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Select the values of one property on all objects of an array in PowerShell
...oth the input collection and output array must fit into memory as a whole.
If the input collection is itself the result of a command (pipeline) (e.g., (Get-ChildItem).Name), that command must first run to completion before the resulting array's elements can be accessed.
In a pipeline where the r...
Please explain the exec() function and its family
...ocess (the parent) as its parent PID (PPID).
Because the two processes are now running exactly the same code, they need to be able to tell which is which - the return code of fork() provides this information - the child gets 0, the parent gets the PID of the child (if the fork() fails, no child is c...
Why doesn't String switch statement support a null case?
...icitly by putting the string constant first as in "123test".equals(value). Now we are forced to write our switch statement as in if (value != null) switch (value) {...
– YoYo
Feb 4 '16 at 23:06
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What is the difference between NTFS Junction Points and Symbolic Links?
...g. To be compatible with legacy folder names, C:\Documents and Settings is now a link to C:\Users.
Interestingly, although Vista introduces Symbolic links, this "Documents and Settings" trick is actually a plain old junction.
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How to deep watch an array in angularjs?
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in 1.1.x you now have $watchCollection
– Jonathan Rowny
Aug 29 '13 at 18:36
39
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How to change Vagrant 'default' machine name?
... vb.name = "barhost"
end
end
So there it is. You now know 3 different options you can set and the effects they have. I guess it's a matter of preference at this point? (I'm new to Vagrant, so I can't speak to best practices yet.)
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
.../index and I needed to remove .git/index.lock before doing git reset. Fine now
– Ivan
Mar 8 '19 at 11:28
1
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SQL: deleting tables with prefix
...nt generated above will drop all tables in all databases with that prefix. If you want to limit it to a specific database, modify the query to look like this and replace database_name with your own database_name:
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement FROM ...
Detect iPad users using jQuery?
Is there a way to detect if the current user is using an iPad using jQuery/JavaScript?
4 Answers
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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
2 Answers
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