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Is there a performance difference between i++ and ++i in C++?
...es t get updated if you're incrementing this. Weren't the values of this already copied into t?
– rasen58
Nov 11 '17 at 3:37
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INNER JOIN ON vs WHERE clause
...JOIN is ANSI syntax which you should use.
It is generally considered more readable, especially when you join lots of tables.
It can also be easily replaced with an OUTER JOIN whenever a need arises.
The WHERE syntax is more relational model oriented.
A result of two tables JOINed is a cartesian ...
Difference between objectForKey and valueForKey?
...e] timeIntervalSinceDate:start];
vtotal+=elapsed;
NSLog (@"reading %lu values off dictionary via valueForKey took: %10.4f seconds", keys.count, elapsed);
start = [NSDate date];
for (NSString *key in keys) {
id obj = [dict objectForKey:key];
}
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Websocket API to replace REST API?
...me at them. I don't have any yet, but hope to soon.
Below is a list of to-read-later links that I've been collecting. I can't vouch that they are all worthwhile, as I've only skimmed many of them. But hopefully some will help.
Great tutorial on using Socket.IO with Express. It exposes express se...
What's the difference between passing by reference vs. passing by value?
...
@YungGun "too long, didn't read". A glance shows exactly the confusions outlined in the answer. Pass by reference is an abstract technique agnostic to implementation. It doesn't matter what exactly is passed under the hood, it matters what the effect o...
What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
...same patterns. Some of the patterns have made their way in to Marionette already, but some haven't yet.
http://lostechies.com/derickbailey/2011/07/19/references-routing-and-the-event-aggregator-coordinating-views-in-backbone-js/
http://lostechies.com/derickbailey/2012/04/03/revisiting-the-backbon...
How to sign an android apk file
...xport Wizard and your application will be compiled,
signed, aligned, and ready for
distribution.
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Iterator Loop vs index loop [duplicate]
... and/or different stride would do just fine and possibly will be even more readable. But using several iterators to iterate several containers simultaneously doesn't look very elegant and most likely indexes should be used in this case.
– Predelnik
May 16 '14 a...
What is “lifting” in Scala?
Sometimes when I read articles in the Scala ecosystem I read the term "lifting" / "lifted". Unfortunately, it is not explained what that exactly means. I did some research, and it seems that lifting has something to do with functional values or something like that, but I was not able to find a text ...
Using node.js as a simple web server
...served to it but as a regular HTML page (i.e., same experience as when you read normal web pages).
32 Answers
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