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Match whitespace but not newlines
... in my horizontal whitespace character class.
In Java:
static public final String HORIZONTAL_WHITESPACE = "[\\p{Blank}\\u200B\\u2060\\uFFEF]"
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Array.size() vs Array.length
...
Is there something that does work with Strings if size doesn't work?
– Chris
Apr 17 '17 at 14:42
2
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MySQL root access from all hosts
...to comment out the line in your my.cnf file:
#bind-address = 127.0.0.1
and restart mysql
service mysql restart
By default it binds only to localhost, but if you comment the line it binds to all interfaces it finds. Commenting out the line is equivalent to bind-address=*.
To check where mysql...
npm not working - “read ECONNRESET”
...registry.npmjs.org/
so that npm requests for http url instead of https.
and then try the same npm install command
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What is RSS and VSZ in Linux memory management
...ypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
typedef struct {
unsigned long size,resident,share,text,lib,data,dt;
} ProcStatm;
/* https://stackoverflow.com/questions/1558402/memory-usage-of-current...
How do BitTorrent magnet links work?
... bencoder on hand and it matches what is expected from the client.
static string CalculateInfoHash(string path)
{
// assumes info block is last entry in dictionary
var infokey = "e4:info";
var offset = File.ReadAllText(path).IndexOf(infokey) + infokey.Length;
byte[] fileHash = File....
if A vs if A is not None:
...back to database stuff. There's a big difference between NULL and an empty string. An empty string typically says "there's a value here, and that value is nothing at all". NULL says "this value hasn't been entered."
In each of those cases, you'd want to use if A is None. You're checking for a speci...
Can't access RabbitMQ web management interface after fresh install
...e this
[{rabbit, [{loopback_users, []}]}].
# It is danger for default user and default password for remote access
# better to change password
rabbitmqctl change_password guest NEWPASSWORD
If you want create a new user with admin grants:
rabbitmqctl add_user test test
rabbitmqctl set_user_tags t...
PostgreSQL: How to change PostgreSQL user password?
...ere's a difference, and in a DML query you have to use ' when dealing with strings, but is there a special reason to use both of them here?
– Boyan
Mar 23 '16 at 11:17
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No internet on Android emulator - why and how to fix? [closed]
I am trying to use internet with the Android emulator, but with no success.
Any ideas?
10 Answers
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