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How to un-submodule a Git submodule?
...ick is that git does not store rename operations: instead, it detects them by looking at the parent commits. If there is a file content that was present in the previous commit, but with a different filename, it is considered a rename (or copy). In the steps above, git merge ensures that there will b...
What does Html.HiddenFor do?
...page and have passed back when another call is made but shouldn't be seen by the user.
Consider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
Now you want the edit page to store the ID but have it not be seen:
&l...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...The compiler warns you about a @property that you declared as atomic (i.e. by omitting the nonatomic keyword), yet you provide an incomplete implementation of how to synchronize access to that property.
To make that warning disappear:
If you declare a @property to be atomic then do one of the fol...
How to properly stop the Thread in Java?
... thread and wait for it to finish.
Make sure that the flag is thread safe by using a volatile variable or by using getter and setter methods which are synchronised with the variable being used as the flag.
public class IndexProcessor implements Runnable {
private static final Logger LOGGER = ...
How to call function from another file in go language?
...nks . Also you should upper case Demo() , public functions are upper cased by convention
– Raymond Chenon
Jan 18 '15 at 10:36
...
When to use nested classes and classes nested in modules?
... class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel. This difference in name can make explicit to ...
Activity has leaked window that was originally added
...ut it didn't give an extra exception for it and the whole thing was masked by the "leaked window" exception instead.
– Neph
Sep 10 '18 at 12:47
...
Check if OneToOneField is None in Django
...
Django 1.5. But I solved my particular issue by implementing what I wanted to do in a whole different way.
– alexpirine
Jul 3 '13 at 13:30
...
Case insensitive searching in Oracle
...ince 10gR2, Oracle allows to fine-tune the behaviour of string comparisons by setting the NLS_COMP and NLS_SORT session parameters:
SQL> SET HEADING OFF
SQL> SELECT *
2 FROM NLS_SESSION_PARAMETERS
3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT');
NLS_SORT
BINARY
NLS_COMP
BINARY
SQL>...