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Pass Array Parameter in SqlCommand
...ar parameters = new string[items.Length];
var cmd = new SqlCommand();
for (int i = 0; i < items.Length; i++)
{
parameters[i] = string.Format("@Age{0}", i);
cmd.Parameters.AddWithValue(parameters[i], items[i]);
}
cmd.CommandText = string.Format("SELECT * from TableA WHERE Age IN ({0})", s...
ISO time (ISO 8601) in Python
I have a file. In Python, I would like to take its creation time, and convert it to an ISO time (ISO 8601) string while preserving the fact that it was created in the Eastern Time Zone (ET) .
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Setting Short Value Java
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In Java, integer literals are of type int by default. For some other types, you may suffix the literal with a case-insensitive letter like L, D, F to specify a long, double, or float, respectively. Note it is common practice to use up...
Find kth smallest element in a binary search tree in Optimum way
...he number of elements in the left subtree, to decide whether to do recurse into the left or right subtree.
Now, suppose we are at node T:
If k == num_elements(left subtree of T), then the answer we're looking for is the value in node T.
If k > num_elements(left subtree of T), then obviously we...
Open Source Alternatives to Reflector? [closed]
...of). But in the current source in codeplex there is a pretty simple API to convert the decompiled AST into C#, fyi.
– justin.m.chase
Feb 15 '11 at 16:53
2
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What is the difference between atomic / volatile / synchronized?
How do atomic / volatile / synchronized work internally?
7 Answers
7
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Is it better to call ToList() or ToArray() in LINQ queries?
I often run into the case where I want to eval a query right where I declare it. This is usually because I need to iterate over it multiple times and it is expensive to compute. For example:
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Sorting object property by values
... objSorted[item[0]]=item[1]
})
In ES8, you can use Object.entries() to convert the object into an array:
const maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
const sortable = Object.entries(maxSpeed)
....
How to add a button dynamically in Android?
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try this:
for (int i = 1; i <= 20; i++) {
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
Button btn = new...
Is there a performance difference between a for loop and a for-each loop?
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From Item 46 in Effective Java by Joshua Bloch :
The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulting idiom
applies equally to collections and
arrays:
// The preferre...