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Should I call Close() or Dispose() for stream objects?
...Microsoft.Usage : Object 'f' can be disposed more than once in method 'Foo(string)'. To avoid generating a System.ObjectDisposedException you should not call Dispose more than one time on an object.: Lines: 41" So while the current implementation is fine with calling Close and Dispose, according to ...
How to read a line from the console in C?
...th specified declaring the variable and the length specified in the format string. It is a historical artefact.
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Generating random strings with T-SQL
If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it?
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Why doesn't Java support unsigned ints?
...er performance rather than assuming it to be true. It is possible that the extra jiggery-pokery required to manipulate shorts rather than ints (which is usually the type that the processor 'likes to use') could actually be detrimental to performance in a particular application. Not always, but you s...
How do you echo a 4-digit Unicode character in Bash?
...3 # Ceiling
local p=128 # Accum. bits
local s='' # Output string
(( c < 0x80 )) && { fast_chr "$c"; echo -n "$REPLY"; return; }
while (( c > o )); do
fast_chr $(( t = 0x80 | c & 0x3f ))
s="$REPLY$s"
(( c >>= 6, l++, p += o+1,...
How would you go about parsing Markdown? [closed]
...along then, once all is parsed, generating the output from the objects all stringed together.
Basically, I'd build a mini-DOM-like tree as I read the input file.
To generate an output, I would just traverse the tree and output HTML or anything else (PS, LaTex, RTF,...)
Things that can increase com...
How to replace all occurrences of a character in string?
... to replace all occurrences of a character with another character in std::string ?
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How to find a Java Memory Leak
...jects to stick in memory"? I see very general things like int[], Object[], String, etc. How do I find where they come from?
– Vituel
Apr 19 '17 at 14:49
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static const vs #define
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String constants specifically are one of those that might benefit from being #defined, at least if they can be used as "building blocks" for bigger string constants. See my reply for an example.
– AnT
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django admin - add custom form fields that are not part of the model
I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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