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Booleans, conditional operators and autoboxing
...in E1!) and boolean respectively, so no specific typing clause applies (go read 'em!), so the final "otherwise" clause applies:
Otherwise, the second and third operands are of types S1 and S2 respectively. Let T1 be the type that results from applying boxing conversion to S1, and let T2 be the t...
How can I get the current date and time in UTC or GMT in Java?
...enting.
DateTimeZone zoneDefault = DateTimeZone.getDefault();
ISO 8601
Read about ISO 8601 formats. Both java.time and Joda-Time use that standard’s sensible formats as their defaults for both parsing and generating strings.
† Actually, java.util.Date does have a time zone, buried deep un...
Source code highlighting in LaTeX
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@Paŭlo Thanks. I try to read all mentions of the package (I’ve got a Google alert) but I don’t always succeed. The question you mentioned I’ve actually read (apparently: I upvoted it but I can’t remember) but it’s not at all straightforwar...
Difference between a Message Broker and an ESB
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Read the who thing here "ESB Inventor" RIDDLE SOLVED businessreviewonline.com/blog/archives/2005/08/…
– Franklin
Apr 23 '09 at 20:11
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UDP vs TCP, how much faster is it? [closed]
... might do to implement reliability can end up being slower than what TCP already does.
Now you're network-unfriendly, which can cause problems in shared environments.
Most importantly, firewalls will block you.
You can potentially overcome some TCP performance and latency issues by "trunking" mult...
What should I do if the current ASP.NET session is null?
In my web application, I do something like this to read the session variables:
5 Answers
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Best way to select random rows PostgreSQL
... table and then picks the first 1000 items. Sorting a large table not only reads that table but also involves reading and writing temporary files. The where random() < 0.1 only scans the complete table once.
For large tables this might not what you want as even one complete table scan might take...
What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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What should be in my .gitignore for an Android Studio project?
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Building on my normal Android .gitignore, and after reading through documentation on the Intellij IDEA website and reading posts on StackOverflow, I have constructed the following file:
# built application files
*.apk
*.ap_
# files for the dex VM
*.dex
# Java class files
*....
The JPA hashCode() / equals() dilemma
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Read this very nice article on the subject: Don't Let Hibernate Steal Your Identity.
The conclusion of the article goes like this:
Object identity is deceptively hard to implement correctly when
objects are persisted t...