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Best way to alphanumeric check in JavaScript
...amp;& // upper alpha (A-Z)
!(code > 96 && code < 123)) { // lower alpha (a-z)
return false;
}
}
return true;
};
Of course, there may be other considerations, such as readability. A one-line regular expression is definitely prettier to look at. But if you're ...
php $_POST array empty upon form submission
...g didn't have a name attribute, and only in IE.
– jkt123
Jul 25 '17 at 18:13
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Asterisk in function call
...es a list as input, and expands it into actual positional arguments in the function call.
So if uniqueCrossTabs was [ [ 1, 2 ], [ 3, 4 ] ], then itertools.chain(*uniqueCrossTabs) is the same as saying itertools.chain([ 1, 2 ], [ 3, 4 ])
This is obviously different from passing in just uniqueCrossT...
What is the difference between D3 and jQuery?
...[50, 100, 150]);
// update existing nodes
binding
.style('width', function(d) { return d + 'px'; });
// create nodes for new data
binding.enter()
.append('div')
.style('width', function(d) { return d + 'px'; });
// remove nodes for discarded data
binding.exit()
.remove...
Filter dataframe rows if value in column is in a set list of values [duplicate]
...e,
str.contains('pandas', case=False)
would match PANDAS, PanDAs, paNdAs123, and so on.
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Prompt Dialog in Windows Forms
... }
}
And calling it:
string promptValue = Prompt.ShowDialog("Test", "123");
Update:
Added default button (enter key) and initial focus based on comments and another question.
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Swift - which types to use? NSString or String
...e String from repeating values:
let repeatingString = String(repeating:"123", count:2) // "123123"
In Swift 4 -> Strings Are Collection Of Characters:
Now String is capable of performing all operations which anyone can
perform on Collection type.
For more information please refer a...
“unpacking” a tuple to call a matching function pointer
...ng number of values, which will later be used as arguments for a call to a function pointer which matches the stored types.
...
Clear the cache in JavaScript
...evision number or last updated timestamp to the file, like this:
myscript.123.js
or
myscript.js?updated=1234567890
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File Upload without Form
...e with properties of file_field to form_data
form_data.append("user_id", 123) // Adding extra parameters to form_data
$.ajax({
url: "/upload_avatar", // Upload Script
dataType: 'script',
cache: false,
contentType: false,
processData: false,
data: form_data, // Setting the...