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In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
...up again.
public static void RemoveEverythingButUserInfo()
{
foreach (String o in HttpContext.Current.Session.Keys)
{
if (o != "UserInfoIDontWantToAskForAgain")
keys.Add(o);
}
}
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Can't execute jar- file: “no main manifest attribute”
...ere com.mypackage.MyClass is the class holding the public static void main(String[] args) entry point.
Note that there are several ways to get this done either with the CLI, Maven, Ant or Gradle:
For CLI, the following command will do: (tks @dvvrt)
jar cmvf META-INF/MANIFEST.MF <new-jar-filename&...
Type hinting a collection of a specified type
...thon 3 type annotations to specify types within collections (ex: a list of strings).
The use of formatted docstrings such as reStructuredText or Sphinx are viable alternatives and supported by various IDEs.
It also appears that Guido is mulling over the idea of extending type annotations in the sp...
Pass parameter to controller from @Html.ActionLink MVC 4
...ag.Name }, htmlAttributes:null )
Controller:
public ActionResult About(string name)
{
ViewBag.Message = "Your application description page.";
ViewBag.NameTransfer = name;
return View();
}
And the URL looks like
http://localhost:50297/Home/A...
How to get a URL parameter in Express?
...e. For named route "parameters" (e.g. /p/:tagId) use req.params. For query strings (e.g. /p?tagId=5) use req.query.
– Nateowami
Jun 19 '15 at 8:18
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Is it considered bad practice to perform HTTP POST without entity body?
...
Yes, it's OK to send a POST request without a body and instead use query string parameters. But be careful if your parameters contain characters that are not HTTP valid you will have to encode them.
For example if you need to POST 'hello world' to and end point you would have to make it look like...
Ant: How to execute a command for each file in directory?
... <condition property="hasMoreElements">
<contains string="@{list}" substring=";" />
</condition>
<loadresource property="tail" if:true="${hasMoreElements}">
<concat>@{list}</concat>
<filte...
Providing a default value for an Optional in Swift?
...as coalescing operator (??) that allows that. For example, for an optional String myOptional you could write:
result = myOptional ?? "n/a"
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fol...
Redirect stdout to a file in Python?
... to replace the 'w' attribute with, os.O_WRONLY|os.O_CREATE ... can't send strings into the "os" commands!
– Ch'marr
Jul 26 '12 at 21:52
3
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Clearing using jQuery
...security reasons you can't set the value of a file input, even to an empty string.
All you have to do is reset the form where the field or if you only want to reset the file input of a form containing other fields, use this:
function reset_field (e) {
e.wrap('<form>').parent('form').trig...