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Understanding dict.copy() - shallow or deep?
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By "shallow copying" it means the content of the dictionary is not copied by value, but just creating a new reference.
>>> a = {1: [1,2,3]}
>>> b = a.copy()
>>> a, b
({1: [1, 2, 3]}, {1: [1, 2, 3]})
>>> a[1].appe...
How to get the focused element with jQuery?
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@dave. What do you mean "has the caret" ? focused? the mouse is on it?
– gdoron is supporting Monica
Jun 30 '12 at 22:18
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How do I get the name of the active user via the command line in OS X?
...n script fails when sending the notification.
So, Who is the current user means Has some other people become the effective user leaving me in the background? Do stat -f "%Su" /dev/console returns the current active user name?
The answer is yes; so, now my crontab shell script has been modified in...
Is there a way to loop through a table variable in TSQL without using a cursor?
...is clever enough to know that when you write the first thing, you actually mean the second and optimises it as such to avoid the table scan.
– Dan Def
Nov 3 '16 at 13:31
add a...
How do I perform the SQL Join equivalent in MongoDB?
...upport joins and so, at times, requires bit of denormalization. Here, this means caching the 'username' attribute.
Relational purists may be feeling uneasy already, as if we were violating some universal law. But let’s bear in mind that MongoDB collections are not equivalent to relational tables; ...
Stop node.js program from command line
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Ctrl+Z suspends it, which means it can still be running.
Ctrl+C will actually kill it.
you can also kill it manually like this:
ps aux | grep node
Find the process ID (second from the left):
kill -9 PROCESS_ID
This may also work
killall node
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tion prototype for ON_NOTIFY_EX and ON_NOTIFY_EX_RANGE are as follows. The meanings of the parameters are the same as for the non-EX versions.
ON_NOTIFY_EX( nCode, id, memberFxn )
ON_NOTIFY_EX_RANGE( wNotifyCode, id, idLast, memberFxn )
The prototype for both of the above is the same:
afx_msg BO...
How to deep copy a list?
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Thanks. you mean to say if we use this, new list will be created but all elements of new list will be copies only, they will be having same object (same id) as of previous one ?
– tailor_raj
Jul 26 ...
How do I unbind “hover” in jQuery?
... method removes event handlers that were attached with .on(). Whether that means it ONLY applies to events added using .on(), I'm not sure. But it shouldn't.
– Phil.Wheeler
Jan 25 '15 at 20:37
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How do you make a LinearLayout scrollable?
...ent is useless; transfer the background attribute to the other view" which means to say it's pointless to have a linearlayout with only one item.
– Niels
Nov 19 '15 at 6:48
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