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Unique constraint that allows empty values in MySQL
...he codes are unique, but some products simply doesn't have a code. I can't invent codes because those are providers codes.
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How to check Google Play services version?
In my application, I need to check Google Play services version (which is installed in user's device). Is it possible ? And if yes, how can I do that? I searched Google but I could not find anything!
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Base constructor in C# - Which gets called first? [duplicate]
...t.
try it:
public class MyBase
{
public MyBase()
{
Console.WriteLine("MyBase");
}
}
public class MyDerived : MyBase
{
public MyDerived():base()
{
Console.WriteLine("MyDerived");
}
}
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MongoDB aggregation framework match OR
Is it possible to do an OR in the $match?
2 Answers
2
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How can we run a test method with multiple parameters in MSTest?
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It is unfortunately not supported in older versions of MSTest. Apparently there is an extensibility model and you can implement it yourself. Another option would be to use data-driven tests.
My personal opinion would be to just stick with NUnit though...
As o...
How do I create an empty array in YAML?
...pty_array: is an array with no elements, such as with [] ? When I load it into a ruby hash I'd like it to know that it's an array.
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Set multiple properties in a List ForEach()?
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All you need to do is introduce some brackets so that your anonymous method can support multiple lines:
list.ForEach(i => { i.a = "hello!"; i.b = 99; });
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What's the key difference between HTML 4 and HTML 5?
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HTML5 has several goals which differentiate it from HTML4.
Consistency in Handling Malformed Documents
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malformed code and have it corrected into a valid document. Th...
jQuery posting valid json in request body
So according to the jQuery Ajax docs , it serializes data in the form of a query string when sending requests, but setting processData:false should allow me to send actual JSON in the body. Unfortunately I'm having a hard time determining first, if this is happening and 2nd what the object looks...
“Header Search Paths” vs. “User Header Search Paths” in Xcode?
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Use the User Header Search Paths for paths you want searched for #include "..." and use the Header Search Paths for #include <...>. Of course, if you check the option to Always Search User Paths, then #include <...> will also work for the user paths.
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