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What does the slash mean in help() output?
...s are mapped to parameters based solely on their position.
The syntax is now part of the Python language specification, as of version 3.8, see PEP 570 – Python Positional-Only Parameters. Before PEP 570, the syntax was already reserved for possible future inclusion in Python, see PEP 457 - Synta...
Why JSF saves the state of UI components on server?
Now, it is no longer necessary to save state while using JSF. A high performance Stateless JSF implementation is available for use. See this blog & this question for relevant details & discussion. Also, there is an open issue to include in JSF specs, an option to provide stateless mode for JSF...
Disable/turn off inherited CSS3 transitions
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It doesn't work for me in Chrome now. This just disables all the inherited transitions.
– Inversion
Dec 18 '19 at 13:56
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How do I use WebStorm for Chrome Extension Development?
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UPDATE 2:
It's now supported out of the box, see the complete answer below.
UPDATE:
There is a more complete stub file that can be added as a library to get code completion. It's a part of the Closure Compiler project. Download chrome_e...
Unit Testing C Code [closed]
...ode on our embedded systems. For the most part check was a good choice but now we are working on systems running on uClinux and since check requires fork it doesn't work on those systems. :/
– David Holm
Oct 15 '08 at 12:43
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HTML5 Canvas vs. SVG vs. div
... a color and line thickness), draw that thing, and then the Canvas has no knowledge of that thing: It doesn't know where it is or what it is that you've just drawn, it's just pixels. If you want to draw rectangles and have them move around or be selectable then you have to code all of that from scra...
map vs. hash_map in C++
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An unordered_map should give slightly better performance for accessing known elements of the collection, but a map will have additional useful characteristics (e.g. it is stored in sorted order, which allows traversal from start to finish). unordered_map will be faster on insert and delete than ...
What is the difference between NTFS Junction Points and Symbolic Links?
...g. To be compatible with legacy folder names, C:\Documents and Settings is now a link to C:\Users.
Interestingly, although Vista introduces Symbolic links, this "Documents and Settings" trick is actually a plain old junction.
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Using the field of an object as a generic Dictionary key
...interfaces required for it to be used as a key. Dictionary has no direct knowledge of int or any other type.
– Jim Mischel
Mar 11 '09 at 15:58
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Add missing dates to pandas dataframe
...e,inplace=True)
df.index = pd.DatetimeIndex(df.index)
d = datetime.now().date()
d2 = d - timedelta(days = days_back)
idx = pd.date_range(d2, d, freq = "D")
df = df.reindex(idx,fill_value=fill_value)
df[date_col_name] = pd.DatetimeIndex(df.index)
return df
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