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Django - how to create a file and save it to a model's FileField?
... of the file. Note that new_contents must be an instance of either django.core.files.File or django.core.files.base.ContentFile (see given links to manual for the details). The two choices boil down to:
# Using File
f = open('/path/to/file')
self.license_file.save(new_name, File(f))
# Using Content...
What does -save-dev mean in npm install grunt --save-dev
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--save-dev: Package will appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that y...
How to convert an int to a hex string?
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You are looking for the chr function.
You seem to be mixing decimal representations of integers and hex representations of integers, so it's not entirely clear what you need. Based on the description you gave, I think one of these snippets s...
How do I convert Word files to PDF programmatically? [closed]
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Use a foreach loop instead of a for loop - it solved my problem.
int j = 0;
foreach (Microsoft.Office.Interop.Word.Page p in pane.Pages)
{
var bits = p.EnhMetaFileBits;
var target = path1 +j.ToString()+ "_image.doc";
t...
difference between #if defined(WIN32) and #ifdef(WIN32)
...single condition,
while #if defined(NAME) can do compound conditionals.
For example in your case:
#if defined(WIN32) && !defined(UNIX)
/* Do windows stuff */
#elif defined(UNIX) && !defined(WIN32)
/* Do linux stuff */
#else
/* Error, both can't be defined or undefined same time */...
Add characters to a string in Javascript
I need to add in a For Loop characters to an empty string. I know that you can use the function concat in Javascript to do concats with strings
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
...on 3.3) program to send some data to a webpage using POST method. Mostly for debugging process I am getting the page result and displaying it on the screen using print() function.
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How to create a new database using SQLAlchemy?
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On postgres, three databases are normally present by default. If you are able to connect as a superuser (eg, the postgres role), then you can connect to the postgres or template1 databases. The default pg_hba.conf permits only the unix user named postgres t...
How can I get file extensions with JavaScript?
...since this question was initially posted - there's a lot of really good information in wallacer's revised answer as well as VisioN's excellent breakdown
Edit: Just because this is the accepted answer; wallacer's answer is indeed much better:
return filename.split('.').pop();
My old answer:
...
How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
1...
