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When to use Hadoop, HBase, Hive and Pig?
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Versions of Hadoop
There are two versions of Hadoop available :
Hadoop 1.0
Hadoop 2.0
Hadoop 1.0
It has two main parts :
1. Data Storage Framework
It is a general-purpose file system called Hadoop Distributed File System (HDFS).
HDFS is schema-less
It simply stores data files and these da...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof InstallTrigger !== 'undefined';
// Safari 3.0+ "[object HTMLElementConstructor]"
var isSafari = /constructor/i.test(window.HTMLElement) || (function (p) { return p.toString() === "[object SafariR...
doGet and doPost in Servlets
...GET /sultans/shop//form1.jsp?name=Sam%20Sultan&iceCream=vanilla HTTP/1.0 optional headeroptional header<< empty line >>>
The name=value form data will be stored in an environment variable called QUERY_STRING.
This variable will be sent to a processing program (such as JSP, J...
How to print a query string with parameter values when using Hibernate
... - PRIVATE
2013-08-30 18:01:15,088 | binding parameter [11] as [VARCHAR] - 1.0
2013-08-30 18:01:15,088 | binding parameter [12] as [VARCHAR] - 32
2013-08-30 18:01:15,088 | binding parameter [13] as [VARCHAR] - MatchingStep
2013-08-30 18:01:15,089 | binding parameter [14] as [VARCHAR] -
2013-08-30 18...
How can I plot with 2 different y-axes?
...8 4.3 1980
65.4 3.9 66.9 3.7 63.5 3.8 1985
67.3 3.4 68.0 3.2 65.5 3.1 1990
69.1 3.0 68.7 3.0 67.5 2.6 1995
70.9 2.8 70.3 2.8 69.5 2.5 2000
72.4 2.5 71.7 2.6 71.1 2.3 2005
73.3 2.3 72.9 2.5 72.1 1.9 2010
74.3 2.2 73.8 2.4 73.2 1.8 2015
75.2 2.0 74.6 2.3 74.2 1.7 2020
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Generate random numbers uniformly over an entire range
...e you a negative value. Better to do something like: ((double)RAND_MAX) + 1.0
– Demi
Feb 2 '10 at 5:08
3
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Is it better to call ToList() or ToArray() in LINQ queries?
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It's 2020 outside and everyone is using .NET Core 3.1 so I decided to run some benchmarks with Benchmark.NET.
TL;DR: ToArray() is better performance-wise and does a better job conveying intent if you're not planning to mutate the collection.
[MemoryDiagnoser]
publ...
Difference between a “coroutine” and a “thread”?
...It does not matter how the co-routines suspend themselves. Back in Windows 3.1 int 03 was woven into any programs (or had to be placed in there) and in C# we add yield.
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Vertical (rotated) text in HTML table
...te(7.5deg); /* Opera 10.5 */
-webkit-transform: rotate(7.5deg); /* Saf3.1+, Chrome */
filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=0.083); /* IE6,IE7 */
-ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=0.083)"; /* IE8 */
}
<di...
Git branch strategy for small dev team [closed]
...eze, and perform testing. When you're happy, tag the release on master as v1.0.
Over time your users will find bugs in v1.0 so you'll want to create a branch from that tag (e.g. name it after the release 1.0) and fix those bugs in the branch. When you've got enough bugs fixed that you think it warr...