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How to write to a file in Scala?
...sagree. One should specify the encoding in almost all cases. Most encoding errors I encounter happen because people don't understand or don't think about encoding. They use the default and don't even know it because too many APIs let them get away with it. Nowadays, the most sensible default would p...
How to subtract a day from a date?
...thon datetime object is timezone-aware than you should be careful to avoid errors around DST transitions (or changes in UTC offset for other reasons):
from datetime import datetime, timedelta
from tzlocal import get_localzone # pip install tzlocal
DAY = timedelta(1)
local_tz = get_localzone() # ...
C# vs Java Enum (for those new to C#)
...nteger declaration such as FOO = 0 which is easier to use in ORM tools (no error prone ordinal() usage necessary). Further C# supports bitwise enumerations which are often very usefull, especially in combination with EntityFramework. Java should extend their enums to allow them to be binded to integ...
When should use Readonly and Get only properties
...if the setter is not there. And trying to do so would result in a compiler error.
– Devraj Gadhavi
Mar 25 '13 at 7:47
...
Undo a particular commit in Git that's been pushed to remote repos
...at does the "m" option do? I tried git revert 8213f7d but got this instead:error: Commit 8213f7dad1ed546b434a0d8a64cb783b530a5a30 is a merge but no -m option was given. fatal: revert failed
– Malcolm
Oct 2 '13 at 0:21
...
How do I enable C++11 in gcc?
... Makefile syntax requires tab characters, or it will give cryptic, idiotic errors. Which is why I use gmake with RECIPEPREFIX as shown in the documentation. Tab characters are an abomination; use them never.
– Parthian Shot
Aug 20 '15 at 17:34
...
Remove all child elements of a DOM node in JavaScript
... The jsperf tests are broken here. The test engine reports the following: "Error: Dom nodes not recreated during iterations, test results will be meaningless."
– senderle
Mar 28 '17 at 17:47
...
PHP: Return all dates between two dates in an array [duplicate]
...me('2010-10-01'),
new DateInterval('P1D'),
new DateTime('2010-10-05')
);
Which should get you an array with DateTime objects.
To iterate
foreach ($period as $key => $value) {
//$value->format('Y-m-d')
}
...
Why should a function have only one exit-point? [closed]
... the opportunity to perform some postprocessing under the function's local Error label, which is impossible with multiple returns.
– Ant_222
Oct 7 '15 at 14:03
...
How do I sort an observable collection?
...
}
return -1; // decide how to handle error case
}
usage:
Sample with an observer (used a Person class to keep it simple)
public class Person:IComparable<Person>,IEquatable<Person>
{
public string Name { g...