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How can you get the Manifest Version number from the App's (Layout) XML variables?
...t's manifest version number in the main part of the code. What I have been doing up until now is to link the version number in a String XML file to the manifest (@string/Version). What I would like to do is to do it the other way around, link a string XML variable to the version in the manifest. The...
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...
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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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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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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Why should I use core.autocrlf=true in Git?
I have a Git repository that is accessed from both Windows and OS X, and that I know already contains some files with CRLF line-endings. As far as I can tell, there are two ways to deal with this:
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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...
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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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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