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Detect if the app was launched/opened from a push notification
...push with content-available inside aps, so be aware of this as well :) See https://stackoverflow.com/a/33778990/1418457
Schrödingers MySQL table: exists, yet it does not
...ve backups, try the following:
Delete all schemas (excluding mysql)
shut down the database
Make sure that all folders in your data directory have been removed properly (again, excluding mysql)
delete ibdata and log files
restart the database. It should recreate the tablespace and logs from scratch...
How should I choose an authentication library for CodeIgniter? [closed]
... wiki, Redux has been discontinued, but the Ion Auth fork is going strong: https://github.com/benedmunds/CodeIgniter-Ion-Auth
Ion Auth is a well featured library without it being overly heavy or under advanced. In most cases its feature set will more than cater for a project's requirements.
Pros
L...
Why not to deploy on a Friday? [closed]
...ked around weekends and strangely, monday around lunch.
Anyhow, it comes down to 2 considerations. 1. When will it be the least disruptive for your customers (if it's a web application) and 2. When will it fit best with the dev team for rush-fixing critical bugs.
If you are worried about your dev...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...ess there is some specific problem regarding resizing, I would work with a downscaled version of your images, since they are relatively large and the size adds nothing to the problem being solved. Then, finally, your problem is solved with a median filter, some basic morphological tools, and statist...
PyPy — How can it possibly beat CPython?
...d subset of Python (the language and not the CPython interpreter). - Refer https://pypy.readthedocs.org/en/latest/architecture.html for details.
Q3. And what are the chances of a PyPyPy or PyPyPyPy beating their score?
That would depend on the implementation of these hypothetical interpreters. If ...
What do column flags mean in MySQL Workbench?
...than just having a link. That way the answer is safe even if the link goes down (again).
– IQAndreas
Feb 1 '16 at 8:46
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Managing CSS Explosion
... CSS Stylesheet Formatting
On all 4 my answer has included the advice to download and read Natalie Downe's PDF CSS Systems. (The PDF includes tons of notes not in the slides, so read the PDF!). Take note of her suggestions for organization.
EDIT (2014/02/05) four years later, I'd say:
Use a CSS...
What is the proper REST response code for a valid request but an empty data?
... app, I have wasted hours of contacting the developers of the API to track down why the API endpoint I was calling didn't exist, when in fact it did, it just had no data to report. With regards to a 204 not being particularly useful to a browser, that is a bit like the tail wagging the dog as most u...
Add a reference column migration in Rails 4
...
if you like another alternate approach with up and down method try this:
def up
change_table :uploads do |t|
t.references :user, index: true
end
end
def down
change_table :uploads do |t|
t.remove_references :user, index: true
end
end
...