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Generate random int value from 3 to 6
...details check this: https://www.techonthenet.com/sql_server/functions/rand.php
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How can I increment a char?
...and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
...st rules of thumb; you'll probably need to experiment.
Another issue is parallelism: if you want to parallelize BFS you would need a shared datastructure between threads, which is a bad thing. DFS might be easier to distribute even between connected machines if you don't insist on the exact order of...
Unit Testing bash scripts
...f the test harness for Perl but now has implementations in C, C++, Python, PHP, Perl, Java, JavaScript, and others.
bats-core
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...an I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code?
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Deploy a project using Git push
...ile (again, on the server):
chmod +x .git/hooks/post-update
Now, just locally push to your web server and it should automatically update the working copy:
git push production
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Smooth GPS data
... displaying current position on a map. The problem is that sometimes (specially when accuracy is low) the values vary a lot, making the current position to "jump" between distant points in the map.
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JOIN queries vs multiple queries
...ase. It depends on a lot of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
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What is a “surrogate pair” in Java?
...encoding, characters are mapped to values between 0x0 and 0x10FFFF.
Internally, Java uses the UTF-16 encoding scheme to store strings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complex...
What is opinionated software?
...t Microsoft tends to write "un-opinionated" frameworks. What does this actually mean?
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