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Rails 4 multiple image or file upload using carrierwave
....build
end
def create
@post = Post.new(post_params)
respond_to do |format|
if @post.save
params[:post_attachments]['avatar'].each do |a|
@post_attachment = @post.post_attachments.create!(:avatar => a)
end
format.html { redirect_to @post, notice: 'Post w...
How do I add a ToolTip to a control?
...
Here is your article for doing it with code
private void Form1_Load(object sender, System.EventArgs e)
{
// Create the ToolTip and associate with the Form container.
ToolTip toolTip1 = new ToolTip();
// Set up the delays for the ToolTip.
toolTip1.AutoPopDelay =...
AngularJS validation with no enclosing
...ngular to validate a single, isolated <input> in a similar way the forms are validated? I'm thinking about something like this:
...
Phone: numeric keyboard for text input
...for more detail: Text, Web, and Editing Programming Guide for iOS
<form>
<input type="text" pattern="\d*">
<button type="submit">Submit</button>
</form>
share
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Sending files using POST with HttpURLConnection
...he");
httpUrlConnection.setRequestProperty(
"Content-Type", "multipart/form-data;boundary=" + this.boundary);
Start content wrapper:
DataOutputStream request = new DataOutputStream(
httpUrlConnection.getOutputStream());
request.writeBytes(this.twoHyphens + this.boundary + this.crlf);
req...
'UserControl' constructor with parameters in C#
...
Design decisions made regarding the way Windows Forms works more or less preclude parameterized .ctors for windows forms components. You can use them, but when you do you're stepping outside the generally approved mechanisms. Rather, Windows Forms prefers initialization ...
Image resizing client-side with JavaScript before upload to the server
...in addition to being resized) also suffered a huge loss of quality (in the form of severe pixelation), though it was outputed at the correct resolution.
– Ruben Martinez Jr.
Dec 3 '15 at 22:28
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Does anyone beside me just NOT get ASP.NET MVC? [closed]
...
Compared to Web Forms, MVC is simultaneously a lower-level approach to HTML generation with greater control over the page output and a higher-level, more architecturally-driven approach. Let me capture Web Forms and MVC and show why I think ...
What is the difference between #include and #include “filename”?
...e, and then follows the search path used for the #include <filename> form. This method is normally used to include programmer-defined header files.
A more complete description is available in the GCC documentation on search paths.
...
Inserting a tab character into text using C#
...null character.
\a for an alert character.
\b for a backspace.
\f for a form feed.
\n for a new line.
\r for a carriage return.
\t for a horizontal tab.
\v for a vertical tab.
\uxxxx for a unicode character hex value (e.g. \u0020).
\x is the same as \u, but you don't need leading zeroes (e....