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Java: Date from unix timestamp

... This is the right way: Date date = new Date (); date.setTime((long)unix_time*1000); share | improve this answer | follow | ...
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“x not in y” or “not x in y”

...am' not in 'spam and eggs' >>> dis.dis(notin) 2 0 LOAD_CONST 1 ('ham') 3 LOAD_CONST 2 ('spam and eggs') 6 COMPARE_OP 7 (not in) 9 POP_TOP 10 LOAD_CONST 0 (...
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Check if a String contains numbers Java

...ne could do this stuff but the engineers who invented it because it's basically a secret code that only the creators know until they share it. – JamisonMan111 Jun 21 '18 at 5:47 ...
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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ngodb.org/downloads 实验环境使用的Mongodb版本为mongodb-linux-x86_64-2.6.0 由三台虚拟机搭建,配置为单核,1G内存。实验环境如下: MongoDB的副本集不同于以往的主从模式。 在集群Master故障的时候,副本集可以自动投票,选举出新的Maste...
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

... cross join produces a cartesian product between the two tables, returning all possible combinations of all rows. It has no on clause because you're just joining everything to everything. A full outer join is a combination of a left outer and right outer join. It returns all rows in both tables t...
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What is the motivation for bringing Symbols to ES6?

... Most languages (all mainstream ones afaik) provide some mechanism, usually reflection, to get access to private anyway. – Esailija May 14 '14 at 10:58 ...
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How to set downloading file name in ASP.NET Web API

In my ApiController class, I have following method to download a file created by server. 9 Answers ...
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How to run a python script from IDLE interactive shell?

...s.call(['python', 'helloworld.py']) # Just run the program subprocess.check_output(['python', 'helloworld.py']) # Also gets you the stdout With arguments: subprocess.call(['python', 'helloworld.py', 'arg']) Read the docs for details :-) Tested with this basic helloworld.py: import sys if le...
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Check if a Windows service exists and delete in PowerShell

...ee Remove-Service doc) For example: $service = Get-WmiObject -Class Win32_Service -Filter "Name='servicename'" $service.delete() Or with the sc.exe tool: sc.exe delete ServiceName Finally, if you do have access to PowerShell 6.0: Remove-Service -Name ServiceName ...
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How do I get the key at a specific index from a Dictionary in Swift?

... Doesn't work... 'NSDictionary' is not convertible to '_ArrayBuffer<T>' – Chris Mar 7 '15 at 19:12  |  show 6 more c...