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TypeScript static classes
...ted. Also tslint won't let you do that anymore for modules and namespaces. Read here: palantir.github.io/tslint/rules/no-namespace
– Florian Leitgeb
Nov 14 '17 at 13:24
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What is in your Mathematica tool bag? [closed]
..., GatherBy would produce the same result.) In this case, the points are already in a form that I will use, but I only need a representative point from each grouping and I'd like a count of the equivalent points. Since, I don't need to transform each point, I use the Identity function in the second...
Send attachments with PHP Mail()?
...
I was the same - wanted to use mail() just because I already had it in my code. PHPMAILER took me less than 5 minutes to getting send attachments!
– James Wilson
Dec 12 '13 at 10:28
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Catch an exception thrown by an async void method
...
It's somewhat weird to read but yes, the exception will bubble up to the calling code - but only if you await or Wait() the call to Foo.
public async Task Foo()
{
var x = await DoSomethingAsync();
}
public async void DoFoo()
{
try
{
...
What modern C++ libraries should be in my toolbox? [closed]
...ACE
Boost.Asio
ICE
Testing
Boost.Test
Google Test
UnitTest++
doctest
Threading
Boost.Thread
Version Control
libgit2
Web Application Framework
CppCMS
Wt
XML
Libxml2
pugixml
RapidXml
TinyXML
Xerces-C++
Links to additional lists of open source C++ libraries:
http://en.cppreference....
How does Java Garbage Collection work with Circular References?
...as the following GC roots:
Local variables in the main method
The main thread
Static variables of the main class
To determine which objects are no longer in use, the JVM intermittently runs what is very aptly called a mark-and-sweep algorithm. It works as follows
The algorithm traverses all ...
Do sealed classes really offer performance Benefits?
...resting in that it sounds like technical goodness but is in fact nonsense. Read the comments on the article for more info. Summary: the 3 reasons given are Versioning, Performance, and Security/Predictability - [see next comment]
– Steven A. Lowe
Oct 14 '08 at ...
What is a Y-combinator? [closed]
...
If you're ready for a long read, Mike Vanier has a great explanation. Long story short, it allows you to implement recursion in a language that doesn't necessarily support it natively.
...
Show pending migrations in rails
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How do you read the output of this command? If the status of a row is "down", does that mean it's a pending migration?
– Dennis
Feb 13 '15 at 15:00
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Difference between Mock / Stub / Spy in Spock test framework
... under test. You could say a stub is a fancy mock. In Spock you will often read about stub methods.
A spy is kind of a hybrid between real object and stub, i.e. it is basically the real object with some (not all) methods shadowed by stub methods. Non-stubbed methods are just routed through to the o...