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How do I vertically center UITextField Text?
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4 Answers
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Labels for radio buttons in rails form
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145
<% form_for(@message) do |f| %>
<%= f.radio_button :contactmethod, 'email', :checked...
How can I do division with variables in a Linux shell?
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edited Aug 7 '13 at 3:04
answered Aug 7 '13 at 2:59
padd...
Best way to implement request throttling in ASP.NET MVC?
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240
Here's a generic version of what we've been using on Stack Overflow for the past year:
/// <...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
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answered May 17 '11 at 4:36
Alexander ProkofyevAlexander Prokofyev
31.3k3131 gold badges9191 silver badges115115 bronze badges
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
I have a dataframe with ~300K rows and ~40 columns.
I want to find out if any rows contain null values - and put these 'null'-rows into a separate dataframe so that I could explore them easily.
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iOS 7 TextKit - How to insert images inline with text?
...t:textAttachment];
[attributedString replaceCharactersInRange:NSMakeRange(4, 1) withAttributedString:attrStringWithImage];
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How to prevent browser page caching in Rails
...nse.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Control"] = "no-cache, no-store"
response....
nginx: [emerg] could not build the server_names_hash, you should increase server_names_hash_bucket_s
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4 Answers
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Sending a JSON to server and retrieving a JSON in return, without JQuery
.../json");
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
var json = JSON.parse(xhr.responseText);
console.log(json.email + ", " + json.password);
}
};
var data = JSON.stringify({"email": "hey@mail.com", "password": "101010"});
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