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How to create an array containing 1…N
...ders of magnitude SLOWER than a primitive for loop: jsperf.com/array-magic-vs-for
– warpech
Jan 24 '14 at 13:59
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Simple way to find if two different lists contain exactly the same elements?
... work if different elements are duplicated in the two lists. eg: [A, A, B] vs [A, B, B] are equal size.
– Laurence Gonsalves
Jul 4 '09 at 18:41
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How to parse the AndroidManifest.xml file inside an .apk package
...t Packaging Tool (aapt), from the Android SDK, into a Python (or whatever) script?
Through the aapt (http://elinux.org/Android_aapt), indeed, you can retrieve information about the .apk package and about its AndroidManifest.xml file. In particular, you can extract the values of individual elements ...
What is the difference between ELF files and bin files?
...me gnu problems in general creating .bin files as well as debugging linker scripts and other things that can help to mess up your bin or elf output.
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Difference between ApiController and Controller in ASP.NET MVC
... good thing. but this functionality is already built in with vs2015. if you create webapi asp.net project, it will automaitcally do all boiler plate code for you.
– suomi-dev
Sep 16 '18 at 8:43
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
... is called a static variable." msdn.microsoft.com/en-us/library/aa691162(v=vs.71).aspx But you are right on rest of the explanation.
– Teoman shipahi
Mar 27 '17 at 20:31
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Meaning of Open hashing and Closed hashing
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The use of "closed" vs. "open" reflects whether or not we are locked in to using a certain position or data structure (this is an extremely vague description, but hopefully the rest helps).
For instance, the "open" in "open addressing" tells us...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
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before_create vs before_save :on => :create
Sometimes you have to be careful of the order of the callbacks
See here for more details:
http://pivotallabs.com/activerecord-callbacks-autosave-before-this-and-that-etc/
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How can I generate a diff for a single file between two branches in github
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I used nulltoken's answer to put together a simple convenience script for pulling up a diff between two commits on GitHub from the command line.
You can find the full script on gist, but here are the good bits:
# Parse the following patterns for repo urls to get the github repo url
# h...
What is the relative performance difference of if/else versus switch statement in Java?
...vertheless, it's possible to talk about the relative performance of switch vs. if/else with the Java compiler optimizations. First note that in Java, switch statements operate on a very limited domain -- integers. In general, you can view a switch statement as follows:
switch (<condition>) {
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