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How do I list all files of a directory?
...k(mypath).next() (if you are confident that the walk will return at least one value, which it should.)
– misterbee
Jul 14 '13 at 20:56
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What's a good (free) visual merge tool for Git? (on windows) [closed]
...ut in the end went for Beyond Compare, with pay, and have been very happy. One minus of Meld is that the buttons don't give mouseover descriptions. Another - Beyond Compare provides buttons to move from one difference to the next. Another - Beyond Compare shows the file paths in the window title bar...
How do I choose between Tesseract and OpenCV? [closed]
...r that performs basic OCR, but it is not a very good OCR engine (I've made one in Python before from scratch. It's really inaccurate for input that deviates from your training data).
If you want to get a basic understanding of how hard OCR is, try OpenCV. Tesseract is for real OCR.
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
... not, is there a list of screen resolutions for the most popular Android phones and tablets.
7 Answers
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How to make an app's background image repeat
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One thing to keep in mind is that you should have folders drawable-hdpi, drawable-mdpi & drawable-ldpi, you'll need to add this backrepeat.xml file and the relevant images to each of these to allow this functionality in h...
How can I get the DateTime for the start of the week?
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This would be off by one day for me sometimes. It worked for me once I stripped the time component from dt. I used int diff = dt.Date.DayOfWeek - startOfWeek;
– Vincent Saelzler
May 26 '17 at 17:43
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Regular Expression for alphanumeric and underscores
...less we introduce unicode to the mix)
Using the + quantifier you'll match one or more characters. If you want to accept an empty string too, use * instead.
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What Computer Science concepts should I know? [closed]
...by Steve Yegge (formerly of Amazon, now at Google):
The Five Essential Phone Screen Questions
It goes into some detail about the the five most important concepts that developers should be required to know:
Basic programming (including recursion, file I/O, formatted output, loops etc)
Object or...
What's the difference between a file descriptor and file pointer?
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One is buffered (FILE *) and the other is not. In practice, you want to use FILE * almost always when you are reading from a 'real' file (ie. on the drive), unless you know what you are doing or unless your file is actually a...
How to change column datatype in SQL database without losing data
...have SQL Server database and I just realized that I can change the type of one of the columns from int to bool .
11 Ans...