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What is the difference between string primitives and String objects in JavaScript?
...art from being a full fledged object, serves as a wrapper for v8::String.
Now it is only logical, a call to new String('').method() has to unbox this v8::StringObject's v8::String before executing the method, hence it is slower.
In many other languages, primitive values do not have methods.
The...
What is unit testing and how do you do it? [duplicate]
...un an exhaustive examination of your program's capabilities. So then you know it works and therefore write fewer bugs as well as fixing bugs with greater speed.
– robertpostill
Mar 16 '09 at 23:06
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Is there a properly tested alternative to Select2 or Chosen? [closed]
... suite of tests using a combination of testem, syn, mocha, and chai. Right now there are the following classes of tests:
InteractionFunctional tests that makes sure the control behaves as if the user is using it (using syn).
SetupEnsures the control can be initialized properly from existing <se...
Efficient string concatenation in C++
...ly will have much better efficiency simply by using operator += instead.
Now after that disclaimer, I will answer your actual question...
The efficiency of the STL string class depends on the implementation of STL you are using.
You could guarantee efficiency and have greater control yourself by...
Why is no one using make for Java?
... has a lot of "features" that may have made sense when it was written, but now are more like bugs, e.g., you must use a TAB character, not spaces, in certain places. That sort of thing probably doesn't bother people who are really experienced in make, but it drives the rest of us nuts.
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NuGet auto package restore does not work with MSBuild
...n't dated that I can see and I don't see how it says it is not recommended now? I'm on VS2013 and that button appears to work fine. I did not have the problem referenced, "So, you clicked "Enable Nuget Package Restore" and now your stuff doesn't build. The steps to fix it are painful, but less painf...
What to use now Google News API is deprecated? [closed]
As part of a Project I'm working on I've been instructed to implement Google News API into a Web Application.
3 Answers
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How to get time in milliseconds since the unix epoch in Javascript? [duplicate]
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Date.now() returns a unix timestamp in milliseconds.
const now = Date.now(); // Unix timestamp in milliseconds
console.log( now );
Prior to ECMAScript5 (I.E. Internet Explorer 8 and older) you needed to construct a Da...
What is the significance of load factor in HashMap?
...crease the likelyhood of hash collisions? -- The hashing algorithm has no knowledge of how many items are in the map or how often it acquires new storage "buckets", etc. For any set of objects of the same size, regardless of how they are stored, you should have the same probability of repeated hash...
Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...en using core.autocrlf, the bogus "LF
will be replaced by CRLF" warning is now suppressed.
As quaylar rightly comments, if there is a conversion on commit, it is to LF only.
That specific warning "LF will be replaced by CRLF" comes from convert.c#check_safe_crlf():
if (checksafe == SAFE_CRLF_WA...