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How can I mock dependencies for unit testing in RequireJS?
...n't work for me, for some reason, when I used it, the test framework threw errors:
TypeError: Cannot read property 'call' of undefined
RequireJs has the possibility to map module ids to other module ids. It also allows to create a require function that uses a different config than the global r...
iPhone - Grand Central Dispatch main thread
... dispatch_sync. You can't expect the system to protect you from programmer error all the time.
– Robin Summerhill
Oct 26 '11 at 22:14
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Cannot change column used in a foreign key constraint
I got this error when i was trying to alter my table.
3 Answers
3
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Where to place $PATH variable assertions in zsh?
...sh terminal command was working correctly but zsh showed command not found error)
Solution:
just paste whatever you were earlier pasting in ~/.bashrc to:
~/.zshrc
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How update the _id of one MongoDB Document?
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If you get a duplicate key error in the insert line and aren't worried about the problem @skelly mentioned, the simplest solution is to just call the remove line first and then call the insert line. The doc should already printed on your screen so it'd...
Why is there a difference in checking null against a value in VB.NET and C#?
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Why answer the question by trial and error? Should be possible to do it from the language specifications.
– David Heffernan
Mar 20 '13 at 12:59
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Output array to CSV in Ruby
...y this, it'll default to "rb" (read-only binary mode) and you would get an error when trying to add to your csv file. See ruby-doc.org/core-1.9.3/IO.html for a list of valid file modes in Ruby.
– Dylan Markow
Jul 16 '12 at 14:08
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Is there any way in C# to override a class method with an extension method?
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Why don't you get a compiler error then? E.g. I type. namespace System { public static class guilty { public static string ToLower(this string s) { return s.ToUpper() + " I'm Malicious"; } } }
– LowLevel
Jun 9 '18 a...
Static variables in JavaScript
...property is read-only and cannot be modified (be aware you will not get an error if you try to set it, but it has no effect). Each property has the attributes writable, configurable (allow to change after declaration) and enumerable (allow to use it as enumerator), which are per default false. You c...
What's the difference between ASCII and Unicode?
...bits? But why not 1 byte (8 bits)?
The last bit (8th) is used for avoiding errors as parity bit.
This was relevant years ago.
Most ASCII characters are printable characters of the alphabet such as abc, ABC, 123, ?&!, etc. The others are control characters such as carriage return, line feed, tab...