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demystify Flask app.secret_key
...or prepend) the SECRET_KEY to the cookie byte string, then generate a hash from that combination.
# encode and salt the cookie, then hash the result
>>> cookie_bytes = str(cookie).encode('utf8')
>>> signature = sha1(cookie_bytes+SECRET_KEY).hexdigest()
>>> print(signature...
What are the differences between json and simplejson Python modules?
...have seen many projects using simplejson module instead of json module from the Standard Library. Also, there are many different simplejson modules. Why would use these alternatives, instead of the one in the Standard Library?
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How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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Reduce, fold or scan (Left/Right)?
...ction of intermediate cumulative results using a start value.
Accumulate
From LEFT and forwards...
With a collection of elements abc and a binary operator add we can explore what the different fold functions do when going forwards from the LEFT element of the collection (from A to C):
val abc = ...
Joda-Time: what's the difference between Period, Interval and Duration?
...cking the appropriate one for the job rather than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both instants are fully specified instants in the dateti...
How does a debugger work?
...ill enter an event loop much like for any UI, but instead of events coming from the windowing system, the OS will generate events based on what happens in the process being debugged – for example an exception occurring. See WaitForDebugEvent.
The debugger is able to read and write the target proc...
C pointer to array/array of pointers disambiguation
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@ankii You can install from Homebrew (and maybe MacPorts?). If those are not to your taste, it is trivial to build your own from the Github link on the top right of cdecl.org (I just built it on macOS Mojave). Then just copy the cdecl binary to yo...
Optimal settings for exporting SVGs for the web from Illustrator?
...ing.
Optimize for Adobe SVG Viewer
Adobe SVG Viewer is a browser plugin from times when browsers did not support SVG natively. I don't know what it does, but it is irrelevant, do not check this.
Include slicing data
This adds metadata bloat to your SVG file, unless you plan on opening your SVG ...
Get local href value from anchor (a) tag
...ps%3a%2f%2fstackoverflow.com%2fquestions%2f15439853%2fget-local-href-value-from-anchor-a-tag%23new-answer', 'question_page');
}
);
Post as a guest
Name
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CSS styling in Django forms
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Taken from my answer to:
How to markup form fields with <div class='field_type'> in Django
class MyForm(forms.Form):
myfield = forms.CharField(widget=forms.TextInput(attrs={'class' : 'myfieldclass'}))
or
class MyForm(...