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What is the difference between JSF, Servlet and JSP?
...ts (beans) or
Enterprise JavaBeans components
(enterprise beans) to perform
processing on the server. As such, JSP
technology is a key component in a
highly scalable architecture for
web-based applications.
See https://jcp.org/en/introduction/faq
A: JavaServer Faces technology is a...
Counting DISTINCT over multiple columns
... |
edited Sep 4 '14 at 14:01
answered Jul 6 '12 at 23:01
Ja...
Export to CSV via PHP
...ng
$now = gmdate("D, d M Y H:i:s");
header("Expires: Tue, 03 Jul 2001 06:00:00 GMT");
header("Cache-Control: max-age=0, no-cache, must-revalidate, proxy-revalidate");
header("Last-Modified: {$now} GMT");
// force download
header("Content-Type: application/force-download");...
SQL query to select dates between two dates
...ance from Calculation where EmployeeId = 1
and Date between '2011/02/25' and '2011/02/27'
or can use
select Date, TotalAllowance from Calculation where EmployeeId = 1
and Date >= '2011/02/25' and Date <= '2011/02/27'
keep in mind that the first date is inclusive,...
How can I create a correlation matrix in R?
...) #package corrplot
corrplot(M, method = "circle") #plot matrix
More information here: http://cran.r-project.org/web/packages/corrplot/vignettes/corrplot-intro.html
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...
Create a date from day month and year with T-SQL
...ST(d AS varchar) AS DATETIME)
Please see my other answer for SQL Server 2012 and above
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how do you filter pandas dataframes by multiple columns
...aFrame): dataframe
filter_values (None or dict): Dictionary of the form:
`{<field>: <target_values_list>}`
used to filter columns data.
"""
import numpy as np
if filter_values is None or not filter_values:
return df
return df[
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Are fluid websites worth making anymore? [closed]
...|
edited May 23 '17 at 12:01
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answered Sep 11 '09 at 23:12
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Detect the specific iPhone/iPod touch model [duplicate]
...answer?
– rckoenes
Dec 21 '15 at 11:01
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What’s the best RESTful method to return total number of items in an object?
...lts. So to respect that, I think we should use headers to transmit other informations like total, next page token and previous page token. I never tried it and I need advice from other developers.
– Loenix
Oct 24 '16 at 6:55
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