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Replace duplicate spaces with a single space in T-SQL
...
This would work:
declare @test varchar(100)
set @test = 'this is a test'
while charindex(' ',@test ) > 0
begin
set @test = replace(@test, ' ', ' ')
end
select @test
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In Android, how do I set margins in dp programmatically?
In this , this and this thread I tried to find an answer on how to set the margins on a single view. However, I was wondering if there isn't an easier way. I'll explain why I rather wouldn't want to use this approach:
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How to continue a task when Fabric receives an error
...e many exceptions to the rule, so Fabric provides env.warn_only, a Boolean setting. It defaults to False, meaning an error condition will result in the program aborting immediately. However, if env.warn_only is set to True at the time of failure – with, say, the settings context manager – Fabric...
Cannot generate iOS App archive in xcode
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Check Build Settings:
Skip install is NO for the main project target
Skip install is YES for framework (sub-projects) targets
In Build Phases for sub-projects, Copy Headers needs to be in Project, not Public (does not apply if building...
Map vs Object in JavaScript
...each iteration.
and
Objects are similar to Maps in that both let you set keys to values,
retrieve those values, delete keys, and detect whether something is
stored at a key. Because of this, Objects have been used as Maps
historically; however, there are important differences between Obj...
MySQL Error 1153 - Got a packet bigger than 'max_allowed_packet' bytes
....sql
Also, change the my.cnf or my.ini file under the mysqld section and set:
max_allowed_packet=100M
or you could run these commands in a MySQL console connected to that same server:
set global net_buffer_length=1000000;
set global max_allowed_packet=1000000000;
(Use a very large value for...
Get IP address of visitors using Flask for Python
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This works when you set the appropriate fields in the config of your reverse proxy. Used in production.
– drahnr
Feb 27 '15 at 19:41
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Do I set properties to nil in dealloc when using ARC?
...n MRR, you should release your ivars. Nilling out properties means calling setters, which may invoke code that it shouldn't touch in dealloc (e.g. if your class, or a subclass, overrides the setter). Similarly it may trigger KVO notifications. Releasing the ivar instead avoids these undesired behavi...
How do I set $PATH such that `ssh user@host command` works?
I can't seem to set a new $PATH such that it is used when executing commands via ssh user@host command . I have tried adding export PATH=$PATH:$HOME/new_path to ~/.bashrc and ~/.profile on the remote machine, but executing ssh user@host "echo \$PATH" shows that the change has not been picked u...
Entity framework code-first null foreign key
...e your foreign key nullable:
public class User
{
public int Id { get; set; }
public int? CountryId { get; set; }
public virtual Country Country { get; set; }
}
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