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How to get index using LINQ? [duplicate]
...o search.</param>
///<param name="predicate">The expression to test the items against.</param>
///<returns>The index of the first matching item, or -1 if no items match.</returns>
public static int FindIndex<T>(this IEnumerable<T> items, Func<T, bool> ...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...
How to test the last function with PEP 3102? I call it with func(1,2,3,name="me",age=10) and it throws exception: got an unexpected keyword argument 'name'
– Kok How Teh
Apr 3 '19 at 3:34
...
How do you test a public/private DSA keypair?
...ter/ssh
Note: My previous answer (in Mar 2018) no longer works with the latest releases of openssh. Previous answer: diff -qs <(ssh-keygen -yf ~/.ssh/id_rsa) <(cut -d ' ' -f 1,2 ~/.ssh/id_rsa.pub)
share
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...
MetadataException: Unable to load the specified metadata resource
... It was the connectionstring for me too. When you have Integration Tests that also need connectionsting in its own App.config, things may go out of sync when you update your edmx.
– Ray
Oct 24 '10 at 22:45
...
isset() and empty() - what to use
...t set.
Regarding isset
PHP Manual says
isset() will return FALSE if testing a variable that has been set to NULL
Your code would be fine as:
<?php
$var = '23';
if (!empty($var)){
echo 'not empty';
}else{
echo 'is not set or empty';
}
?>
For examp...
How can I access an internal class from an external assembly?
...flection:
object obj = ...
string value = (string)obj.GetType().GetField("test").GetValue(obj);
If it is actually a property (not a field):
string value = (string)obj.GetType().GetProperty("test").GetValue(obj,null);
If it is non-public, you'll need to use the BindingFlags overload of GetField...
Passing base64 encoded strings in URL
...rted to a SPACE inside the $_GET global array. In other words, if you sent test.php?myVar=stringwith+sign to
//test.php
print $_GET['myVar'];
the result would be:
stringwith sign
The easy way to solve this is to simply urlencode() your base64 string before adding it to the query string to escape...
How to perform runtime type checking in Dart?
...on, the is operator is defined on page 59 of the spec, section 10.30 'Type test'
– Duncan
Oct 11 '11 at 8:53
4
...
How to modify a global variable within a function in bash?
...capture "$@")"; }
e=2
# Add following line, called "Annotation"
function test1_() { passback e; }
function test1() {
e=4
echo "hello"
}
# Change following line to:
capture ret test1
echo "$ret"
echo "$e"
prints as desired:
hello
4
Note that this solution:
Works for e=1000, too.
Prese...
Which selector do I need to select an option by its text?
...
This could help:
$('#test').find('option[text="B"]').val();
Demo fiddle
This would give you the option with text B and not the ones which has text that contains B. Hope this helps
For recent versions of jQuery the above does not work. As comm...