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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
|
...
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<>"")))'
...
Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
...
That's only possible via an extra class... I've defined a class named remove-padding which just has a .remove-padding {padding-left: 0; padding-right: 0; margin-left: 0; margin-right: 0} As far as I know, there is no predefined class to remove the defau...
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(...
How to write a large buffer into a binary file in C++, fast?
...stream("file.binary", std::ios::out | std::ios::binary);
myfile.write((char*)&data[0], bytes);
myfile.close();
auto endTime = std::chrono::high_resolution_clock::now();
return std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime).count();
}
long long ...
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...
What is the difference between localStorage, sessionStorage, session and cookies?
...ilities, cookies, sessionStorage, and localStorage only allow you to store strings - it is possible to implicitly convert primitive values when setting (these will need to be converted back to use them as their type after reading) but not Objects or Arrays (it is possible to JSON serialise them to s...