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What are “res” and “req” parameters in Express functions?
...red
request.method, which will be "GET" in this case, hence the app.get() call.
An array of HTTP headers in request.headers, containing items like request.headers.accept, which you can use to determine what kind of browser made the request, what sort of responses it can handle, whether or not it's a...
What are the differences between the urllib, urllib2, urllib3 and requests module?
... @PaulBiggar you say this is the best answer. But it does not really answer the question. I came here to find out about differences between urllib and urllib2. Especially about url encoding features. The answer: use requests! ;) Just saying you might want to clarify the question. As it st...
Does Swift have access modifiers?
...Enable an entity to be used outside the defining module (target). You typically use open or public access when specifying the public interface to a framework.
However, open access applies only to classes and class members, and it differs from public access as follows:
public classes and class mem...
Java 8 Distinct by property
...ey(Person::getName))
Note that if the stream is ordered and is run in parallel, this will preserve an arbitrary element from among the duplicates, instead of the first one, as distinct() does.
(This is essentially the same as my answer to this question: Java Lambda Stream Distinct() on arbitrary ...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...velopes are quite big.
ZeroMq is a very lightweight messaging system specially designed for high throughput/low latency scenarios like the one you can find in the financial world. Zmq supports many advanced messaging scenarios but contrary to RabbitMQ, you’ll have to implement most of them yourse...
What is the difference between 'log' and 'symlog'?
...
I finally found some time to do some experiments in order to understand the difference between them. Here's what I discovered:
log only allows positive values, and lets you choose how to handle negative ones (mask or clip).
syml...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...AMD documents it and compilers don't expose it.)
(Yes, these instructions all run on the same execution unit).
This dependency doesn't just hold up the 4 popcnts from a single loop iteration. It can carry across loop iterations making it impossible for the processor to parallelize different loop...
How do I get the path and name of the file that is currently executing?
I have scripts calling other script files but I need to get the filepath of the file that is currently running within the process.
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What's the difference between and
...pect.
There are a few cases with generics where extends Object is not actually redundant. For example, <T extends Object & Foo> will cause T to become Object under erasure, whereas with <T extends Foo> it will become Foo under erasure. (This can matter if you're trying to retain com...
jquery if div id has children
...children().length should be called instead of size() per jQuery docs here: api.jquery.com/size
– Brian Chavez
May 7 '11 at 5:06
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