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Scala Doubles, and Precision
Is there a function that can truncate or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
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How can I replace a newline (\n) using sed?
How can I replace a newline (" \n ") with a space (" ") using the sed command?
42 Answers
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Format a number as 2.5K if a thousand or more, otherwise 900
I need to show a currency value in the format of 1K of equal to one thousand, or 1.1K, 1.2K, 1.9K etc, if its not an even thousands, otherwise if under a thousand, display normal 500, 100, 250 etc, using javascript to format the number?
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
... all the elements of a single ArrayList. It's a fast operation, as it just sets the array elements to null.
The removeAll(Collection) method, which is inherited from AbstractCollection, removes all the elements that are in the argument collection from the collection you call the method on. It's a r...
The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
...regiis.exe -i
Next once that's run and finished, sometimes running
iisreset
from the command line helps, sometimes you don't need to.
Next, go to your IIS Manager and find you localhost website and choose add a folder.
Browse to the folder in your project that contains the actual ASP.Net proje...
Loop through an array php
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What are the disadvantages to declaring Scala case classes?
...'t be a case class too — that's the restriction.
– Seth Tisue
Jan 12 '11 at 14:37
add a com...
How to format numbers? [duplicate]
I want to format numbers using JavaScript.
17 Answers
17
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Retrieving the last record in each group - MySQL
...p2
ON (p1.postid = p2.maxpostid)
WHERE p1.owneruserid = 20860;
1 row in set (1 min 17.89 sec)
Even the EXPLAIN analysis takes over 16 seconds:
+----+-------------+------------+--------+----------------------------+-------------+---------+--------------+---------+-------------+
| id | select_ty...
php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
php中json_decode()和json_encode()的使用方法1.json_decode()json_decode(PHP 5 >= 5.2.0, PECL json >= 1.2.0)json_decode — 对 JSON 格式的字符串进行编码说明mixed jso...1.json_decode()
(PHP 5 >= 5.2.0, PECL json >= 1.2.0)
对 JSON 格式的字符串进行编码
说明：
mix...