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How can I get my webapp's base URL in ASP.NET MVC?
...reliable way that doesn't involve getting the current URL from the request and chopping it up in some fragile way that breaks if I re-route my action.
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java: HashMap not working
...primitive type, you can read what does mean a primitive type in java here, and a Map is an interface that has to objects as input:
public interface Map<K extends Object, V extends Object>
object means a class, and it means also that you can create an other class that exends from it, but you...
Clear form field after select for jQuery UI Autocomplete
I'm developing a form, and using jQuery UI Autocomplete. When the user selects an option, I want the selection to pop into a span appended to the parent <p> tag. Then I want the field to clear rather than be populated with the selection.
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MySQL show current connection info
...ER();
This will return something like root@localhost so you get the host and the user.
To get the current database run this statement:
SELECT DATABASE();
Other useful functions can be found here: http://dev.mysql.com/doc/refman/5.0/en/information-functions.html
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Reload django object from database
...@Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Permanently
Jan 16 '19 at 16:37
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How comment a JSP expression?
...ent machine (Browser source code).
But one should use only comment type 1 and 2 because java documentation suggested. these two comment types (1 & 2) are designed for JSP.
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Force TextBlock to wrap in WPF ListBox
...PF listbox which displays messages. It contains an avatar on the left side and the username and message stacked vertically to the right of the avatar. The layout is fine until the message text should word wrap, but instead I get a horizontal scroll bar on the listbox.
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How can I exclude $(this) from a jQuery selector?
... @marck Without context, I don't know. Create a new question and I may be able to help.
– Dan Herbert
Sep 8 '12 at 15:49
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How do I check if an object has a key in JavaScript? [duplicate]
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Try the JavaScript in operator.
if ('key' in myObj)
And the inverse.
if (!('key' in myObj))
Be careful! The in operator matches all object keys, including those in the object's prototype chain.
Use myObj.hasOwnProperty('key') to check an object's own keys and will only ret...
Make code in LaTeX look *nice* [closed]
I'm currently writing a project report, and to explain the slightly crazy un-intuitive code that I've used I need to put lots and lots of short excerpts of example code in.
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