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How to get the screen width and height in iOS?
...hout padding. Simply subtract your app's padding (usually 20 on each side) from these results to get the 'usable' space for most elements
– Nick Daugherty
Aug 30 '12 at 16:25
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embedding image in html email
...eate one easily at:
http://www.motobit.com/util/base64-decoder-encoder.asp from a image file.
Email source code looks something like this, but i really cant tell you what that boundary thing is for:
To: email@email.de
Subject: ...
Content-Type: multipart/related;
boundary="------------09030302...
How to set the thumbnail image on HTML5 video?
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The issue with this is that the video starts from specified #t=0.5. Say if you wanted thumbnail from t=8 well then vid would start from 8th second which is not ideal is it :)
– Marko
Apr 18 '19 at 10:31
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Why do we use Base64?
...e email might, with a delivery agent replacing the string of characters "\nFrom " with "\n>From " when it saves the message to a mailbox. Or HTTP headers are newline terminated with no reversible way to escape newlines in the data (line continuation conflates whitespace), so you can't just dump a...
Auto reloading python Flask app upon code changes
...eload the flask app when a code change happens.
app.run(debug=True)
Or, from the shell:
$ export FLASK_DEBUG=1
$ flask run
http://flask.pocoo.org/docs/quickstart/#debug-mode
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Skip a submodule during a Maven build
...nted out, as of Maven 3.2.1 you have a new -el flag that excludes projects from the reactor, similarly to what -pl does:
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How to keep a Python script output window open?
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You have a few options:
Run the program from an already-open terminal. Open a command prompt and type:
python myscript.py
For that to work you need the python executable in your path. Just check on how to edit environment variables on Windows, and add C:\PYTHON2...
Convert datetime to Unix timestamp and convert it back in python
...f your original naive datetime was UTC, the way to recover it is to use utcfromtimestamp instead of fromtimestamp.
On the other hand, if your original naive datetime was local, you shouldn't have subtracted a UTC timestamp from it in the first place; use datetime.fromtimestamp(0) instead.
Or, if y...
Should I use alias or alias_method?
...re predictable. Also, can you provide any practical example of benefitting from redefining alias_method?
– Boris Stitnicky
Nov 3 '12 at 19:17
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Easy way to prevent Heroku idling?
...eature that will ping your site twice per minute, thus preventing the dyno from idling.
More or less the same solution as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in ...