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Generate random numbers using C++11 random library
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Stephan T. Lavavej (stl) from Microsoft did a talk at Going Native about how to use the new C++11 random functions and why not to use rand(). In it, he included a slide that basically solves your question. I've copied the code from that slide below.
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ViewModel Best Practices
From this question , it looks like it makes sense to have a controller create a ViewModel that more accurately reflects the model that the view is trying to display, but I'm curious about some of the conventions (I'm new to the MVC pattern, if it wasn't already obvious).
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Is Zookeeper a must for Kafka?
...roducer and multiple consumers (each consumer getting its own copy of data from the broker). Given this, I do not want the overhead of using Zookeeper; Can I not just use the broker only? Why is a Zookeeper must?
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
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@grundic Sort of. We renamed cvtres.exe from the Win 7 sdk so that link.exe doesn't find it and instead uses the new one from .NET 4.5. The Windows 8 SDK no longer contains the command line tools. You now have to install at least Visual Studio 2012 Express for Desk...
How to convert Set to Array?
...ndeed, there are several ways to convert a Set to an Array:
using Array.from
let array = Array.from(mySet);
Simply spreading the Set out in an array
let array = [...mySet];
The old fashion way, iterating and pushing to a new array (Sets do have forEach)
let array = [];
mySet.forEach(v =>...
What is the recommended way to delete a large number of items from DynamoDB?
...as usual, see the ExclusiveStartKey parameter:
Primary key of the item from which to continue an earlier query. An
earlier query might provide this value as the LastEvaluatedKey if that
query operation was interrupted before completing the query; either
because of the result set size or th...
How do I remove duplicate items from an array in Perl?
...tputs:
one two three
If you want to use a module, try the uniq function from List::MoreUtils
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Creating a range of dates in Python
...pport for date ranges.
For example pd.date_range():
import pandas as pd
from datetime import datetime
datelist = pd.date_range(datetime.today(), periods=100).tolist()
It also has lots of options to make life easier. For example if you only wanted weekdays, you would just swap in bdate_range.
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Lock-free multi-threading is for real threading experts
...e requirements sounds great, doesn't it?
Most of the fun however can come from ensuring correct load/store ordering.
Contrary to one's intuitions, CPUs are free to reorder memory reads/writes - they are very smart, by the way: you will have a hard time observing this from a single thread. You will,...
How do I delete an item or object from an array using ng-click?
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To remove item you need to remove it from array and can pass bday item to your remove function in markup. Then in controller look up the index of item and remove from array
<a class="btn" ng-click="remove(item)">Delete</a>
Then in controller:
$sc...