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Comparing strings with == which are declared final in Java
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@phant0m taking the current wording of the specification, “The String object is newly created (§12.5) unless the expression is a constant expression (§15.28).” literally, applying an optimization in the non-final version is not allowed, as a “ne...
Function to return only alpha-numeric characters from string?
... = preg_replace("/[^A-Z]+/", "", $s);
The reason for the warning is that words like résumé contains the letter é that won't be matched by this. If you want to match a specific list of letters adjust the regular expression to include those letters. If you want to match all letters, use the appro...
C# Pass Lambda Expression as Method Parameter
...nd how would I define the lambda OUTSIDE of this getJobs method? In other words, what's the line before the call to getJobs() look like to define the lambda?
– Adam Levitt
Jan 12 '13 at 20:30
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How do I add a Maven dependency in Eclipse?
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Word of advice: Eclipse (at leat the latest version as of May 2016) locks up ocmpletely while rebuilding the central Maven repository index. And the status has been stuck on "0%" for five minutes now. Don't make any plans.
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Why can't I assign a *Struct to an *Interface?
... describes it exactly here :
Interface values are represented as a two-word pair giving a pointer
to information about the type stored in the interface and a pointer to
the associated data.
This is why Interface, and not *Interface is the correct type to hold a pointer to a struct implem...
How to version REST URIs
...header provide the complete semantic description of the message. In other words, your media type is your data contract. If you deliver application/xml or application/json you are telling the client nothing about what is contained in that XML/Json. The instant that a client application reaches in ...
What is Domain Driven Design?
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graph databases
using functional languages
Domain object:
In very naive words, an object which
has name based on business process/flow
has complete control on its internal state i.e exposes methods to manipulate state.
always fulfill all business invariants/business rules in context of its use.
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What does $(function() {} ); do?
...nction() {
});
So a jQuery function, which is prefixed with the $ or the word jQuery generally is called from within that method.
$(document).ready(function() {
// Assign all list items on the page to be the color red.
// This does not work until AFTER the entire DOM is "r...
What does a just-in-time (JIT) compiler do?
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JIT-Just in time
the word itself says when it's needed (on demand)
Typical scenario:
The source code is completely converted into machine code
JIT scenario:
The source code will be converted into assembly language like structure [for ex IL (i...
Is Java RegEx case-insensitive?
...Spans
You can also do /first(?i:second)third/
regular-expressions.info/Word Boundaries (there's always a \b between a \w and a \s)
Related questions
Can you make just part of a regex case-insensitive?
Case sensitive and insensitive in the same pattern
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