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Why Java needs Serializable interface?
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I think both Java and .Net people got it wrong this time around, would have been better to make everything serializable by default and only need to mark those classes that can't be safely serialized instead.
For example in Smalltalk (a language cr...
Which Java Collection should I use?
...in your collection.
Here is the complete explanation http://javatutorial.net/choose-the-right-java-collection , including flowchart etc
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Determine the process pid listening on a certain port
...k -TERM $port/tcp # with SIGTERM
Also -k is supported by FreeBSD: http://www.freebsd.org/cgi/man.cgi?query=fuser
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...ime I try to save my contact, which is validated I get the exception "ADO.Net Entity Framework An entity object cannot be referenced by multiple instances of IEntityChangeTracker"
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Calculate MD5 checksum for a file
... use SHA-256 just out of habit :) I don't know about support for CRC32 in .NET offhand, but you can probably search for it as quickly as I can :)
– Jon Skeet
Jul 30 '14 at 13:40
12...
What's the difference between design patterns and architectural patterns?
...rns for smaller particles of applications.
For more information:
https://www.oreilly.com/ideas/contrasting-architecture-patterns-with-design-patterns
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Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
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Accessing JPEG EXIF rotation data in JavaScript on the client side
...he exif-js library in combination with the HTML5 File API: http://jsfiddle.net/xQnMd/1/.
$("input").change(function() {
var file = this.files[0]; // file
fr = new FileReader; // to read file contents
fr.onloadend = function() {
// get EXIF data
var exif = EXIF.re...
When should I use a table variable vs temporary table in sql server?
...e large then it hurts you bad.
My understanding is mostly based on http://www.developerfusion.com/article/84397/table-variables-v-temporary-tables-in-sql-server/, which has a lot more detail.
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How does inline Javascript (in HTML) work?
...ed in script tags or not, it's gonna be interpreted the same way.
https://www.w3.org/TR/html5/webappapis.html#event-handler-idl-attributes
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