool used?
... reality of the situation is actually fairly complex, and typically boiled down to pithy little phrases like "node is single threaded" that over-simplify things.
For the moment, we'll ignore explicit multi-processing/multi-threading through cluster and webworker-threads, and just talk about typical...
OAuth secrets in mobile apps
...ecret string obtained from the service you want to delegate to. If you are doing this in a web app, you can simply store the secret in your data base or on the file system, but what is the best way to handle it in a mobile app (or a desktop app for that matter)?
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What is a columnar database?
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How do Columnar Databases work?
Columnar database is a concept rather a particular architecture/implementation. In other words, there isn't one particular description on how these databases work; indeed, several are build upon t...
Why does range(start, end) not include end?
...all that parameter "count" because if you only ever use 'range(n)' then it does, of course, iterate 'n' times. This logic breaks down when you add the start parameter.
So the key point is to remember its name: "stop".
That means it is the point at which, when reached, iteration will stop immediatel...
How to place and center text in an SVG rectangle
...ement in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x of that element + half its width (and similar for y but with the height).
Use the text-anchor property to center the text horizontally with the value middle:
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How to write a simple Html.DropDownListFor()?
In ASP.NET MVC 2, I'd like to write a very simple dropdown list which gives static options. For example I'd like to provide choices between "Red", "Blue", and "Green".
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Stash just a single file
...e
# git commit -m "stashing the_file"
# git checkout master
go about and do what you want, and then later simply rebase and/or merge the tmpbranch. It really isn't that much extra work when you need to do more careful tracking than stash will allow.
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