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What does -XX:MaxPermSize do?
... many classes (this is typically the case for application servers and some IDE like Eclipse) :
The permanent generation does not have a noticeable impact on garbage
collector performance for most applications. However, some
applications dynamically generate and load many classes; for example...
Get TransactionScope to work with async / await
...ndentTransaction created by Transaction.DependentClone() method:
static void Main(string[] args)
{
// ...
for (int i = 0; i < 10; i++)
{
var dtx = Transaction.Current.DependentClone(
DependentCloneOption.BlockCommitUntilComplete);
tasks[i] = TestStuff(dtx);
}
//...
...
How does OpenID authentication work?
I am a little curious to know about how OpenID authentication works.
4 Answers
4
...
How add “or” in switch statements?
... statements_switch.cs
using System;
class SwitchTest
{
public static void Main()
{
Console.WriteLine("Coffee sizes: 1=Small 2=Medium 3=Large");
Console.Write("Please enter your selection: ");
string s = Console.ReadLine();
int n = int.Parse(s);
int cost = 0;...
Tab Vs Space preferences in Vim
...pace preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop setting influences the amount of whitespace to b...
How to programmatically display version/build number of target in iOS app?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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How can I do SELECT UNIQUE with LINQ?
...
Hmm... that didn't achieve an alphabetic sort - for some reason... I switched ascending and descending and got the same result. Is the distinct statement affecting it? maybe it needs to be orderedby after that ?
– ba...
What is a “Bitmap heap scan” in a query plan?
... (hence the so-called recheck cond you see in query plans).
Note, as an aside, how clustering/row order affects the associated costs with either method. If rows are all over the place in a random order, a bitmap index will be cheaper. (And, in fact, if they're really all over the place, a seq scan ...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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SQL set values of one column equal to values of another column in the same table
...
Moderator Note - Please do not roll back valid updates to your post.
– Bhargav Rao♦
Jul 16 '19 at 1:03
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