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What uses are there for “placement new”?

..._b, ...); Now you can cluster objects together in a single memory arena, select an allocator which is very fast but does no deallocation, use memory mapping, and any other semantic you wish to impose by choosing the pool and passing it as an argument to an object's placement new operator. ...
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What is the best collation to use for MySQL with PHP? [closed]

...ng utf8_general_ci. MySQL will not distinguish between some characters in select statements, if the utf8_general_ci collation is used. This can lead to very nasty bugs - especially for example, where usernames are involved. Depending on the implementation that uses the database tables, this problem...
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MySQL select where column is not empty

In MySQL, can I select columns only where something exists? 13 Answers 13 ...
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C# Sanitize File Name

...sWith("°")) name = name.CropRight(1) + "."; return name; } You can select your own look-a-likes. I used the Character Map app in windows to select mine %windir%\system32\charmap.exe As I make adjustments through discovery, I will update this code. ...
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Unicode Processing in C++

...ng new projects in Dev Studio, religiously make sure the Unicode option is selected in your project properties. For C++ strings, use std::wstring instead of std::string share | improve this answer ...
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How can I indent multiple lines in Xcode?

When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;) ...
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How to get primary key column in Oracle?

... SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.owner FROM all_constraints cons, all_cons_columns cols WHERE cols.table_name = 'TABLE_NAME' AND cons.constraint_type = 'P' AND cons.constraint_name = ...
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How to make an OpenGL rendering context with transparent background?

... 0); assert(hbmpDIB); assert(bmp_cnt); if(hbmpDIB) SelectObject(pdcDIB, hbmpDIB); } BOOL CreateHGLRC() { DWORD dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_BITMAP; PIXELFORMATDESCRIPTOR pfd ; memset(&pfd,0, sizeof(PIXELFORMATDESCRIPTOR)) ; pfd.nSize = size...
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL

... to a date by suffixing it with ::date. Here, in psql, is a timestamp: # select '2010-01-01 12:00:00'::timestamp; timestamp --------------------- 2010-01-01 12:00:00 Now we'll cast it to a date: wconrad=# select '2010-01-01 12:00:00'::timestamp::date; date ------------ 201...
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Program only crashes as release build — how to debug?

...sh do an Attach To Process (Tools menu on Visual Studio). After the crash, select the option to launch debugger. When asked to point to PDB files, browse to find them. If the PDB's were put in the same output folder as your E