Oct 6, 2009 · The way how this command gets a lot more complex as crucial issues are fixed, presents very well why using for to iterate file lines is a a bad idea. Plus, the expansion aspect mentioned by @mklement0 (even though that probably can be circumvented by bringing in escaped quotes, which again makes things more complex and less readable).

Oct 3, 2012 · Iterate through a C++ Vector using a 'for' loop Asked 12 years, 10 months ago Modified 1 year, 6 months ago Viewed 1.2m times

How to iterate (keys, values) in JavaScript? [duplicate] Asked 9 years, 6 months ago Modified 3 years, 10 months ago Viewed 1.2m times

See this answer for a comprehensive ways to iterate over a dataframe. The most performant way is probably itertuples(). Following is an example where a nested dictionary is created using a loop on the grouped dataframe: out = {} for k, g in grouped: # loop over groupby out[k] = {} for row in g.itertuples(): # loop over dataframe

This question has been out here a long time, but I wanted to contribute how I usually iterate through a JSON object. In the example below, I've shown a hard-coded string that contains the JSON, but the JSON string could just as easily have come from a web service or a file.

Feb 24, 2012 · Possible duplicate of How can I iterate through a string and also know the index (current position)?. Don't worry about the index part in the answers.

66 This answer is to iterate over selected columns as well as all columns in a DF. df.columns gives a list containing all the columns' names in the DF. Now that isn't very helpful if you want to iterate over all the columns. But it comes in handy when …

How do I loop through a set of records from a select statement? Say I have a few records that I wish to loop through and do something with each record. Here's a primitive version of my select state...

Be aware that a cursor might be the simplest way to iterate. You may have heard that cursors are 'bad', but it is really iteration over tables that is bad compared to set-based operations. If you can't avoid iteration, a cursor might be the best way. Locking is another problem with cursors, but that is not relevant when using a table variable.

Apr 30, 2012 · I need to iterate through all .asm files inside a given directory and do some actions on them. How can this be done in a efficient way?