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Location of my.cnf file on macOS
...ams read config/startup files in the following locations (in the specified order):
/etc/my.cnf - Global
/etc/mysql/my.cnf - Global
SYSCONFDIR/my.cnf - Global
SYSCONFDIR represents the directory specified with the SYSCONFDIR option to CMake when MySQL was built. By default, this is the etc di...
How to reset sequence in postgres and fill id column with new data?
...
If you don't want to retain the ordering of ids, then you can
ALTER SEQUENCE seq RESTART WITH 1;
UPDATE t SET idcolumn=nextval('seq');
I doubt there's an easy way to do that in the order of your choice without recreating the whole table.
...
Best architectural approaches for building iOS networking applications (REST clients)
...er declares services which we use for interacting with external systems in order to send or receive data which is represented in our domain model. So usually we have services for communication with server APIs (per entity), messaging services (like PubNub), storage services (like Amazon S3), etc. Ba...
Avoiding instanceof in Java
...the: At least you don't have to deal with a growing if then else chain in order to add, remove or modify handlers. The code is less fragile to changes. So I'd say that for this reason it's superior to the instanceof approach. Anyway, I just wanted to give a valid alternative.
–...
C Macro definition to determine big endian or little endian machine?
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Code supporting arbitrary byte orders, ready to be put into a file called order32.h:
#ifndef ORDER32_H
#define ORDER32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_E...
SQLiteDatabase.query method
...
whereArgs
specify the content that fills each ? in whereClause in the order they appear
the others
just like whereClause the statement after the keyword or null if you don't use it.
Example
String[] tableColumns = new String[] {
"column1",
"(SELECT max(column1) FROM table2) AS ma...
What is the best way to use a HashMap in C++?
...
The standard library includes the ordered and the unordered map (std::map and std::unordered_map) containers. In an ordered map the elements are sorted by the key, insert and access is in O(log n). Usually the standard library internally uses red black trees ...
What is “overhead”?
...ating it consumes energy and is overhead!
Overhead is something wasted in order to accomplish a task. The goal is to make overhead very very small.
In computer science lets say you want to print a number, thats your task. But storing the number, the setting up the display to print it and calling ...
How to sort my paws?
...ally going to use both in different ways.
Use the (temporal and spatial) order of the paw impacts to determine which paw is which.
Try to identify the "pawprint" based purely on its shape.
Basically, the first method works with the dog's paws follow the trapezoidal-like pattern shown in Ivo's qu...
What are the differences between WCF and ASMX web services?
...ly that WCF would need to add a streamlined K.I.S.S. configuration mode in order to completely replace ASMX.
Example web.config for an ASMX webservice:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<appSettings />
<system.web>
<compilation targetFramewor...