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Is there a difference between foreach and map?
...Array.protototype.forEach are both quite similar.
Run the following code: http://labs.codecademy.com/bw1/6#:workspace
var arr = [1, 2, 3, 4, 5];
arr.map(function(val, ind, arr){
console.log("arr[" + ind + "]: " + Math.pow(val,2));
});
console.log();
arr.forEach(function(val, ind, arr){
...
Reverting a single file to a previous version in git [duplicate]
...
Extracted from here: http://git.661346.n2.nabble.com/Revert-a-single-commit-in-a-single-file-td6064050.html
git revert <commit>
git reset
git add <path>
git commit ...
git reset --hard # making sure you didn't have uncommite...
npm command to uninstall or prune unused packages in Node.js
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What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...and delete records in a batch
When to use which interface:
According to http://jtuts.com/2014/08/26/difference-between-crudrepository-and-jparepository-in-spring-data-jpa/
Generally the best idea is to use CrudRepository or PagingAndSortingRepository depending on whether you need sorting and pag...
Why does i = i + i give me 0?
...al to 2147483648. Also, you say "it always prints 0". It does not, because http://ideone.com/WHrQIW. Below, these 8 numbers show the point at which it pivots and overflows. It then starts to print 0s. Also, don't be surprised how fast it calculates, the machines of today are rapid.
268435456
53687...
What's the “average” requests per second for a production web application?
...h load which seems very odd. The full post can be found here actually....
http://ubuntuforums.org/showthread.php?p=11202389
We are still trying to resolve that as it gives us a huge performance boost in that our test goes from 2 minutes 42 seconds to 1 minute 35 seconds when this is fixed so we see...
Can you make valid Makefiles without tab characters?
...hat that Makefiles have a tab character preceding the the content of each command line, or it throws a syntax error.
10 A...
Remove all special characters, punctuation and spaces from string
... This only works when the string is in unicode. Otherwise it complains like 'str' object has no attribute 'isalnum' 'isnumeric' and so on.
– NeoJi
Feb 16 '16 at 1:47
...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...h your table definitions.
Written by: Narayana Vyas Kondreddi
http://vyaskn.tripod.com
http://vyaskn.tripod.com/code/generate_inserts.txt
Acknowledgements:
Divya Kalra -- For beta testing
Mark Charsley -- For reporting a problem with scripting uniqueidenti...
Assigning a variable NaN in python without numpy
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