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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...rough v. 11.4)
QQ (through v. 1.2)
You can find more (and more current) information at CanIUse.com (no affiliation).
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Simple regular expression for a decimal with a precision of 2
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Valid regex tokens vary by implementation. A generic form is:
[0-9]+(\.[0-9][0-9]?)?
More compact:
\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the ex...
EOFError: end of file reached issue with Net::HTTP
...url = URI.parse(domain)
req = Net::HTTP::Post.new(url.request_uri)
req.set_form_data({'name'=>'Sur Max', 'email'=>'some@email.com'})
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = (url.scheme == "https")
response = http.request(req)
See more in my blog: EOFError: end of file reached...
HTML File Selection Event
... Note that in IE7 and 8 that the 'change' event doesn't bubble up to the form event. You need to put your listener on the <input> tag.
– xer0x
Jul 20 '11 at 18:07
37
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Use images instead of radio buttons
...on IE too, but actually it isn't. the image behaves correctly but when the form is submitted, there is no thumbnail selection. I guess i am using the new IE that comes with Win 8.1. Any idea?
– Junaid Rehman
Feb 20 '15 at 22:18
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What does [STAThread] do?
...ows message pump to communicate with COM components. Although core Windows Forms does not use COM, many components of the OS such as system dialogs do use this technology.
MSDN explains the reason in slightly more detail:
STAThreadAttribute indicates that the
COM threading model for the
app...
Expression Versus Statement
...ammar as we know it today—that idea was invented, along with Backus-Naur Form (BNF), as part of the definition of Algol-60. At that point the semantic distinction ("have a value" versus "do something") was enshrined in syntax: one kind of phrase was an expression, and another was a statement, and...
Insert line break inside placeholder attribute of a textarea?
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Don't think you're allowed to do that: http://www.w3.org/TR/html5/forms.html#the-placeholder-attribute
The relevant content (emphasis mine):
The placeholder attribute represents a short hint (a word or short
phrase) intended to aid the user with data entry when the control has
no v...
What's the difference between ng-model and ng-bind
...ml where val is a variable name.
ng-model is intended to be put inside of form elements and has two-way data binding ($scope --> view and view --> $scope) e.g. <input ng-model="val"/>.
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How to set value of input text using jQuery
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@using (Html.BeginForm()) { @Html.ValidationSummary(true) <fieldset> <legend>Reservation</legend> ......... <div class="editor-label"> @Html.LabelF...