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What is the best JavaScript code to create an img element
...ou can end up with the image in an unexpected place, or a weird JavaScript error on IE. If you need to be able to add it at load-time (but after the <body> element has started), you could try inserting it at the start of the body using body.insertBefore(body.firstChild).
To do this invisibly ...
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
)...