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How to reverse a 'rails generate'
...y using the rails generate command.
For example:
rails g model Home name:string
creates a model named home with attribute name. To remove the files and code generated from that command we can use
rails d model Home
sh...
Sending mail from Python using SMTP
...NAME, PASSWORD)
try:
conn.sendmail(sender, destination, msg.as_string())
finally:
conn.quit()
except:
sys.exit( "mail failed; %s" % "CUSTOM_ERROR" ) # give an error message
share
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...
BeanFactory vs ApplicationContext
...ssPathXmlApplicationContext {
public LazyLoadingXmlApplicationContext(String[] configLocations) {
super(configLocations);
}
/**
* Upon loading bean definitions, force beans to be lazy-initialized.
* @see org.springframework.context.support.AbstractXmlApplicationContex...
Get the last non-empty cell in a column in Google Sheets
...
I ended up comparing with the empty string rather than using ISBLANK, which treats some empty-looking cells (e.g. blank-returning formulas like ="" as non-blank. Thus: '=index(filter(A:A, A:A<>""), rows(filter(A:A, A:A<>"")))'
...
How to sort with a lambda?
... return os;
};
};
typedef std::vector<Foo> VectorT;
std::string toString(const VectorT& v)
{
std::stringstream ss;
std::copy(v.begin(), v.end(), std::ostream_iterator<Foo>(ss, ", "));
return ss.str();
};
int main()
{
VectorT v(10);
std::for_each(v.be...
Why doesn't JavaScript support multithreading?
...en more than one core), and the difficulties there are way larger than the extra possibilities.
For the future of JavaScript, check this out:
https://developer.mozilla.org/presentations/xtech2006/javascript/
share
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Pros and Cons of SQLite and Shared Preferences [closed]
...
is it advisable to save a json as json string in shared pref?
– Kaveesh Kanwal
Jul 26 '16 at 12:14
2
...
Android update activity UI from service
... binding.altitude.setText(
String.format(Locale.US,
"Pressure Altitude %d feet",
altitude.intValue())));
}
@Override
public void onServiceDisconnected(...
Why is null an object and what's the difference between null and undefined?
...avaScript: Boolean false.
name = '';
You: What is name?
JavaScript: Empty string
*: name in this context is meant as a variable which has never been defined. It could be any undefined variable, however, name is a property of just about any HTML form element. It goes way, way back and was institute...
Problems with Android Fragment back stack
... that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here.
then what's happening is like this (I'm adding numbers to the frag to make it more clear):
// transaction.replace(R.id.detailFragment, frag1);
Transaction.remove(null).add(frag1)...