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How do I tell if a regular file does not exist in Bash?
... a string is not empty. ~ ibm.com/developerworks/library/l-bash-test/index.html
– BlueCacti
May 5 '14 at 11:06
1
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Is there a CSS selector by class prefix?
...y after a space character. Class names are separated by whitespace per the HTML spec, hence the significant space character. This checks any other classes after the first if multiple classes are specified, and adds a bonus of checking the first class in case the attribute value is space-padded (whic...
How to get Twitter-Bootstrap navigation to show active link?
...text, path
end
end
Then, in a view (e.g. app/views/layouts/application.html.erb):
<%= nav_bar do %>
<%= nav_link 'Home', root_path %>
<%= nav_link 'Posts', posts_path %>
<%= nav_link 'Users', users_path %>
<% end %>
This example produces (when on the 'users...
Cache busting via params
...sions to exist at once so you can roll out a new version and if any cached HTML pages still exist that are requesting the older version, they will get the version that works with their HTML.
Note, in one of the largest versioned deployments anywhere on the internet, jQuery uses version numbers in t...
Is either GET or POST more secure than the other?
...bmit a post somewhere automatically by clicking a link (that contains that html)
– FryGuy
Jan 18 '11 at 1:53
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show 8 more comments
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Preventing form resubmission
Page one contains an HTML form. Page two - the code that handles the submitted data.
12 Answers
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How can one display images side by side in a GitHub README.md?
...
Similar to the other examples, but using html sizing, I use:
<img src="image1.png" width="425"/> <img src="image2.png" width="425"/>
Here is an example
<img src="https://openclipart.org/image/2400px/svg_to_png/28580/kablam-Number-Animals-1.png" w...
jQuery AJAX cross domain
...Control: no-cache, no-store, max-age=0, must-revalidate
Content-Type: text/html; charset=utf-8
X-Ua-Compatible: IE=Edge
Etag: "c4ca4238a0b923820dcc509a6f75849b"
X-Runtime: 0.913606
Content-Length: 6
Server: WEBrick/1.3.1 (Ruby/1.9.2/2011-07-09)
Date: Thu, 01 Mar 2012 20:44:28 GMT
Connection: Keep-Al...
How to access parameters in a RESTful POST method
... of a new class since the data is passed using simple argument passing.
HTML <FORM>
The parameters would be annotated using @FormParam:
@POST
@Path("/create")
public void create(@FormParam("param1") String param1,
@FormParam("param2") String param2) {
...
}
The br...
How to create a tag with Javascript?
I'm looking for a way to insert a <style> tag into an HTML page with JavaScript.
14 Answers
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