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Difference between Dictionary and Hashtable [duplicate]
...dictionary.Add("iguana", -1);
//dictionary.Add(1, -2); // Compilation Error
foreach (KeyValuePair<string, int> pair in dictionary)
{
lblDisplay.Text = pair.Value + " " + lblDisplay.Text;
}
}
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Parallelize Bash script with maximum number of processes
Lets say I have a loop in Bash:
16 Answers
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What is the Scala annotation to ensure a tail recursive function is optimized?
...eption("bang!")
| else bang(x-1)
| }
| }
<console>:9: error: could not optimize @tailrec annotated method: it contains a recursive call not in tail position
@tailrec def boom(x: Int): Int = {
^
<console>:13: error: could not optimize @tailrec ann...
How can I get the current PowerShell executing file?
Note: PowerShell 1.0
I'd like to get the current executing PowerShell file name. That is, if I start my session like this:
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Cosmic Rays: what is the probability they will affect a program?
...s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15]
This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute and occupies 20 MB of RAM, then the failure pr...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...s for the detailed response, when I run 'git push remote :master' I get an error - 'remote' does not appear to be a git repository.
– Jason
May 19 '10 at 4:02
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Where to define custom error types in Ruby and/or Rails?
Is there a best practice for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
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adb shell command to make Android package uninstall dialog appear
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Rails raw SQL example
...ails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
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What is a 'multi-part identifier' and why can't it be bound?
I continually get these errors when I try to update tables based on another table. I end up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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