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Reading binary file and looping over each byte
...ersions of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longer get raw characters from the stream in byte mode but byte objects, thus we need to alter the co...
Invoke(Delegate)
...nd are not
thread safe. Therefore, if you are calling a control's method from a
different thread, you must use one of the control's invoke methods to
marshal the call to the proper thread. This property can be used to
determine if you must call an invoke method, which can be useful if
you ...
How to prevent form from submitting multiple times from client side?
...ere his action (the click) happened. At the same time you prevent the form from being submitted another time.
If you submit the form via XHR keep in mind that you also have to handle submission errors, for example a timeout. You would have to display the submit button again because the user needs t...
TypeError: ObjectId('') is not JSON serializable
My response back from MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it.
...
Convert Django Model object to dict with all of the fields intact
...misnamed, and it has two unwanted extra things in it.
2. model_to_dict
from django.forms.models import model_to_dict
model_to_dict(instance)
which returns
{'foreign_key': 2,
'id': 1,
'many_to_many': [<OtherModel: OtherModel object>],
'normal_value': 1}
This is the only one with man...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
I have a Live Android application, and from market i have received following stack trace and i have no idea why its happening as its not happening in application code but its getting caused by some or the other event from the application (assumption)
...
How to get just one file from another branch
....js # then copy the version of app.js
# from branch "experiment"
See also git how to undo changes of one file?
Update August 2019, Git 2.23
With the new git switch and git restore commands, that would be:
git switch master
git restore --source experiment -- app.j...
Remove last item from array
...orrectly, @PrithvirajMitra wants two things: 1) To remove the last element from the original array, and 2) return that element as a single element array - ie: [0,1,2] -> [2], leaving behind [0,1]. If that's the case, then [arr.pop()] will do the trick.
– Ben Hull
...
How to construct a timedelta object from a simple string
...uld parse using regular expressions
Here is re-based solution:
import re
from datetime import timedelta
regex = re.compile(r'((?P<hours>\d+?)hr)?((?P<minutes>\d+?)m)?((?P<seconds>\d+?)s)?')
def parse_time(time_str):
parts = regex.match(time_str)
if not parts:
...
How would I extract a single file (or changes to a file) from a git stash?
... like to know if it is possible to extract a single file or diff of a file from a git stash without popping the stash changeset off.
...