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What does the [Flags] Enum Attribute mean in C#?
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The [Flags] attribute should be used whenever the enumerable represents a collection of possible values, rather than a single value. Such collections are often used with bitwise operators, for example:
var allowedColors = MyColor.Red | MyCol...
Optional Parameters with C++ Macros
...etting optional parameters with C++ Macros? Some sort of overloading would be nice too.
14 Answers
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Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
40 Answers
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How to declare a friend assembly?
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You need to sign both assemblies, because effectively both assemblies reference each other.
You have to put the public key in the InternalsVisibleTo attribute. For example, in Protocol Buffers I use:
[assembly:InternalsVisibleTo("Google.Pro...
LINQ Join with Multiple Conditions in On Clause
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You just need to name the anonymous property the same on both sides
on new { t1.ProjectID, SecondProperty = true } equals
new { t2.ProjectID, SecondProperty = t2.Completed } into j1
Based on the comments of @svick, here is another implementation that might make more sense:
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is it possible to `git status` only modified files?
Is it possible to git status and show only modified files?
16 Answers
16
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ASP.NET MVC: No parameterless constructor defined for this object
I was following Steven Sanderson's ' Pro ASP.NET MVC Framework ' book. On page 132, in accordance with the author's recommendation, I downloaded the ASP.NET MVC Futures assembly, and added it to my MVC project. [Note: This could be a red herring.]
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Load data from txt with pandas
...pd.read_csv('output_list.txt', sep=" ", header=None)
data.columns = ["a", "b", "c", "etc."]
Add sep=" " in your code, leaving a blank space between the quotes. So pandas can detect spaces between values and sort in columns. Data columns is for naming your columns.
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SCOPE_IDENTITY() for GUIDs?
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You can get the GUID back by using OUTPUT. This works when you're inserting multiple records also.
CREATE TABLE dbo.GuidPk (
ColGuid uniqueidentifier NOT NULL DEFAULT NewSequentialID(),
Col2 int NOT NULL
)
GO
DECLARE @op...
Determine if a sequence contains all elements of another sequence using Linq [duplicate]
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Count? How about Not Any?
bool contained = !subset.Except(superset).Any();
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