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Entity Framework. Delete all rows in table
...
The amount of data is small or
The performance doesn't matter
Simply call:
VotingContext.Votes.RemoveRange(VotingContext.Votes);
Assuming this context:
public class VotingContext : DbContext
{
public DbSet<Vote> Votes{get;set;}
public DbSet<Poll> Polls{get;set;}
p...
How do I pass a variable by reference?
...do_with_the_old_string(the_string)
return new_string
# then you could call it like
my_string = return_a_whole_new_string(my_string)
If you really wanted to avoid using a return value, you could create a class to hold your value and pass it into the function or use an existing class, like a li...
Jackson serialization: ignore empty values (or null)
...TY
The other option is to configure the ObjectMapper directly, simply by calling
mapper.setSerializationInclusion(Include.NON_NULL);
(for the record, I think the popularity of this answer is an indication that this annotation should be applicable on a field-by-field basis, @fasterxml)
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What are the differences between various threading synchronization options in C#?
...is generally preferred over mutexes, because monitors were designed specifically for the .NET Framework and therefore make better use of resources.
Using a lock or monitor is useful for preventing the simultaneous execution of thread-sensitive blocks of code, but these constructs do not allow one ...
How to getText on an input in protractor
...k we have kept it in a common function like -
getText : function(element, callback) {
element.getText().then (function(text){
callback(text);
});
},
By this you can have the text of an element.
Let me know if it is still unclear.
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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
... point about money type being missing from other database, there ware ways calling decimal or numeric as money, such as creating domain.
– gg89
Sep 19 '14 at 5:57
4
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Create module variables in Ruby
...s of modules, and class variables are definable on modules. They should be called module variables.
– sawa
Apr 17 '11 at 2:54
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Convert Json Array to normal Java list
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If you don't already have a JSONArray object, call
JSONArray jsonArray = new JSONArray(jsonArrayString);
Then simply loop through that, building your own array. This code assumes it's an array of strings, it shouldn't be hard to modify to suit your particular array st...
Why do loggers recommend using a logger per class?
...Logger.DebugFormat("File not found: {0}", _filename); // Logger determines caller
-- or --
Logger.DebugFormat(this, "File not found: {0}", _filename); // Pass in the caller
Using the second example, the Logger would need to build a stack trace to see who was calling it or your code would always ...
SFTP Libraries for .NET [closed]
...o the application bin folder; or you can set Session.ExecutablePath before calling Session.Open().
– Edward
Jul 11 '14 at 10:23
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