... Recommended (reduce with default value) Array.prototype.reduce can be used to iterate through the array, adding the current element value to the sum of the previous element values. console.log( [1, 2, 3, 4].reduce((a, b) => a + b, 0) ) console.log( [].reduce...

I found that there is no easy to get way the size of a directory in Bash? 11 Answers 1...

.../g' $i done because nobody knows how many files are there, and it's easy to break command line limits. Here's what happens when there are too many files: # grep -c aaa * -bash: /bin/grep: Argument list too long # for i in *; do grep -c aaa $i; done 0 ... (output skipped) # ...

I have a simple problem, but I cannot find a good solution to it. 3 Answers 3 ...

Is there any official way to allow a CSV formatted file to allow comments, either on its own line OR at the end of a line? ...

My understanding of a canary release is that it's a partial release to a subset of production nodes with sticky sessions turned on. That way you can control and minimize the number of users/customers that get impacted if you end up releasing a bad bug. ...

Is there any way to dump mongo collection into json format? Either on the shell or using java driver.I am looking for the one with best performance. ...

...fic file leaving the others currently modified out of the stash I am about to save? 3 Answers ...

When manually generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode): ...

Which is the best one to use and if possible, please provide the difference(s) and advantages of these two. 3 Answers ...