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Copying data from one SQLite database to another
I have 2 SQLite databases with common data but with different purposes and I wanted to avoid reinserting data, so I was wondering if it was possible to copy a whole table from one database to another?
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How to run Rake tasks from within Rake tasks?
...y_invoked state, allowing the task to
then be executed again, dependencies and all:
Rake::Task["build"].reenable
Rake::Task["build"].invoke
Note that dependencies already invoked are not automatically re-executed unless they are re-enabled. In Rake >= 10.3.2, you can use the following to re-ena...
With bash, how can I pipe standard error into another process?
It's well known how to pipe the standard ouput of a process into another processes standard input:
5 Answers
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Python function overloading
...what you want in python.
Why Not Overloading?
First, one needs to understand the concept of overloading and why it's not applicable to python.
When working with languages that can discriminate data types at
compile-time, selecting among the alternatives can occur at
compile-time. The act o...
UINavigationBar custom back button without title
How can I customize the navigation back button in iOS 7 and above without title? (i.e. with the arrow only)
36 Answers
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How do I use Wget to download all images into a single folder, from a URL?
I am using wget to download all images from a website and it works fine but it stores the original hierarchy of the site with all the subfolders and so the images are dotted around. Is there a way so that it will just download all the images into a single folder? The syntax I'm using at the moment i...
How do I remove version tracking from a project cloned from git?
...t folder is hidden so make sure you turn on the Show hidden files, folders and disks option.
From there, you can run git init to create a fresh repository.
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Favorite Django Tips & Features?
...fferent locations. Use the following code in settings.py if your templates and static files are located within the Django project directory:
# settings.py
import os
PROJECT_DIR = os.path.dirname(__file__)
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STATIC_DOC_ROOT = os.path.join(PROJECT_DIR, "static")
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TEMPLATE_DIRS = (
os.path.jo...
ASP.NET Web API Authentication
...ile using the ASP.NET Web API . I have watched all the videos on the site and also read this forum post .
3 Answers
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Replace values in list using Python [duplicate]
...ns ± 13.6 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
And Python 2.7.6 timings:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
...: for index, item in enumerate(items):
...: if not (item % 2):
...: items[index] = None
...:
1000000 l...