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delete vs delete[] operators in C++
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The delete operator deallocates memory and calls the destructor for a single object created with new.
The delete [] operator deallocates memory and calls destructors for an array of objects created with new [].
Using delete on a pointer returned...
A better similarity ranking algorithm for variable length strings
... List<string> AllPairs = new List<string>();
// Tokenize the string and put the tokens/words into an array
string[] Words = Regex.Split(str, @"\s");
// For each word
for (int w = 0; w < Words.Length; w++)
{
if (!string.IsNull...
What is causing “Unable to allocate memory for pool” in PHP?
I've occasionally run up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Do Java arrays have a maximum size?
...Kevin Bourrillion: This seems to have changed, using Oracle 1.7.0_07 I can allocate up to MAX_VALUE-2 elements. This is independent of what I allocate, and I really wonder what can the VM use the two "things" for (the length doesn't fit in 2 bytes).
– maaartinus
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C++ Double Address Operator? (&&)
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This is C++11 code. In C++11, the && token can be used to mean an "rvalue reference".
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Should I return a Collection or a Stream?
...ually two costs here: the cost of storing values in the collection (memory allocation and copying) and also the cost of creating the values in the first place. The latter cost can often be reduced or avoided by taking advantage of a Stream's laziness-seeking behavior. A good example of this are the ...
fatal: could not read Username for 'https://github.com': No such file or directory
... username and password for security reason.
You can also try Github OAuth token, then you can do
git config remote.origin.url 'https://{token}@github.com/{username}/{project}.git'
or
git remote add origin 'https://{token}@github.com/{username}/{project}.git'
This works for me!
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How do I use valgrind to find memory leaks?
...P SUMMARY:
in use at exit: 0 bytes in 0 blocks
total heap usage: 636 allocs, 636 frees, 25,393 bytes allocated
All heap blocks were freed -- no leaks are possible
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
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Returning an array using C
...ring scope, i.e., when the function returns.
You will need to dynamically allocate the memory inside of the function or fill a preallocated buffer provided by the caller.
Option 1:
dynamically allocate the memory inside of the function (caller responsible for deallocating ret)
char *foo(int cou...
How to edit log message already committed in Subversion?
...=" %%a in ('svnlook date -r %REV% %REPOS%') do @set DATESTAMP=%%a
for /F "tokens=1-2 delims= " %%a in ("%DATESTAMP%") do (
set DATESTAMPDATE=%%a
set DATESTAMPTIME=%%b )
:: Expects DATESTAMPDATE in the format: 2012-02-24
for /F "tokens=1-3 delims=-" %%a in ("%DATESTAMPDATE%") do (
set DATESTAMPY...