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What is the fastest way to compare two sets in Java?
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firstSet.equals(secondSet)
It really depends on what you want to do in the comparison logic... ie what happens if you find an element in one set not in the other? Your method has a void return type so I assume you'll do the necessary work in this method.
M...
Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...e, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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How to modify a text file?
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This is an operating system thing, not a Python thing. It is the same in all languages.
What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the f...
Visual C++: How to disable specific linker warnings?
... /wd4099 will not work), but what you can do instead is patch link.exe (usually C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe) to remove it from said list . Sounds like a jackhammer, i know. It works though.
For instance, if you want to remove the warning for 4099, open link.e...
How can I pad a value with leading zeros?
... If performance is a concern for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is there since ECMAScript 3.1. Example:
var n=-0.1;
n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2...
TCP: can two different sockets share a port?
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A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and serv...
Light weight alternative to Hibernate? [closed]
...what a terrible name). It was much more work than Hibernate. Hibernate really saves a lot of SQL coding and helps with parent-child relationships. I also looked at a few ActiveRecord style ORM's for Java. None seemed mature or any easier than Hibernate. So, I'm going back to Hibernate.
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deciding among subprocess, multiprocessing, and thread in Python?
I'd like to parallelize my Python program so that it can make use of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchan...
What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
...ased presentation framework.
JavaServer Pages is a view technology used by all mentioned presentation framework for the view.
Tapestry is another component-based presentation framework.
So, to summarize:
Struts 2, JSF, Tapestry (and Wicket, Spring MVC, Stripes) are presentation frameworks. If yo...
Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
...sue, resolved using command line "xcodebuild" tool script, which is preinstalled with Xcode 6 (didn't need to re-install Xcode 5).
http://www.thecave.com/2014/09/16/using-xcodebuild-to-export-a-ipa-from-an-archive/
Script in terminal:
xcodebuild -exportArchive -archivePath $projectname.xcarchive ...