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How can I default a parameter to Guid.Empty in C#?
...is a value type not reference type, so, default(Guid) is not equal to null for example, instead, it's equal to calling default constructor.
Which means that this:
public void Problem(Guid optional = default(Guid))
{
// when called without parameters this will be true
var guidIsEmpty = optional...
Ruby: extend self
...
In a module, self is the module class itself. So for example
puts self
will return Rake
so,
extend self
basically makes the instance methods defined in Rake available to it, so you can do
Rake.run_tests
...
It has a DefiningQuery but no InsertFunction element… err
... functions. You need 3 modifications functions (aka Stored Procedures) one for each of Insert, Update and Delete.
But you have two options:
Change the key definion:
And convince the EF that what it thinks is a view is really a table
Or add the appropriate modification functions
In your case I...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
... you can release the lock, even if the dump hasn't ended yet. To do it, perform the following command in the MySQL client:
UNLOCK TABLES;
Now copy the dump file to the slave using scp or your preferred tool.
At the slave:
Open a connection to mysql and type:
STOP SLAVE;
Load master's data du...
Is there type Long in SQLite?
...er.parseInt(value);
field.set(object, intValue);
} catch (NumberFormatException e) {
long longValue = Long.parseLong(value);
field.set(object, longValue);
}
i use this to store timestamp in sqlite
...
How can I assign the output of a function to a variable using bash?
...
VAR=$(scan)
Exactly the same way as for programs.
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Why isn't textarea an input[type=“textarea”]?
...ally are different types of things, and imply different issues (semantics) for client-side handling.
– Marc Andreessen, 11 October 1993
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foll...
Remove characters from NSString?
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Please can you format code snippets in a monospaced font for legibility. At present distinguishing the first string is a little tricky
– Mike Abdullah
May 30 '09 at 9:30
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Java packages com and org
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What is the best naming convention for when you're not part of an organization or don't have a website? I've seen me.username suggested before but I'm not sure if that's the best or the only standard.
– Aaron Franke
Dec 9...
Difference between git stash pop and git stash apply
I've been using git stash pop for quite some time. I recently found out about the git stash apply command. When I tried it out, it seemed to work the same as git stash pop .
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