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How do I create a URL shortener?
...for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A pseudo-code example:
digits = []
while num > 0
remainder = modulo(num, 62)
dig...
How to delete a module in Android Studio
... record of the project app folder(Check it by clcking on the Gradle View). Now go to File->Close Project.
Step 3: Now you are at the start window. Move the cursor on the in recent project list. Press Delete.
Step 4: Delete the folder from the explorer by moving or deleting it actually. This lo...
How to add external library in IntelliJ IDEA?
...e today are most probably using an IDE that supports this simple method by now
– German
Jun 23 '15 at 13:47
4
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Push commits to another branch
...dn't be attempted by the faint of heart unless you're absolutely sure you know what you're doing with respect to any remote repositories and other people who have forks/clones of the same project.
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How to add hours to current time in python
...
from datetime import datetime, timedelta
nine_hours_from_now = datetime.now() + timedelta(hours=9)
#datetime.datetime(2012, 12, 3, 23, 24, 31, 774118)
And then use string formatting to get the relevant pieces:
>>> '{:%H:%M:%S}'.format(nine_hours_from_now)
'23:24:31'
I...
What is a good pattern for using a Global Mutex in C#?
...owEveryoneRule =
new MutexAccessRule( new SecurityIdentifier( WellKnownSidType.WorldSid
, null)
, MutexRights.FullControl
, AccessControlType.Allow
);
var s...
Is it possible to run selenium (Firefox) web driver without a GUI?
... display number to :99
Xvfb :99 -ac &
export DISPLAY=:99
#you are now having an X display by Xvfb
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How to use glyphicons in bootstrap 3.0
I have already used glyphicons in bootstrap 2.3 but now I have upgraded to bootstrap 3.0. Now, I am unable to use the icon property.
...
What does iterator->second mean?
...
I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pai...
How to implement onBackPressed() in Fragments?
...pBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
}
Since now, we will work on our code BaseActivity and its fragments
Create private listener on top of your class BaseActivity
protected OnBackPressedListener onBackPressedListener;
create method to set listener in BaseActivity
pu...