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JavaScript: filter() for Objects
... 5 has the filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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How to empty a list?
...he old list will still have the same elements, and effect will be apparent if it had other variable bindings.
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How to safely open/close files in python 2.4
...try:
# do stuff with f
finally:
f.close()
This ensures that even if # do stuff with f raises an exception, f will still be closed properly.
Note that open should appear outside of the try. If open itself raises an exception, the file wasn't opened and does not need to be closed. Also, if ...
What's the magic of “-” (a dash) in command-line parameters?
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If you mean the naked - at the end of the tar command, that's common on many commands that want to use a file.
It allows you to specify standard input or output rather than an actual file name.
That's the case for your firs...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...in the current documentation listing. It shows that IsIn is equivalent – if you prefer the verb for readability – and that JPA also supports NotIn and IsNotIn.
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How to set current working directory to the directory of the script in bash?
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It's worth noting that things can break if a symbolic link makes up part of $0. In your script you may expect, for example, ../../ to refer to the directory two levels above the script's location, but this isn't necessarily the case if symbolic links are in play.
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Early exit from function?
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You can just use return.
function myfunction() {
if(a == 'stop')
return;
}
This will send a return value of undefined to whatever called the function.
var x = myfunction();
console.log( x ); // console shows undefined
Of course, you can specify a different ...
How do I use vi keys in ipython under *nix?
...n/profile_default/ipython_config.py; create it with ipython profile create if you don't have it) with:
c.TerminalInteractiveShell.editing_mode = 'vi'
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How to unset max-height?
How to I reset the max-height property to its default, if it has been previously set in some CSS rule? This doesn't work:
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How do I get the computer name in .NET
...ame() to get the FQDN
See How to find FQDN of local machine in C#/.NET ? if the last doesn't give you the FQDN and you need it.
See details about Difference between SystemInformation.ComputerName, Environment.MachineName, and Net.Dns.GetHostName
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