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Checkstyle vs. PMD
...ion files to spare the team from an avalanche of irrelevant feedback ("Tab char on line 5", "Tab char on line 6", "Tab char on line 7"... you get the picture). They also provide powerful tools to write your own advanced rules, e.g. the Checkstyle DescendentToken rule.
When using all three (especial...
Useful GCC flags for C
...the required alignment of the target is increased. For example, warn if a char * is cast to an int * on machines where integers can only be accessed at two- or four-byte boundaries.
-Wstrict-prototypes: warn if a function is declared or defined without specifying the argument types.
-Wstrict-overfl...
C++ equivalent of StringBuffer/StringBuilder?
...As far as I know std::string cannot simply extend the size of its internal char*. That means mutating it in a way which requires more characters requires a reallocation and copying. It's no different than a vector of chars and it is certainly better to reserve the space you need in that case.
...
How to use unicode characters in Windows command line?
...t values:
ECHO.
ECHO ...............................................
ECHO Select Codepage
ECHO ...............................................
ECHO.
ECHO 1 - CP1252
ECHO 2 - UTF-8
ECHO 3 - CP850
ECHO 4 - ISO-8859-1
ECHO 5 - ISO-8859-15
ECHO 6 - US-ASCII
ECHO.
ECHO 9 - Reset to System Default (CP%O...
vs vs for inline and block code snippets
...ce: (ctrl-U) looks good preceed every line below with %0A)
data:text/html;charset=utf-8,<html >
<script>document.write(window.navigator.userAgent)</script>
<script></script>
<style>
codenza, code {} /* noop mnemonic aide that codenza mimes code tag */
c...
Get the current time in C
... by now, but you would use the strptime function in time.h to convert from char * to struct tm
– KingRadical
Nov 5 '13 at 19:59
...
What are the underlying data structures used for Redis?
...m-ish unique users") or with replacement ("give me 7 cards, but after each selection, put the card back so it can potentially be sampled again").
For all possible operations on sets, see the sets docs.
Sorted Sets
Redis sorted sets are sets with a user-defined ordering.
For simplicity, you can think...
What are copy elision and return value optimization?
...;iostream>
using namespace std;
class ABC
{
public:
const char *a;
ABC()
{ cout<<"Constructor"<<endl; }
ABC(const char *ptr)
{ cout<<"Constructor"<<endl; }
ABC(ABC &obj)
{ cout<<"copy constructor"<<endl;...
What is the maximum length of latitude and longitude? [closed]
...12.3456789), longitude 10 (123.4567890), they both have maximum 7 decimals chars (At least is what i can find in Google Maps),
For example, both columns in Rails and Postgresql looks something like this:
t.decimal :latitude, precision: 9, scale: 7
t.decimal :longitude, precision: 10, scale: 7
...
Build a Basic Python Iterator
...n (defines __getitem__)
Examples:
# generator
def uc_gen(text):
for char in text.upper():
yield char
# generator expression
def uc_genexp(text):
return (char for char in text.upper())
# iterator protocol
class uc_iter():
def __init__(self, text):
self.text = text.upp...