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How to explicitly discard an out argument?
...dd the line _ = {a value}; after the function call without any compilation errors.
– Bip901
Aug 5 '19 at 10:39
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What's a good hex editor/viewer for the Mac? [closed]
... @ahcox perhaps you tried to open a folder, because then you will get that error.
– Ezekiel Elin
Oct 2 '17 at 2:54
Is ...
how to change any data type into a string in python
...might fail if your object have more than ascii characters and you will see error like ordinal not in range(128). This was the case for me while I was converting list of string in language other than English
I resolved it by using unicode(object)
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How to add MVC5 to Visual Studio 2013?
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I had the same problem. This solution helps a lot. My error was to not start a new project but a new website and then the MVC option isn't showed by visual studio. You can however select razor v3 (or 2 didn't try it to have MVC websites).
– Agguro
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What linux shell command returns a part of a string? [duplicate]
...ter:=use this and assign to param if param is null}
${parameter:?show this error if param is null}
They have more tweakable behaviours than those listed, and as I said, there are other ways to manipulate strings (a common one being $(command substitution) combined with sed or any other external fi...
How do I remove a single file from the staging area (undo git add)?
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This answer throws an error if you have deleted the file from the working tree.
– Samuel Robert
Oct 19 '16 at 7:32
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Ruby on Rails: how do I sort with two columns using ActiveRecord?
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if anyone pasted this and saw undefined method error, there's a small typo here. It should be :asc instead of asc: Model.order({price: :desc}, {date: :desc}, {price: :asc})
– nayiaw
Sep 7 '18 at 6:45
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What's the most elegant way to cap a number to a segment? [closed]
...n, this is definitely my preferred answer: maxes of mins are confusing and error prone.
– Don Hatch
Jul 13 '16 at 22:21
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mysql update column with value from another table
... is feasible also if you're using safe updates mode (and you're getting an error indicating that you've tried to update a table without a WHERE that uses a KEY column), by adding:
UPDATE TableB
SET TableB.value = (
SELECT TableA.value
FROM TableA
WHERE TableA.name = TableB.name
)...
How do I trim whitespace from a string?
...aces are removed
Instead use str.replace() to make more sense plus less error & more to the point.
The following code can generalize the use of str.replace()
def whitespace(words):
r=words.replace(' ','') # removes all whitespace
n=r.replace(',','|') # other uses of replace
retu...