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Best Practice: Initialize JUnit class fields in setUp() or at declaration?
...o initializing in the declaration or in a setup method both happen at test time. Also for one-time setup, one can use @BeforeClass in JUnit 4.
– Nils von Barth
Apr 24 '15 at 3:45
...
Overload with different return type in Java?
...nctions with same name and with same type and no. of arguments then at the time of calling how compiler will know about which one to be called, because function name and parameters are the same. At the time of calling firstly all the focus will be on arguments and function name and after the complet...
What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...a new version, just because of the querystring. Look at this page (at the time of this answer) for example:
<link ... href="http://sstatic.net/stackoverflow/all.css?v=c298c7f8233d">
I think instead of a revision number the SO team went with a file hash, which is an even better approach, ev...
What is the “Temporary ASP.NET Files” folder for?
...ly....and I really mean it:
When ASP.NET runs your app for the
first time, it copies any assemblies
found in the /bin folder, copies any
source code files (found for example
in the App_Code folder) and parses
your aspx, ascx files to c# source
files. ASP.NET then builds/compiles
al...
Could someone explain the pros of deleting (or keeping) unused code?
I have heard many times that unused code must be deleted from the project.
However it is not clear for me "why?".
11 Answer...
CharSequence VS String in Java?
... 3 approaches to returning the string content:
Build a String[] at parse time, one character at a time. This will take a noticeable amount of time. We can use == instead of .equals to compare cached references.
Build an int[] with offsets at parse time, then dynamically build String when a get() h...
Localization and internationalization, what's the difference?
...d localization QA have different test cases, Internationalization is a one-time cost (more or less), and so the more languages you localize to, the higher your ROI. i18n is generally more costly than l10n to any one locale.
– Mike Sickler
Feb 3 '09 at 13:04
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What does “pending” mean for request in Chrome Developer Window?
...asynchronous load of load.js:
<body>
...
<script>
setTimeout(function(){
var head, script;
head = document.getElementsByTagName("head")[0];
script = document.createElement("script");
script.src = "http://myserver/lib/load.js";
head.appendChild(scri...
Is a Java hashmap search really O(1)?
...een some interesting claims on SO re Java hashmaps and their O(1) lookup time. Can someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
...
Python Empty Generator Function
...other generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing the same thing.
It's a subtle difference, but I honestly think the yield-based functions are more readable and maintainable.
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