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Effects of the extern keyword on C functions
...rstand that a header is only needed when other source files will use the information; the header is (ab)used to store declaration information for one source file and no other file is expected to include it. Occasionally, it occurs for more contorted reasons.
– Jonathan Leffler
...
What does “#define _GNU_SOURCE” imply?
...ammer for the porting of strfry memfrob and similar amenities to other platforms and tool-chains.
– Massimo
May 19 at 21:38
...
How do you convert a JavaScript date to UTC?
...tring() method returns a string in simplified extended ISO
format (ISO 8601), which is always 24 or 27 characters long
(YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ,
respectively). The timezone is always zero UTC offset, as denoted by
the suffix "Z".
Source: MDN web docs
Th...
When I catch an exception, how do I get the type, file, and line number?
...
Simplest form that worked for me.
import traceback
try:
print(4/0)
except ZeroDivisionError:
print(traceback.format_exc())
Output
Traceback (most recent call last):
File "/path/to/file.py", line 51, in <module>
...
How do you execute an arbitrary native command from a string?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
In WPF, what are the differences between the x:Name and Name attributes?
...rty of a FrameworkElement, listed as any other wpf element property in the form of a xaml attribute.
As a consequence, this also means x:Name can be used on a wider range of objects. This is a technique to enable anything in xaml to be referenced by a given name.
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Why should I use var instead of a type? [duplicate]
...
That's correct. But I've tried to use var keyword in VS2010 but syntax auto completion seems to be puzzled sometimes. So maybe with ReShaper there is no drawback to use it.
– Peposh
Feb 1 '11 at 22:13
...
Java `final` method: what does it promise?
...r of reasons to prevent something from being customizable, including:
Performance -- Some compilers can analyse and optimise the operation, especially the one without side-effects.
Obtain encapsulated data -- look at immutable Objects where their attributes are set at the construction time and sho...
AngularJS access parent scope from child controller
...
The Red Pea
10.2k1010 gold badges6565 silver badges104104 bronze badges
answered Oct 28 '15 at 11:01
Rubi sainiRubi sai...
How do I execute inserts and updates in an Alembic upgrade script?
...odels. It should be relatively straightforward to adapt this to the other forms.
Note that Alembic provides some basic data functions: op.bulk_insert() and op.execute(). If the operations are fairly minimal, use those. If the migration requires relationships or other complex interactions, I prefe...