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What is the Java ?: operator called and what does it do?
...th branches must lead to methods with return values:
It is a compile-time error for either the second or the third operand expression to be an invocation of a void method.
In fact, by the grammar of expression statements (§14.8), it is not permitted for a conditional expression to appear in any co...
What is the difference between an int and an Integer in Java and C#?
...mitive. So:
String s = i.toString();//will not work!!!
would produce an error, because int is not an object.
int is one of the few primitives in Java (along with char and some others). I'm not 100% sure, but I'm thinking that the Integer object more or less just has an int property and a whole b...
What is the !! (not not) operator in JavaScript?
...he HTML5 <audio> element, but we don't want the function to throw an error if <audio> is undefined; and we don't want to use try ... catch to handle any possible errors (because they're gross); and also we don't want to use a check inside the function that won't consistently reveal the t...
How to get base url with jquery or javascript?
...(then setting the url protocol to "http://" will present some really weird errors depending on how you want to use the url).
– Jason Rice
Nov 4 '19 at 23:39
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MySQL: multiple tables or one table with many columns?
...char columns, all UTF8. So we easily filled the ~8000 bytes limit and got "error 139 from storage engine" all the time. So we had to split the table. (We tested with the newer Barracuda format and it worked without splitting, but our client's servers still use MySQL 5.0).
– MV....
Subclassing a Java Builder class
...stead of extends, or (c) throw everything away. I now have a weird compile error where leafBuilder.leaf().leaf() and leafBuilder.mid().leaf() is OK, but leafBuilder.leaf().mid().leaf() fails...
– Ken Y-N
Jun 19 '13 at 4:01
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How do I measure execution time of a command on the Windows command line?
... FYI - I don't think timeit works on Windows 7 64-bit. You get the error "Unable to query system performance data (c0000004). Instead, use PowerShell's "Measure-Command" like Casey.K suggests: stackoverflow.com/questions/673523/…
– Michael La Voie
Oc...
Convert JS Object to form data
...
its keep append the json after several times of error debug
– Snow Bases
Jul 15 '19 at 21:04
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Parsing a JSON string in Ruby
...ny cases you want to wrap JSON.parse within a rescue block for JSON::ParserError.
– johnml
Jun 10 '14 at 10:48
JSON.pa...
What is the maximum possible length of a .NET string?
...of a string.
The test starts ...now:
s.Length = 1000000000 at 08/05/2019 12:06
Exception of type 'System.OutOfMemoryException' was thrown. at
08/05/2019 12:06. After decimation, the value of Increment is
100000000.
Exception of type 'System.OutOfMemoryException' was thrown. a...