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How to pass a single object[] to a params object[]
..." parameter. This would allow you to pass multiple arrays as arguments:
void Foo( params object[][] arrays ) {
foreach( object[] array in arrays ) {
// process array
}
}
...
Foo( new[] { "1", "2" }, new[] { "3", "4" } );
// Equivalent to:
object[][] arrays = new[] {
new[] { "1", "2" },
...
How to get row from R data.frame
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10 years later ---> Using tidyverse we could achieve this simply and borrowing a leaf from Christopher Bottoms. For a better grasp, see slice().
library(tidyverse)
x <- structure(list(A = c(5, 3.5, 3.25, 4.25, 1.5 ),
B = c(4...
Is it possible for a unit test to assert that a method calls sys.exit()
...s excellent answer you can also check for specific statuses if they're provided in the function you're testing. For example if your_method() contained the following sys.exit("Error") it would be possible to test for "Error" specifically:
with self.assertRaises(SystemExit) as cm:
your_method()
...
String replacement in batch file
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Important thing regarding answer provided by Joey. That you need to put the code into batch file for it to work. If you just test it in command line, it will return unexpected %"jump over the "word%%%. Just be aware, that code in batch files and in command line ...
What's the difference between @Secured and @PreAuthorize in spring security 3?
...ameDiscoverer):
@PreAuthorize("#contact.name == principal.name")
public void doSomething(Contact contact)
(Advanced feature) Add your own methods (override MethodSecurityExpressionHandler and set it as <global-method-security><expression-handler ... /></...>).
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Escape single quote character for use in an SQLite query
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Also, consider using bound parameters if the host language supports them (most do, but the SQLite shell doesn't). The SQL would then be INSERT INTO table_name (field1, field2) VALUES (?, ?) and the values would be supplied directly (an...
Rails: How to get the model class name based on the controller class name?
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The accepted solution did not work for me as my controller and model was namespaced. Instead, I came up with the following method:
def controllers_model
(self.class.name.split('::')[0..-2] << controller_name.classify).join('::')
end
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Is it possible to insert multiple rows at a time in an SQLite database?
... as Jaime Cook points out, it's not clear this is any faster wrapping individual INSERTs within a single transaction:
BEGIN TRANSACTION;
INSERT INTO 'tablename' table VALUES ('data1', 'data2');
INSERT INTO 'tablename' table VALUES ('data3', 'data4');
...
COMMIT;
If efficiency is your goal, you shou...
How do I use WebRequest to access an SSL encrypted site using https?
I'm writing a program that reads content from a user provided URL. My problem is in the code that goes something like this:
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JavaScript Date Object Comparison
... @RobG You know, you are absolutely right. =) I was writing a library and did a test "just cuz." In real software it makes no difference whatsoever.
– Nick Zalutskiy
Jan 15 '13 at 5:12
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