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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...ion must be automatically or manually enlisted in the transaction scope in order for your commands to participate in the transaction.
Q6. Yes, commands on a connection not participating in a transaction are committed as issued, even though the code happens to have executed in a transaction scope bl...
Get the time difference between two datetimes
... [Math.floor(diff.asHours()), diff.minutes(), diff.seconds()].join(':') in order to get the desired result. without a decimal in the first part
– KyleM
Aug 2 '17 at 23:08
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...how to map in web.xml?
@WebServlet works only on Servlet 3.0 or newer
In order to use @WebServlet, you only need to make sure that your web.xml file, if any (it's optional since Servlet 3.0), is declared conform Servlet 3.0+ version and thus not conform e.g. 2.5 version or lower. Below is a Servle...
How to detect if a script is being sourced
...ipt or on the line after the shebang (which, if used, should be for ksh in order for it to work under the most circumstances).
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Difference between Python's Generators and Iterators
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Higher-order functions passing around generators or generator functions may sound weird, but for me they have been coming up. I'm working in Apache Spark and it enforces a very functional programming style. The functions have to cre...
What's the $unwind operator in MongoDB?
...g and obtaining the data from your storage locations.
That being said, in order to understand the concept behind the $unwind parameter, you first must understand what the use case that you are trying to quote is saying. The example document from mongodb.org is as follows:
{
title : "this is my ti...
What is the difference between Bower and npm?
...tentionally injected into a particular context (usually another module) in order to make use of it
This means you can have multiple versions of the same external dependency (lodash, let's say) in various parts of your application, and they won't collide/conflict. (This happens surprisingly often, be...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
In case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
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Grid of responsive squares
...his is great. Just a heads-up for others: if you're using * { box-sizing: border-box; } you'll need to adjust the height and width in the .content div to 100%. :)
– Rob Flaherty
Oct 3 '14 at 2:46
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When to use std::forward to forward arguments?
...on from the title:
When to use std::forward to forward arguments?
In order to answer it, we should first introduce a notion of universal references. Scott Meyers gave this name and nowadays they are often called forwarding references. Basically, when you see something like this:
template<t...