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Difference between “!==” and “==!” [closed]
...led out for its very detailed explanation!). But no matter, I've edited it now.
– BoltClock♦
Sep 7 '12 at 14:28
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How do I add a delay in a JavaScript loop?
...se(res => setTimeout(res, ms)); }
Reference on MDN
While ES7 is now supported by NodeJS and modern browsers, you might want to transpile it with BabelJS so that it runs everywhere.
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Lock, mutex, semaphore… what's the difference?
...n notification, recursion?, 'priority inversion avoidance'?, etc].
4) And now, talking about 'spinlocks', first some definitions:
Critical Region= A region of memory shared by 2 or more processes.
Lock= A variable whose value allows or denies the entrance to a 'critical region'. (It could be impl...
Determine which MySQL configuration file is being used
...(... line. Instead I have 4 lines that end with = -1 Err#2. How do you I know now which file is loaded?
– mgPePe
Mar 17 '14 at 15:36
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How to delete all datastore in Google App Engine?
Does anyone know how to delete all datastore in Google App Engine ?
28 Answers
28
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C# pattern to prevent an event handler hooked twice [duplicate]
...ed from the public event to the private delegate, e.g. Foo?.Invoke() would now become foo?.Invoke(). Otherwise you get an error.
– toddmo
Oct 19 '17 at 16:19
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How can Perl's print add a newline by default?
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The real danger comes from the fact that all code will now add newlines, even code in other people's modules that weren't expecting it. Imagine networking code that would have sent the message "helo\r\n" that now sends "helo\r\n\n".
– Chas. Owens
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What is Normalisation (or Normalization)?
...hn
2 | Ford 2 | Sue
2 | Cadillac
Now it may seem like we still have redundant data because the UserId's are repeated; However the PK/FK constraint ensures that the values cannot be updated independently, so integrity is safe.
Is it important? Yes, it is ver...
Should an Enum start with a 0 or a 1?
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@Allon It seems better to only give the enum values you know are valid and then to check for invalid values in the setter and/or constructor. That way you know immediately if some code isn't working correctly rather than allowing an object with invalid data to exist for some unkno...
Recursive file search using PowerShell
...ion. If you want to search for a file with a certain extension, but don't know the name of the file, you can use:
dir -Path C:\FolderName -Filter *.fileExtension -Recurse | %{$_.FullName}
Or vice versa:
dir -Path C:\FolderName -Filter FileName.* -Recurse | %{$_.FullName}
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