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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
... lot about them lately, but I'm still unsure why I would want to implement one, and under what circumstances I would want to use one.
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How to get next/previous record in MySQL?
Say I have records with IDs 3,4,7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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What is the difference between an IntentService and a Service? [duplicate]
...tion and cleanup.
From the docs:
Service
A Service is an application component representing either an application's desire to perform a longer-running operation while not interacting with the user or to supply functionality for other applications to use.
IntentService
Service is a base class for ...
How do I check if a string is a number (float)?
... try clause, so I would put the return True in an else clause of the try. One of the reasons is that with the code in the question, if I had to review it, I would have to check that the second statement in the try clause cannot raise a ValueError: granted, this does not require too much time or bra...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
... has the ability to edit and display numbers, among other things. The best one that I could come up with within my price range (free) was Chris Maunder's MFC Grid 2.25 [^]. But unfortunately, for me it needed some modifications to get it to work the way I wanted. The one modification I present here...
UnicodeDecodeError when reading CSV file in Pandas with Python
...g = "utf-8" for reading, and generally utf-8 for to_csv.
You can also use one of several alias options like 'latin' instead of 'ISO-8859-1' (see python docs, also for numerous other encodings you may encounter).
See relevant Pandas documentation,
python docs examples on csv files, and plenty of re...
How can I rollback a github repository to a specific commit?
...eed to rollback the repository to commit 80, and remove all the subsequent ones.
6 Answers
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Functional programming - is immutability expensive? [closed]
... more reasonable benchmark of Quicksort, recognizing that this is probably one of the worst cases for FP vs. mutable algorithms, and ignoring the data-structure issue (i.e. pretending that we can have an immutable Array):
object QSortExample {
// Imperative mutable quicksort
def swap(xs: Array[...
Sort a text file by line length including spaces
...g to rebuild the whole of $0 (based on the separator, etc) when you change one field. I guess it's not crazy behaviour. It has this:
"Finally, there are times when it is convenient to force awk to rebuild the entire record, using the current value of the fields and OFS. To do this, use the seemin...
How do I use $rootScope in Angular to store variables?
... I believe that they are saying not to have a service that appears in only one controller. I can't count how many places the staff that developed Angular have specifically said that services are the official way to pass data between controllers. Look around the mailing list, ask the various Angular ...