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Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
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What is the purpose of a plus symbol before a variable?
...icating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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Update all values of a column to lowercase
...this error when I try this query HINT: No function matches the given name and argument types. You might need to add explicit type casts.
– Luna Lovegood
Oct 11 '19 at 7:16
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What are the git concepts of HEAD, master, origin?
...m learning about git, I keep coming across the terms HEAD, master, origin, and I'm not sure what the differences are. If I understand correctly, HEAD is always equal to the latest revision? And if so, is that the latest revision of the whole repository, or of a specific branch or tag? This is so con...
LINQ to Entities does not recognize the method
...ucture your query expression into an expression that Entity Framework can handle.
public System.Linq.Expressions.Expression<Func<Charity, bool>> IsSatisfied()
{
string name = this.charityName;
string referenceNumber = this.referenceNumber;
return p =>
(string.IsN...
Does MySQL included with MAMP not include a config file?
...t it more "nicely," though it's a bit of a pain for people used to the command line. Just go File->Edit Template->MySQL my.cnf, and change whatever settings you need. More info on both MAMP and MAMP pro here.
– Chris Krycho
Apr 6 '12 at 18:46
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How to format current time using a yyyyMMddHHmmss format?
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I did not know the sequential mnemonic, handy, but come on why is it not the 1st February...
– silasdavis
Aug 10 '18 at 13:08
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Creating Multifield Indexes in Mongoose / MongoDB
...xes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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List of encodings that Node.js supports
...ms compiling iconv I recommend iconv-lite. It does not require compilation and according to the dev is faster than iconv and it is used by popular tools like Grunt, Nodemailer, Yeoman, ...
– Telémako
Jan 13 '14 at 11:32
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How do I use VaryByParam with multiple parameters?
In ASP.NET MVC2 I use OutputCache and the VaryByParam attribute. I got it working fine with a single parameter, but what is the correct syntax when I have several parameters on the method?
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