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What is a stack trace, and how can I use it to debug my application errors?
...
There is a JEP openjdk.java.net/jeps/8220715 that aims to further improve the comprehensibility of especially NPEs by providing details like "Cannot write field 'nullInstanceField' because 'this.nullInstanceField' is null."
– Mahat...
What is the difference between inversedBy and mappedBy?
...ion is the entity with the table containing the foreign key.
See https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/unitofwork-associations.html
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Choose File Dialog [closed]
...the OI File Manager has a public api registered at openintents.org
http://www.openintents.org/filemanager
http://www.openintents.org/action/org-openintents-action-pick-file/
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What is the difference between and ?
...contents would be listed explicitly in the document’s outline.
(https://www.w3.org/TR/html/sections.html#the-section-element)
<div>
The <div> element has no special meaning at all. It represents its children. It can be used with the class, lang, and title attributes to mark up semant...
Remove Trailing Spaces and Update in Columns in SQL Server
...ata from excel file using ETL
and finaly i found solution there :
https://www.codeproject.com/Tips/330787/LTRIM-RTRIM-doesn-t-always-work
hope it helps ;)
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How to base64 encode image in linux bash / shell
...ble data back:
base64 -d DSC_0251.base64 > DSC_0251.JPG
See: http://www.greywyvern.com/code/php/binary2base64
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How to extract year and month from date in PostgreSQL without using to_char() function?
...6 20:38:40'),
date_part('year', timestamp '2001-02-16 20:38:40')
http://www.postgresql.org/docs/8.0/interactive/functions-datetime.html
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TemplateDoesNotExist - Django Error
... to 'side-step' this error message.
More info from the docs here: http://www.django-rest-framework.org/topics/browsable-api/#formats
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nginx: send all requests to a single html page
..._core_module.html#try_files
So I ended up using the following:
root /var/www/mysite;
location / {
try_files $uri /base.html;
}
location = /base.html {
expires 30s;
}
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Which characters need to be escaped in HTML?
...9 after JSON serialisation.)
HTML Escape Characters: Complete List:
http://www.theukwebdesigncompany.com/articles/entity-escape-characters.php
So you need to escape <, or & when followed by anything that could begin a character reference. Also The rule on ampersands is the only such rule for ...