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Rails 4 - passing variable to partial
...buyer } %>
<%= render "account", account: @buyer %>
# @account.to_partial_path returns 'accounts/account', so it can be used to replace:
# <%= render partial: "accounts/account", locals: { account: @account} %>
<%= render @account %>
# @posts is an array of Post instances, so ...
Make a link in the Android browser start up my app?
...
For reference, adding CATEGORY_BROWSABLE means that "The target activity can be safely invoked by the browser to display data referenced by a link — for example, an image or an e-mail message."
– greg7gkb
Jul 9 '12...
Linking static libraries to other static libraries
I have a small piece of code that depends on many static libraries (a_1-a_n). I'd like to package up that code in a static library and make it available to other people.
...
How to sort a Ruby Hash by number value?
...ea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ==> {"siteb.c...
Why was the switch statement designed to need a break?
...ors
that can have either one or two
operands:
switch (operator->num_of_operands) {
case 2: process_operand( operator->operand_2);
/* FALLTHRU */
case 1: process_operand( operator->operand_1);
break;
}
Case fall through is so widely
recognized as a def...
How to record webcam and audio using webRTC and a server-based Peer connection
...mediaOptions.audio;
navigator.mediaDevices.getUserMedia(media.gUM).then(_stream => {
stream = _stream;
id('gUMArea').style.display = 'none';
id('btns').style.display = 'inherit';
start.removeAttribute('disabled');
recorder = new MediaRecorder(stream);
recorder.ond...
How to disassemble one single function using objdump?
...e.g., gdb -batch -ex 'disassemble main' /bin/ls
– hoc_age
Oct 17 '14 at 15:01
3
...
Android: create a popup that has multiple selection options
... Toast.makeText(TopicDetails.this, "you nailed it", Toast.LENGTH_SHORT).show();
} else if ("Medium".equals(fonts[which])) {
Toast.makeText(TopicDetails.this, "you cracked it", Toast.LENGTH_SHORT).show();
} else if ("Large".equals(fonts[which])) {
...
How do I deep copy a DateTime object?
...t, but deep enough for a DateTime. In your own objects, you can define the __clone() magic method to clone the properties (i.e. child objects) that make sense to be cloned when the parent object changes.
(I'm not sure why the documentation thinks a good example of needing to clone an object is GTK....
iOS Equivalent For Android Shared Preferences
...alue, forKey: key)
}
}
Example
//set
Configuration.value(value: "my_value", forKey: "key_1")
//get
let myValue = Configuration.value(defaultValue: "default_value", forKey: "key_1")
share
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