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How do I programmatically “restart” an Android app?
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You can use PendingIntent to setup launching your start activity in the future and then close your application
Intent mStartActivity = new Intent(context, StartActivity.class);
int mPendingIntentId = 123456;
PendingIntent mPendingIntent = Pend...
Different ways of loading a file as an InputStream
...to this object's class loader.", and then gives a bunch of rules on how it converts a relative path to an absolute path before delegating to the classloader.
– LordOfThePigs
Jun 18 '13 at 13:54
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How to round up to the nearest 10 (or 100 or X)?
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I was asked how to convert Round to VBA in Excel: Function ROUND(x,y) 'Function that automatically rounds UP or DOWN based on standard rounding rules. 'Automatically rounds up if the "x" value is > halfway between subsequent instances of t...
How to toggle a boolean?
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If you don't mind the boolean being converted to a number (that is either 0 or 1), you can use the Bitwise XOR Assignment Operator. Like so:
bool ^= true; //- toggle value.
This is especially good if you use long, descriptive boolean names, EG:
var inDyn...
What is a singleton in C#?
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sure, i am NOT pointing you are wrong. i am giving a hint to the reader about thread-safety, so that they would be careful if they have to deal with it.
– Alagesan Palani
Apr 6 '15 at 17:18
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Why is it OK to return a 'vector' from a function?
...ause the array return will (if you write it in the simple form) return a pointer to the actual array on the stack, which is then promptly removed when the function returns.
But in this case, it works, because the std::vector is a class, and classes, like structs, can (and will) be copied to the ca...
Ways to synchronize interface and implementation comments in C# [closed]
Are there automatic ways to sync comments between an interface and its implementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
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What's the point of malloc(0)?
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According to the specifications, malloc(0) will return either "a null pointer or a unique pointer that can be successfully passed to free()".
This basically lets you allocate nothing, but still pass the "artist" variable to a call to free() without worry. For practical purposes, it's pretty muc...
PHP: How to use array_filter() to filter array keys?
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PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = ar...
How to do an update + join in PostgreSQL?
...This approach lets you develop and test your select query and in two steps convert it to the update query.
So in your case the result query will be:
with t as (
select v.id as rowid, s.price_per_vehicle as calculatedvalue
from vehicles_vehicle v
join shipments_shipment s on v.shipment...