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What's invokedynamic and how do I use it?
I keep hearing about all the new cool features that are being added to the JVM and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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PostgreSQL query to list all table names?
Is there any query available to list all tables in my Postgres DB.
7 Answers
7
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Sorting a set of values [closed]
...td::set does expose the ordering (not just in the obvious ways through the API; the ordering function is actually part of the type of any given set). The fact that the elements are always kept sorted by a strict weak order is part of the very definition of the concept. So, your argument is moot. But...
Simplest way to wait some asynchronous tasks complete, in Javascript?
...JavaScript. In that case I advice looking at async module and use async.parallel(...). You will find this module really helpful - it was developed to solve the problem you are struggling with. Your code may look like this
var async = require('async');
var calls = [];
['aaa','bbb','ccc'].forEach(f...
Java: Get month Integer from Date
...o the reader: You may want to specify a time zone rather than rely on the call for default shown in the Answer. A new day (and month) dawns earlier in Paris, for example, than Montréal. If you care specifically about Montréal, the use ZoneId.of( "America/Montreal" ).
– Basil ...
When is TCP option SO_LINGER (0) required?
...void large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("active close") ends up with the connection sitting in TIME_WAIT for several minutes. So if your protocol i...
Non-CRUD operations in a RESTful service
...dding non-CRUD operations to a RESTful service? Say I have a service that allows CRUD access to records like this:
4 Answe...
Android SDK Manager Not Installing Components
Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
通过API获取IP信息、IP归属地 - 更多技术 - 清泛网 - 专注C/C++及内核技术
通过API获取IP信息、IP归属地开发网站时有时需要获取用户IP地址相应的归属地信息，如ip所属区域、运营商等。一般采取调用第三方api的方式来获取ip信息，本文对常用的api做一个总结。一、淘宝API接口：http://ip.taobao.com/service/get...
How to compare two Dates without the time portion?
...stance().compare(first, second);
("Use Joda Time" is the basis of almost all SO questions which ask about java.util.Date or java.util.Calendar. It's a thoroughly superior API. If you're doing anything significant with dates/times, you should really use it if you possibly can.)
If you're absolutel...