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Cloning an Object in Node.js
... @ShadowWizard these are different methods. This one simply converts to json and back to object, while linked answer uses Object.keys() to iterate through object
– mente
Oct 16 '13 at 11:21
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Append a NumPy array to a NumPy array
...
Actually one can always create an ordinary list of numpy arrays and convert it later.
In [1]: import numpy as np
In [2]: a = np.array([[1,2],[3,4]])
In [3]: b = np.array([[1,2],[3,4]])
In [4]: l = [a]
In [5]: l.append(b)
In [6]: l = np.array(l)
In [7]: l.shape
Out[7]: (2, 2, 2)
In [8]...
c++11 Return value optimization or move? [duplicate]
...e object to be copied is designated by an lvalue, overload resolution to
select the constructor for the copy is first performed as if the object were designated by an rvalue. If overload
resolution fails, or if the type of the first parameter of the selected constructor is not an rvalue referenc...
What's the most efficient test of whether a PHP string ends with another string?
...eedle), but this method requires that and copying it in full, and possibly converting the entire thing into lowercase to boot.
– David Harkness
Aug 9 '16 at 6:01
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How to delete an item in a list if it exists?
... new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with
7 Answ...
How to move columns in a MySQL table?
...min provides a GUI for this within the structure view of a table.
Check to select the column you want to move and click the change action at the bottom of the column list.
You can then change all of the column properties and you'll find the 'move column' function at the far right of the screen.
Of ...
Maven: Command to update repository after adding dependency to POM
...:
Right click on the project ->Run As -- >Run configurations.
Then select mavenBuild.
Then click new button to create a configuration of the selected
type .Click on Browse workspace then select your project and in
goals specify eclipse:eclipse
You can refer to how to run the command mvn e...
Count immediate child div elements using jQuery
...est to see the speed difference and the children() method beaten the child selector (#foo > div) approach by at least 60% in Chrome (canary build v15) 20-30% in Firefox (v4).
By the way, needless to say, these two approaches produce same results (in this case, 1000).
[Update] I've updated the t...
Best way to change the background color for an NSView
...
Thanks. I needed to convert the dirtyRect to a CGRect. Ammended last line to CGContextFillRect(context, NSRectToCGRect(dirtyRect)); Can you edit your answer?
– Ross
Feb 11 '11 at 21:48
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How to display pandas DataFrame of floats using a format string for columns?
...or some floats only, then I think you'll have to pre-modify the dataframe (converting those floats to strings):
import pandas as pd
df = pd.DataFrame([123.4567, 234.5678, 345.6789, 456.7890],
index=['foo','bar','baz','quux'],
columns=['cost'])
df['foo'] = df['cos...