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Performance difference for control structures 'for' and 'foreach' in C#
...reach loop: 2005ms
Swapping them around to see if it deals with the order of things yields the same results (nearly).
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g++ undefined reference to typeinfo
...I had to get used to with SO is not referring to "above" answers since the order may change based on votes. I don't usually refer to any other answers now since they can be deleted as well. My belief is that answers should be standalone. I still refer to user names for attribution however.
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Difference between the 'controller', 'link' and 'compile' functions when defining a directive
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Items in JSON object are out of order using “json.dumps”?
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Both Python dict (before Python 3.7) and JSON object are unordered collections. You could pass sort_keys parameter, to sort the keys:
>>> import json
>>> json.dumps({'a': 1, 'b': 2})
'{"b": 2, "a": 1}'
>>> json.dumps({'a': 1, 'b': 2}, sort_keys=True)
'{"a"...
How to check if activity is in foreground or in visible background?
...This is how it looks like when Activity B is launched from Activity A.
The order of events is from bottom to top so you can see that Activity A onStop is called after Activity B onResume was already called.
In case a dialog is shown your activity is dimmed in the background and only onPause is ca...
std::enable_if to conditionally compile a member function
...to another class, then inherit from that class. You may have to change the order of inheritence to get access to all of the other underlying data but this technique does work.
template< class T, bool condition> struct FooImpl;
template<class T> struct FooImpl<T, true> {
T foo() { ...
How to create a directory and give permission in single command
...group what I just made (yodirectory),
# (owner,group,others--in that order) where I made it (i.e. in mahome)
#
Now, to add just a tiny bit more about those octal permissions. When you make a directory, "your system" take your default directory perms' [which applies for new d...
Postgres: SQL to list table foreign keys
... pg_catalog.pg_constraint r
WHERE r.conrelid = '16485' AND r.contype = 'f' ORDER BY 1
In this case, 16485 is the oid of the table I'm looking at - you can get that one by just casting your tablename to regclass like:
WHERE r.conrelid = 'mytable'::regclass
Schema-qualify the table name if it's n...
Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...one of the GFM elements, then you can play with a github.css stylesheet in order to colors that way.
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What GRANT USAGE ON SCHEMA exactly do?
...ontains it then you can't access the table.
The rights tests are done in order:
Do you have `USAGE` on the schema?
No: Reject access.
Yes: Do you also have the appropriate rights on the table?
No: Reject access.
Yes: Check column privileges.
Your confusion may ari...