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mysql - how many columns is too many?
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If I have one table have 15 cols, and another one have 300 cols, the primary key of the two tables are the same. Select one column in the two tables, will the performance significantly differ?
– an offer can't ref...
Solr vs. ElasticSearch [closed]
...eway, which makes full backups easier.
Disadvantages:
Only one main developer [not applicable anymore according to the current elasticsearch GitHub organization, besides having a pretty active committer base in the first place]
No autowarming feature [not applicable anymore accordi...
What are allowed characters in cookies?
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this one's a quickie:
You might think it should be, but really it's not at all!
What are the allowed characters in both cookie name and value?
According to the ancient Netscape cookie_spec the entire NAME=VALUE string is:
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How to construct a REST API that takes an array of id's for the resources
...ple ways of implementing it. The approach that I am suggesting is probably one of the closest to the concept since it accomplishes all the constraints described here: en.wikipedia.org/wiki/…. You would only use CSV to represent arrays in requests, while the service responses should be serialized u...
Set ImageView width and height programmatically?
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Vote up because one day you were my boss and I'm still learning from you Hakim :)
– Sami Eltamawy
May 5 '15 at 8:40
10
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Visual Studio retrieving an incorrect path to a project from somewhere
...led by the local path link in the source control explorer. I had more then one mapping for my workspace and it was showing what I was expecting there but when it tried to load the project it was using the the other path.
– Benjamin Potts
Nov 11 '11 at 20:55
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Android: set view style programmatically
...text context) {
super(context, null, R.style.LightStyle);
}
}
The one argument constructor is the one used when you instantiate views programmatically.
So chain this constructor to the super that takes a style parameter.
RelativeLayout someLayout = new MyRelativeLayout(new ContextThemeWra...
Python add item to the tuple
...t.ID-s which I try to store in the user session as tuple. When I add first one it works but tuple looks like (u'2',) but when I try to add new one using mytuple = mytuple + new.id got error can only concatenate tuple (not "unicode") to tuple .
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Best practices for overriding isEqual: and hash
...question (best practices for overriding NSObject's hash). It just provides one particular hash algorithm. On top of that, the sparsity of the explanation makes it difficult to understand without deep knowledge on the matter, and can result in people using it without knowing what are they doing. I ...
Visual Studio Editor does not underline errors anymore
...CodeRush and Resharper for evaluation purposes (decided not to keep either one of them).
7 Answers
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