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Is there a range class in C++11 for use with range based for loops?
...ry, it has one major disadvantage : that you cannot create the range at runtime, as you need to know the template arguments at compile time itself.
//your version
auto x = range<m,n>(); //m and n must be known at compile time
//my version
auto x = range(m,n); //m and n may be known at runti...
A migration to add unique constraint to a combination of columns
...it doesn't scale. Two servers could run the same data through at the same time (like a double tap on an api heavy app) I have two identical records in my DB right now and the model has the validation..
– baash05
Mar 17 '15 at 1:26
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Querying DynamoDB by date
...o it is not ideal.
If you need to perform an indexed lookup of records by time across multiple primary keys, DynamoDB might not be the ideal service for you to use, or you might need to utilize a separate table (either in DynamoDB or a relational store) to store item metadata that you can perform a...
From ND to 1D arrays
...
a.ravel() looks to be around three times as fast as a.reshape(-1). a.flatten() is way slower, as it needs to make a copy.
– BallpointBen
Aug 29 '18 at 22:52
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Finding JavaScript memory leaks with Chrome
...://jsfiddle.net/4QhR2/show/
I was never able to figure out how to use the Timeline and Profiler to track down memory leaks, until I read the following documentation. After reading the section entitled 'Object allocation tracker' I was able to use the 'Record Heap Allocations' tool, and track some s...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
...reens(MacBook Pro 15-Inch), I can't scale it more than the screen size sometimes if I want to see the UI elements more clearly. It's a kind of disadvantage in Xcode 9.
– Ashok
Sep 21 '17 at 11:03
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How to find the last field using 'cut'
...
This is universal and it works exactly as expected every time. In this scenario, using cut to achieve the OP's final output is like using a spoon to "cut" steak (pun intended :) ) . awk is the steak knife.
– Hickory420
Oct 11 '18 at 1:04
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Invalidating JSON Web Tokens
... you would only need to store tokens that were between logout & expiry time (this is a gut feeling, and is definitely dependent on context).
3) Just keep token expiry times short and rotate them often
If you keep the token expiry times at short enough intervals, and have the running client keep ...
Virtual/pure virtual explained
...amic dispatch is facilitated. This concept is an important part of the (runtime) polymorphism portion of object-oriented programming (OOP). In short, a virtual function defines a target function to be executed, but the target might not be known at compile time.
Unlike a non-virtual function, when ...
How to override equals method in Java
...e
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