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How do I run a rake task from Capistrano?
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With 'bundle exec' if available
– Bogdan Gusiev
Mar 18 '11 at 14:20
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Sending a mail from a linux shell script
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If the server is well configured, eg it has an up and running MTA, you can just use the mail command.
For instance, to send the content of a file, you can do this:
$ cat /path/to/file | mail -s "your subject" your@email.com...
Change values while iterating
...that range copies the values from the slice you're iterating over.
The specification about range says:
Range expression 1st value 2nd value (if 2nd variable is present)
array or slice a [n]E, *[n]E, or []E index i int a[i] E
So, range us...
List all virtualenv
...s it.
brief usage:
$ lsvirtualenv -b
long usage:
$ lsvirtualenv -l
if you don't have any hooks, or don't even know what i'm talking about, just use "brief".
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Event for Handling the Focus of the EditText
...rride
public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) {
Toast.makeText(getApplicationContext(), "Got the focus", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getApplicationContext(), "Lost the focus", Toast.LENGTH_LONG).show();...
HTML-parser on Node.js [closed]
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If you want to build DOM you can use jsdom.
There's also cheerio, it has the jQuery interface and it's a lot faster than older versions of jsdom, although these days they are similar in performance.
You might wanna have a ...
How to check if a JavaScript variable is NOT undefined? [duplicate]
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var lastname = "Hi";
if(typeof lastname !== "undefined")
{
alert("Hi. Variable is defined.");
}
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PHP string “contains” [duplicate]
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if (strpos($str, '.') !== FALSE)
{
echo 'Found it';
}
else
{
echo 'Not found.';
}
Note that you need to compare with the !== operator. If you use != or <> and the '.' is found at position 0, hey! 0 compares equal to...
SSL certificate is not trusted - on mobile only [closed]
...tops (chrome) I have a green lock near the address bar saying "Identity verified"
2 Answers
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Are complex expressions possible in ng-hide / ng-show?
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Use a controller method if you need to run arbitrary JavaScript code, or you could define a filter that returned true or false.
I just tested (should have done that first), and something like ng-show="!a && b" worked as expected.
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