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How to specialize std::hash::operator() for user-defined type in unordered containers?
...he Hash template argument for the unordered_map/unorder_set/... classes:
#include <unordered_set>
#include <functional>
struct X
{
int x, y;
std::size_t gethash() const { return (x*39)^y; }
};
typedef std::unordered_set<X, std::size_t(*)(const X&)> Xunset;
typedef s...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...g
a full spectrum of data and database
modeling tools and utilities,
including modeling for Entity
Relationship Diagrams (ERD),
Relational (database design), Data
Type and Multi-dimensional modeling,
with forward and reverse engineering
and DDL code generation. The Data
Modeler imp...
Is there any kind of hash code function in JavaScript?
...ext version of JavaScript). That is: a set where the keys can be anything (including undefined) and is non-enumerable.
This means it's impossible to get a reference to a value unless you have a direct reference to the key (any object!) that links to it. It's important for a bunch of engine implemen...
Getting raw SQL query string from PDO prepared statements
... This is a good start, but it fails if the value of a $param itself includes a question mark ("?").
– chickenchilli
Jun 6 '19 at 4:22
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How to set java_home on Windows 7?
...VA_HOME contain "\bin"? Other answers here seem to suggest "bin" should be included for PATH but not for JAVA_HOME.
– devuxer
Oct 1 '13 at 21:45
73
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Change Bootstrap input focus blue glow
...stom css file and load it after bootstrap.css. It will apply to all inputs including textarea, select etc...
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How to show all privileges from a user in oracle?
... the privileges granted directly to the user. Finding all the privileges, including those granted indirectly through roles, requires more complicated recursive SQL statements:
select * from dba_role_privs connect by prior granted_role = grantee start with grantee = '&USER' order by 1,2,3;
sele...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
... @buzz3791 use /verbose instead of /verbose:lib. The displayed information includes the library search process and lists each library and object name (with full path), the symbol being resolved from the library, and a list of objects that reference the symbol. /verbose can display all the info you n...
Undefined reference to `pow' and `floor'
...
You can also use LD_PRELOAD to tell ld runtime linker to include libm.so in the memory map and symbol table of the process, so these symbols get loaded and everything works as expected
– debuti
May 28 '18 at 13:27
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Microsoft Roslyn vs. CodeDom
... allows you to completely inspect and build out the code on the fly. This includes things like being able to see/inspect the comments within a piece of source code, detailed information about the full structure, etc. You can go through and get the entire syntax tree of the source you pass into Ros...