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How to create a listbox in HTML without allowing multiple selection?
...t
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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Conversion failed when converting date and/or time from character string while inserting datetime
... answered Jan 2 '13 at 8:51
marc_smarc_s
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How do I sort an array of hashes by a value in the hash?
...by has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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Android Facebook integration with invalid key hash
... "com.example.packagename",
PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.diges...
Regular vs Context Free Grammars
...ven includes epsilon as an third alternative: en.wikipedia.org/wiki/Regular_grammar)
– user764754
Feb 5 '12 at 18:26
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Reshaping data.frame from wide to long format
...UE)
library(reshape)
x2 <- melt(x, id = c("Code", "Country"), variable_name = "Year")
x2[,"Year"] <- as.numeric(gsub("X", "" , x2[,"Year"]))
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How to redirect to Index from another controller?
...er
{
// GET: /<controller>/
public IActionResult _Layout(string btnLogout)
{
if (btnLogout != null)
{
return LocalRedirect("~/Index");
}
return View();
}
}
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recursion versus iteration
...iption of an algorithm in pseudocode: csl.mtu.edu/cs2321/www/newLectures/26_Depth_First_Search.html
– jdelman
Feb 21 '18 at 15:53
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How to automate createsuperuser on django?
...reference User directly, your code will not work in projects where the AUTH_USER_MODEL setting has been changed to a different user model. A more generic way to create the user would be:
echo "from django.contrib.auth import get_user_model; User = get_user_model(); User.objects.create_superuser('a...
Colorized Ruby output to the terminal [closed]
...code in Cygwin but it comes out without colors..
– jj_
Mar 8 '13 at 15:07
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