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C# Create New T()
...;T> factory)
{ return factory(); }
and call it something like this:
string s = GetObject(() => "result");
You can use that to require or make use of available parameters, if needed.
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How to get unique device hardware id in Android? [duplicate]
...ations.html
ANDROID_ID
import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
Secure.ANDROID_ID);
The above is from the link @ Is there a unique Android device ID?
More specif...
Rounding float in Ruby
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@Excalibur 2.3000.round(2) is a number, not a string. There is no way that the number 2.3 is different from 2.30, so there is no way to have an option to preserve trailing zeros. You could make your own class of numbers_with_significance but then we already have strings....
Secret copy to clipboard JavaScript function in Chrome and Firefox?
...learConsoleMessages();
}
> copy
function (object)
{
if (injectedScript._type(object) === "node")
object = object.outerHTML;
InjectedScriptHost.copyText(object);
}
While the Firebug source also defines a list of functions:
this.clear = function() // no web page interaction
{
Firebug.Cons...
Javascript shorthand ternary operator
... Isn't this idiom an anti-pattern? What if you pass 0 or empty string, the 'OR' expression will skip it and use the default value where you actually wanted 0 or empty string.
– Paul Trzyna
Jun 29 '18 at 13:25
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validation custom message for rails 3
...ant to remove the field title from the message you should use this on your _form.htmk.erb view:
As you can see inside this view:
<ul>
<% @article.errors.full_messages.each do |msg| %>
<li><%= msg %></li>
<% end %>
</ul>
Replace it by:
<ul>
...
Is there a stopwatch in Java?
...TimeUnit.MILLISECONDS);
log.info("that took: " + stopwatch); // formatted string like "12.3 ms"
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Why aren't programs written in Assembly more often? [closed]
...different world. In C# you don't think twice about writing this:
foreach (string s in listOfStrings) { /* do stuff */ }
This would be dozens, maybe hundreds of lines of code in assembly, each programmer implementing it would take a different approach, and the next person coming along would have t...
How to escape os.system() calls?
... Yes, list2cmdline conforms to Windows cmd.exe syntax (see the function docstring in the Python source code). shlex.quote conforms to Unix bourne shell syntax, however it isn't usually necessary since Unix has good support for directly passing arguments. Windows pretty much requires that you pass a ...
“render :nothing => true” returns empty plaintext file?
...nt type like this:
render :nothing => true, :status => 200, :content_type => 'text/html'
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