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What is the string concatenation operator in Oracle?
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It is ||, for em>x m>ample:
select 'Mr ' || ename from emp;
The only "interesting" feature I can think of is that 'm>x m>' || null returns 'm>x m>', not null as you might perhaps em>x m>pect.
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
What em>x m>plains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
8 Answers
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What is tail recursion?
...learn lisp, I've come across the term tail-recursive . What does it mean em>x m>actly?
28 Answers
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Filter dict to contain only certain keys?
...of any size. Both in terms of speed and memory. Since this is a generator em>x m>pression, it processes one item at a time, and it doesn't looks through all items of old_dict.
Removing everything in-place:
unwanted = set(keys) - set(your_dict)
for unwanted_key in unwanted: del your_dict[unwanted_key]
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How to change plot background color?
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Use the set_facecolor(color) method of the am>x m>es object, which you've created one of the following ways:
You created a figure and am>x m>is/es together
fig, am>x m> = plt.subplots(nrows=1, ncols=1)
You created a figure, then am>x m>is/es later
fig = plt.figure()
am>x m> = fig.add_subp...
Retrieve the position (m>X m>,Y) of an HTML element relative to the browser window
I want to know how to get the m>X m> and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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Passing a std::array of unknown size to a function
...or(auto& e : arr) {
e *= multiplier;
}
}
Here is a live em>x m>ample.
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What's the correct way to convert bytes to a hem>x m> string in Python 3?
What's the correct way to convert bytes to a hem>x m> string in Python 3?
9 Answers
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How can I multiply all items in a list together with Python?
...a function that takes
a list of numbers and multiplies them together. Em>x m>ample:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
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Failed to em>x m>ecute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...wn only in Google Chrome, according to my tests. I'm base64 encoding a big m>X m>ML file so that it can be downloaded:
7 Answers...