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How to repair a serialized string which has been corrupted by an incorrect byte count length?
...ce) it's deprecated - better use preg_replace_callback:
Edit: New Version now not just wrong length but it also fix line-breaks and count correct characters with aczent (thanks to mickmackusa)
// New Version
$data = preg_replace_callback('!s:\d+:"(.*?)";!s', function($m) { return "s:" . strlen($m[...
Process all arguments except the first one (in a bash script)
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@GordonDavisson Hmm... you're right, now that I think about it; the line break shouldn't be an issue. I must have been thinking of something else. However, I still have to disagree about running them together; I need to use $* quite often in my scripts.
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postgresql port confusion 5433 or 5432?
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/etc/services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port 5432 if it is available. If it isn't, most installers ...
How do I fetch lines before/after the grep result in bash?
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Nice, ive had to look this up a few times now, maybe I can remember it as -A(FTER) -B(EFORE) -C(ONTEXT)
– Opentuned
Aug 30 '18 at 13:47
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How to generate and validate a software license key?
...After you find some keys or patches floating in astalavista.box.sk you'll know that you succeeded in making something popular enough that somebody bothered to crack. Rejoice!
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Naming returned columns in Pandas aggregate function? [duplicate]
... is done with tidyverse's summarize in R), but a work-around in pandas for now is to create the new columns with desired names via assign before doing the aggregation:
data.assign(
f=data['column1'],
mean=data['column2'],
std=data['column2']
).groupby('Country').agg(dict(f=sum, mean=np....
Why should I implement ICloneable in c#?
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Wayback link to article, which is 404 now: web.archive.org/web/20040419170407/http://blogs.msdn.com/brada/…
– harpo
Sep 7 '13 at 17:48
2
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Difference between scaling horizontally and vertically for databases [closed]
... the need for scaling that is increasing resources so that your system can now handle more requests than it earlier could.
When you realise your system is getting slow and is unable to handle the current number of requests, you need to scale the system.
This provides you with two options. Either...
Rails “validates_uniqueness_of” Case Sensitivity
... If you do not have a database constraint, the insert will succeed and you now have two rows with 'foo' as the name.
See also "Concurrency and integrity" in the validates_uniqueness_of Rails documentation.
From Ruby on Rails 3rd Edition:
...despite its name, validates_uniqueness_of doesn’t ...
How to create war files
...ct. Select the directory where you ran the mvn goals.
That's it you should now have a very good start to a war project in eclipse
You can create the war itself by running mvn package or deploy it by setting up a server in eclipse and simply adding adding the project to the server.
As some others h...