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Difference between except: and except Exception as e: in Python
...h noting that the second form should only be used if you do not care about what the exception was or wish to handle it in a meaningful way.
– Josh J
Apr 26 '19 at 20:47
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How to open an elevated cmd using command line for Windows?
...\" -Verb RunAs"
Move sudo.bat to a folder in your PATH; if you don't know what that means, just move these files to c:\windows\
Now sudo will work in Run dialog (win+r) or in explorer address bar (this is the best part :))
Method 2: WITH a 3rd party program
Download NirCmd and unzip it.
Create ...
How to understand Locality Sensitive Hashing?
...ct between the actual vector and the plane vector >= 0 or else it is 0. What is the direction of the plane vector because angles between 90 degrees and 180 degrees also will give a cosine which is negative. I suppose each plane is composed of two vectors and we take the smaller angle that is made...
Why does dividing two int not yield the right value when assigned to double?
... meaning of an expression (or sub-expression) from the expression
itself. What you do with the results of the expression doesn't matter.
In your case, in the expression a / b, there's not a double in
sight; everything is int. So the compiler uses integer division.
Only once it has the result does ...
How to find the size of an array in postgresql
...array unexpectedly evaluates to null and not 0 whereas cardinality returns what you'd expect. No idea what they were thinking with that logic.
– EoghanM
Oct 13 '18 at 10:25
ad...
Rails create or update magic?
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@sameers I'm not sure I understand what you mean. What do you think I am implying?
– Mohamad
Sep 23 '14 at 13:08
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jQuery : eq() vs get()
I'm new to jQuery, and I'm wondering what the difference is between jQuery's get() and eq() functions. I may misunderstand what the get() function does, but I thought it odd that I couldn't call a function on the returned on the returned element in the same line.
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
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What if you are querying from the result of a CTE or other subquery? A simple example: you might want to make a subquery that appends the result of row_number() to each row, then perform a join by row_number, then select ever...
Rails 3 check if attribute changed
...rying to see whether an attribute was changed in a form (which seems to be what the OP is doing).
– Mark Fraser
Jan 29 '13 at 16:48
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How to check if a number is a power of 2
...0);
Well we already know that 4 != 0 evals to true, so far so good. But what about:
((4 & (4-1)) == 0)
This translates to this of course:
((4 & 3) == 0)
But what exactly is 4&3?
The binary representation of 4 is 100 and the binary representation of 3 is 011 (remember the & ...