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What is the purpose of Flask's context stacks?
...int the user to resource B, meaning the user will run a second request to fetch B. A slightly different way of handling this would be to do an internal redirect, which means that while processing A, Flask will make a new request to itself for resource B, and use the results of this second request as...
Avoiding instanceof in Java
...o make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in this case. Clearly this is not practical. Sometimes it isn't even logically the right place to put the code. He recommends the 'instanceof' approach as being the lesser of several evils.
As with all cases where you a...
Why should I use an IDE? [closed]
...kly navigating to a type without needing to worry about namespace, project etc
Navigating to members by treating them as hyperlinks
Autocompletion when you can't remember the names of all members by heart
Automatic code generation
Refactoring (massive one)
Organise imports (automatically adding appr...
Sound alarm when code finishes
...y need to do the following (from QO's comment):
in a terminal, type 'cd /etc/modprobe.d' then 'gksudo gedit blacklist.conf'
comment the line that says 'blacklist pcspkr', then reboot
check also that the terminal preferences has the 'Terminal Bell' checked.
...
What is stack unwinding?
...manage resources like memory, database connections, open file descriptors, etc. in C++.
Now that allows us to provide exception safety guarantees.
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Are table names in MySQL case sensitive?
...
Yes, but there to put this statement? I guess it is on: /etc/mysql/my.cnf underneath [mysql] group. But this is not enough, still something else needs to be done (besides of course restart mysql...
– Alg_D
Feb 5 '16 at 12:22
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jQuery - Trigger event when an element is removed from the DOM
...only remove elements with this method, rather than modifying/emptying HTML etc. For something more flexible, yes DOM mutation events are fine but I've been sceptic of them as you should be listening for business events in an app, not DOM ones whose structure is likely to change with further develop...
SQL - Select first 10 rows only?
...10 ...
MySQL
SELECT ... LIMIT 10
Sybase
SET ROWCOUNT 10
SELECT ...
Etc.
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Capturing Groups From a Grep RegEx
... first capture group is stored in index 1, the second (if any) in index 2, etc. Index zero is the full match.
You should be aware that without anchors, this regex (and the one using grep) will match any of the following examples and more, which may not be what you're looking for:
123_abc_d4e5
xyz1...
In .NET, which loop runs faster, 'for' or 'foreach'?
...foreach" as it adds code, another variable, a condition you need to check, etc. How many times have you seen an off-by-one error in a "foreach" loop?
– tster
Dec 3 '09 at 15:45
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