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Int division: Why is the result of 1/3 == 0?
...wo shorts will not be that easy :
short s = 1;
s = s + s; <- Compiling error
//possible loss of precision
// required: short
// found: int
This will required a casting with a possible loss of precision.
The same is true for the floating point operators
If at least one of the operand...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
...efore variable name (${$y,,} instead of ${y,,}), which results in the same error as when bash version is too low (you can check it with 'bash --version').
– BartekM
Oct 17 '16 at 12:15
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Is there shorthand for returning a default value if None in Python? [duplicate]
... x or default is an antipattern! It is a frequent source of errors that are hard to debug, because for many subtle reasons x could evaluate to false even if it is the desired value.
– Quant Metropolis
Jun 23 '16 at 11:31
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When would anyone use a union? Is it a remnant from the C-only days?
..."not recommended". In the embedded space it's often much cleaner and less error-prone than the alternatives, which usually either involve lots of explicit casts and void*s or masks and shifts.
– bta
Jan 26 '11 at 2:27
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git recover deleted file where no commit was made after the delete
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@Zelphir +1 error: pathspec 'file.ext' did not match any file(s) known to git.
– Ivan Borshchov
Dec 29 '16 at 11:56
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What is the difference between an ordered and a sorted collection?
...t way to sort it.
As it happens in jvm memory, it can throw Out of Memory error.
2. Order collection
Order collection is sorting a collection by specifying the order-by clause in query for sorting this collection when retrieval.
If your collection is very large, it will be more efficient...
Convert seconds to Hour:Minute:Second
...s:
$ php file.php
0:11:25
(I've not tested this much, so there might be errors with floor or so)
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What's a “static method” in C#?
... like this:
myStaticClass msc = new myStaticClass(); // it will cause an error
You can make only:
myStaticClass.someFunction();
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
... 3.0 middleware. Refer to this link if you are receiving a "access_denied" error message. blogs.msdn.com/b/webdev/archive/2014/07/02/…
– Ali Hmer
Aug 24 '14 at 15:34
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DateTime “null” value
...riable cannot be null, it still can be compared to null without a compiler error:
DateTime date;
...
if(date == null) // <-- will never be 'true'
...
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