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Create Django model or update if exists
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@OmkarDeshpande identifier is just an example; you can pass in any valid django query, such as Person.objects.get_or_create(a=a, b=b, c=c, defaults={"name": name})
– Zags
Mar 14 '18 at 16:35
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Safely limiting Ansible playbooks to a single machine?
...all group of computers. Currently, I have my playbooks set to hosts: all and my hosts file is just a single group with all machines listed:
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T-SQL: Using a CASE in an UPDATE statement to update certain columns depending on a condition
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I know this is a very old question and the problem is marked as fixed. However, if someone with a case like mine where the table have trigger for data logging on update events, this will cause problem. Both the columns will get the update and log will make use...
Why doesn't nodelist have forEach?
... why NodeList doesn't inherit from Array, thus allowing it to have forEach and all the rest.
The answer is found on this es-discuss thread. In short, it breaks the web:
The problem was code that incorrectly assumed instanceof to mean that the instance was an Array in combination with Array.prototyp...
How to replace a single word under cursor?
... slashes (e.g. /usr/bin/bash or 1222.333)? It looks like vim interprets / and . as end of the word and won't select the entire string.
– Alexander Cska
May 1 at 21:47
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Check if application is on its first run [duplicate]
I am new to android development and and I want to setup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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How to configure Sublime Text 2/3 to use direct Ctrl+Tab order and to create new tabs after the last
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To achieve the Ctrl+Tab and Ctrl+Shift+Tab behavior you can add the following lines to your sublime-keymap:
{ "keys": ["ctrl+tab"], "command": "next_view" },
{ "keys": ["ctrl+shift+tab"], "command": "prev_view" }
To open sublime-keymap:
click "...
doesn't inherit the font from
I have input and label fields:
4 Answers
4
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Django removing object from ManyToMany relationship
...jango's Relations Docs
Note: you might have to get an instance of my_mood and my_interest using Django's QuerySet API before you can execute this code.
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Copy entire contents of a directory to another using php
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It seems that copy only handle single files. Here is a function for copying recursively I found in this note on the copy documentation page:
<?php
function recurse_copy($src,$dst) {
$dir = opendir($src);
@mkdir($dst);
while(false ...