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Dynamically Changing log4j log level
What are the different approaches for changing the log4j log level dynamically, so that I will not have to redeploy the application. Will the changes be permanent in those cases?
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Sending mail from Python using SMTP
...email.* modules to generate MIME messages; so this script can be easily modified to attach pictures, etc.
I rely on my ISP to add the date time header.
My ISP requires me to use a secure smtp connection to send mail, I rely on the smtplib module (downloadable at http://www1.cs.columbia.edu/~db2501...
Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
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Just wanted to point out another reason this error can be thrown is if you defined a string resource for one translation of your app but did not provide a default string resource.
Example of the Issue:
As you can see below, I had a string resource for a Spanish string "get_started". It ca...
Role/Purpose of ContextLoaderListener in Spring?
...live. The purpose of the ContextLoaderListener is two-fold:
to tie the lifecycle of the ApplicationContext to the lifecycle of the ServletContext and
to automate the creation of the ApplicationContext, so you don't have to write explicit code to do create it - it's a convenience function.
Anot...
How to programmatically disable page scrolling with jQuery
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Also, if body had an overflow of anything other than auto, it would be overwritten. I needed to preserve the existing setting, so that adds some overhead too.
– tfe
Sep 7 '10 at 12:43
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How to order by with union in SQL?
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What if I want the sort to be applied on only the top one of the UNION ?
– marifrahman
Dec 15 '15 at 5:59
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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
...r elements. Some map
implementations, like the TreeMap
class, make specific guarantees as to
their order; others, like the
HashMap class, do not.
-- Map
This linked list defines the iteration
ordering, which is normally the order
in which keys were inserted into the
map (insertio...
Select mySQL based only on month and year
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If you have
$_POST['period'] = "2012-02";
First, find the first day of the month:
$first_day = $_POST['period'] . "-01"
Then this query will use an index on Date if you have one:
$q = "
SELECT *
FROM project...
Use String.split() with multiple delimiters
...[-.]+". The + after treats consecutive delimiter chars as one. Remove plus if you do not want this.
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how to read System environment variable in Spring applicationContext
...n command line. You can read this property via System.getProperty("prop"). If you would like to read a OS property then use System.getenv("os-env-variable"). See javadoc: docs.oracle.com/javase/6/docs/api/java/lang/System.html
– amra
Jan 20 '14 at 16:54
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