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How to restore to a different database in sql server?
...m the toolbar, click the Activity Monitor button.
Click processes. Filter by the database you want to restore. Kill all running processes by right clicking on each process and selecting "kill process".
Right click on the database you wish to restore, and select Tasks-->Restore-->From Databas...
What are “named tuples” in Python?
...king a tuple class. With that class we can create tuples that are callable by name also.
import collections
#Create a namedtuple class with names "a" "b" "c"
Row = collections.namedtuple("Row", ["a", "b", "c"])
row = Row(a=1,b=2,c=3) #Make a namedtuple from the Row class we created
print row ...
Comparing two files in linux terminal
...<(sort a.txt) <(sort b.txt)
comm compares (sorted) input files and by default outputs three columns: lines that are unique to a, lines that are unique to b, and lines that are present in both. By specifying -1, -2 and/or -3 you can suppress the corresponding output. Therefore comm -23 a b li...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
...
By default, all your db queries will be logged already in test mode. They'll be in log/test.log.
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How to hide action bar before activity is created, and then show it again?
...tionBar but then, as you say, getActionBar(); returns null.
This is solved by:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
getActionBar().hide();
setContentView(R.layout.splash); // be ...
What can you use Python generator functions for?
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Generators give you lazy evaluation. You use them by iterating over them, either explicitly with 'for' or implicitly by passing it to any function or construct that iterates. You can think of generators as returning multiple items, as if they return a list, but instead of re...
Closing WebSocket correctly (HTML5, Javascript)
...t):
To close the connection cleanly, a frame consisting of just a 0xFF byte
followed by a 0x00 byte is sent from one peer to ask that the other peer
close the connection.
If you are writing a server, you should make sure to send a close frame when the server closes a client connect...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
I was going through the exercises in Ruby Koans and I was struck by the following Ruby quirk that I found really unexplainable:
...
How to ignore xargs commands if stdin input is empty?
...ace, so this sort of thing will happen frequently. You can work around it by using homebrew to install the GNU fileutils.
– edk750
Jul 20 '16 at 19:41
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split string only on first instance of specified character
... this is the best answer. it is also possible to get string after second _ by writing: myString.substring( myString.indexOf('_', myString().indexOf('_') + 1) + 1 )
– muratgozel
Oct 27 '16 at 23:42
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