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Can a JSON value contain a multiline string
...
Check out the specification! The JSON grammar's char production can take the following values:
any-Unicode-character-except-"-or-\-or-control-character
\"
\\
\/
\b
\f
\n
\r
\t
\u four-hex-digits
Newlines are "control characters" so, no, you may not have a literal newli...
What is the maximum possible length of a .NET string?
... program may be over 2GB and the string type uses UTF-16 (2 bytes for each character), the best you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine.
This is one of those situations where "If you have to ask, you're probably doing something wrong...
What are the most-used vim commands/keypresses?
...g "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for appending text at the end of the line, or…" I can't imagine everyone uses all 20 different keypresses to navigate text, 10 or so keys to start adding text, and 18 ways to visually select an inner block...
Literal suffix for byte in .NET?
...t
does 0xFFB mean?) and even if we had a solution for that, or another
character than 'B' ('Y' was considered, F# uses this) no one could
remember whether the default was signed or unsigned - .NET bytes are
unsigned by default so it would make sense to pick B and SB but all
the other suffi...
How do I filter ForeignKey choices in a Django ModelForm?
... @Slott cheers, I've added an answer as it'd take more than 600 chars to explain . Even if this question is old it's getting a high google score.
– michael
Aug 7 '09 at 13:19
...
Search an Oracle database for tables with specific column names?
...'CLOB',null,'NUMBER',
decode(data_precision,null,to_char(data_length),
data_precision||','||data_scale
), data_length
) || ')' data_type
from all_tab_columns
where column_name like ('%' || uppe...
What does the @ symbol represent in objective-c?
...
The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to free...
How do I record audio on iPhone with AVAudioRecorder?
... code]);
NSLog(@"Error: %@ [%4.4s])" , [error localizedDescription], (char*)&errorCode);
}
NSLog(@"recording");
}
-(IBAction) stopRecording
{
NSLog(@"stopRecording");
[audioRecorder stop];
NSLog(@"stopped");
}
-(IBAction) playRecording
{
NSLog(@"playRecording");
// Init audio with playb...
Enums and Constants. Which to use when?
...ype. You can change the default from int to any other integral type except char like:
enum LongEnum : long {
foo,
bar,
}
You can cast explicitly from and implicitly to the the base type, which is useful in switch-statements. Beware that one can cast any value of the base type to an enum, ...
Difference between `const shared_ptr` and `shared_ptr`?
...);
sA->a = 4; // compile-error
return sA;
}
int main(int argc, char** argv) {
f1();
f2();
return 0;
}
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