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std::vector versus std::array in C++
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326
std::vector is a template class that encapsulate a dynamic array1, stored in the heap, that gr...
Calculate the median of a billion numbers
...i I don't think it would take too long; a billion numbers is only 4 GB for 32-bit ints/floats, 8GB for 64-bit ints/doubles. Neither seems tremendously taxing.
– DrPizza
Aug 3 '15 at 6:01
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How do I add custom field to Python log format string?
... pass the extra info with every logging call:
import logging
extra = {'app_name':'Super App'}
logger = logging.getLogger(__name__)
syslog = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s')
syslog.setFormatter(formatter)
logger.setLevel(logging.INFO)
l...
Easiest way to convert int to string in C++
...C++11 introduces std::stoi (and variants for each numeric type) and std::to_string, the counterparts of the C atoi and itoa but expressed in term of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming th...
How do I replace whitespaces with underscore?
... a built-in string method that does what you need:
mystring.replace(" ", "_")
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Printing Lists as Tabular Data
...anguages
– thinker3
Jul 3 '16 at 23:32
6
I just played with the main packages and IMO "beautifult...
Read/Write 'Extended' file properties (C#)
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{
List<string> arrHeaders = new List<string>();
Shell32.Shell shell = new Shell32.Shell();
Shell32.Folder objFolder;
objFolder = shell.NameSpace(@"C:\temp\testprop");
for( int i = 0; i < short.MaxValue; i++ )
{
string header = objFolder.GetDetailsOf...
Type converting slices of interfaces
... of slice
– newacct
Oct 5 '12 at 23:32
This whole answer applies to maps too btw.
– RickyA
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Could not find an implementation of the query pattern
...ng queries becomes easy.
Please check this code:
var result = (from s in _ctx.ScannedDatas.AsQueryable()
where s.Data == scanData
select s.Id).FirstOrDefault();
return "Match Found";
Make sure you include System.Linq.
Th...
How to add new column to MYSQL table?
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Thanks, It worked with - mysql_query("ALTER TABLE assessment ADD q6 INT(1) NOT NULL AFTER q5");
– Steven Trainor
Apr 19 '13 at 21:33
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