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jQuery multiple events to trigger the same function
Is there a way to have keyup , keypress , blur , and change events call the same function in one line or do I have to do them separately?
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In Postgresql, force unique on combination of two columns
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CREATE TABLE someTable (
id serial primary key,
col1 int NOT NULL,
col2 int NOT NULL,
unique (col1, col2)
)
autoincrement is not postgresql. You want a serial.
If col1 and col2 make a unique and can't be null then they make a good prim...
How do I update the GUI from another thread?
... null,
control,
new object[] { propertyValue });
}
}
Call it like this:
// thread-safe equivalent of
// myLabel.Text = status;
SetControlPropertyThreadSafe(myLabel, "Text", status);
If you're using .NET 3.0 or above, you could rewrite the above method as an extension method ...
TypeError: $.ajax(…) is not a function?
...pe: 'POST',
url: url,
data: postedData,
dataType: 'json',
success: callback
});
You had extra brackets next to $.ajax which were not needed. If you still get the error, then the jQuery script file is not loaded.
sh...
Why does Java have transient fields?
... that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage implements Serializable
{
private Image...
Coding Style Guide for node.js apps? [closed]
...you plan on releasing code that runs server-side as well as in the browser
Callbacks should take err as the first argument and if they themselves take a callback as an argument, it should be last, e.g. callback(err, param1, param2, callback)
Indentation, spacing between braces and keywords and sem...
Change UITextField and UITextView Cursor / Caret Color
...am as it does not use any existing Private APIs.
I have created a control called DGTextField that extends UITextField.
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Equivalent to 'app.config' for a library (DLL)
...t project it suddenly starting working! My App.config setting now automatically get included in the DLL.configs. What a relief!
– Zeek2
Jun 19 '19 at 9:49
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Show space, tab, CRLF characters in editor of Visual Studio
... View White Space. The keyboard shortcut is CTRL+R, CTRL+W. The command is called Edit.ViewWhiteSpace.
It works in all Visual Studio versions at least since Visual Studio 2010, the current one being Visual Studio 2019 (at time of writing). In Visual Studio 2013, you can also use CTRL+E, S or CTRL+E...
JavaScript: how to change form action attribute value based on selection?
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Simple and easy in javascipt
<script>
document.getElementById("selectsearch").addEventListener("change", function(){
var get_form = document.getElementById("search-form") // get form
get_form.action = '/search/' + this.value; // assign value
});
</script>
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