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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...resents a method which takes a T parameter. It would be nice to be able to convert seamlessly use an Action<object> as an Action<string> - any method which takes an object parameter is going to be fine when it's presented with a string instead. Of course, C# 2 already has covariance and ...
Sending email through Gmail SMTP server with C#
...anyone who runs into this post! (I used VB.NET but I think it's trivial to convert it to any .NET language.)
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How to add a line break in C# .NET documentation
...d parameter option, <para> tags are ignored, and everything is mixed into a single line in Intellisense. Found this question, where Hans explained the problem: stackoverflow.com/questions/7070737/….
– Neolisk
Nov 25 '13 at 16:26
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
...StatementSetter with all parameters in sequence. Just add below snippet to convert the query in traditional form based to available parameters,
ParsedSql parsedSql = NamedParameterUtils.parseSqlStatement(namedSql);
List<Integer> parameters = new ArrayList<Integer>();
for (A a : paramBe...
How do Python's any and all functions work?
... rest of the multiples_of_6 is not iterated. That is what we see when we print list(multiples_of_6), the result of 7, 8 and 9.
This excellent thing is used very cleverly in this answer.
With this basic understanding, if we look at your code, you do
any(x) and not all(x)
which makes sure that...
What does the `#` operator mean in Scala?
...ala. Consider this simple example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
scala> val a2 = new A
a2: A = A@4bed4c8
scala> a2.f(new a1.B)
<console>:11: error: type mismatch;
found : a...
Formatting a number with exactly two decimals in JavaScript
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This is a bad idea in most situations, it converts the number to a string or float point number in some cases.
– Ash Blue
Jun 20 '12 at 15:19
80
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Parallel foreach with asynchronous lambda
...t;T>(this IEnumerable<T> source, Func<T, Task> asyncAction, int maxDegreeOfParallelism = 10)
{
var semaphoreSlim = new SemaphoreSlim(maxDegreeOfParallelism);
var tcs = new TaskCompletionSource<object>();
var exceptions = new ConcurrentBag<Exception...
Mechanisms for tracking DB schema changes [closed]
...a database-specific flavour of SQL. Your Ruby migration code ends up being converted into the DDL specific to your current database; this makes switching database platforms very easy.
For every change you make to the database, you write a new migration. Migrations typically have two methods: an "u...
jQuery selector for the label of a checkbox
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Use .text() to convert object to string: alert($("label[for='comedyclubs']").text());
– Loren
Dec 12 '12 at 18:56
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