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Master-master vs master-slave database architecture?
...piled
1. Master-Slave Replication
Pros
Analytic applications can read from the slave(s) without impacting the master
Backups of the entire database of relatively no impact on the master
Slaves can be taken offline and sync back to the master without any downtime
Cons
In the instance of a f...
Does Python support short-circuiting?
...72]: name
Out[172]: '<Unkown>'
In other words, if the return value from raw_input is true (not an empty string), it is assigned to name (nothing changes); otherwise, the default '<unknown>' is assigned to name.
...
Does Go provide REPL?
...ge name), and could be run like gotry 1+2 and gotry fmt 'Println("hello")' from shell. It is no longer available because not many people actually used it.
I have also seen third party projects for building a REPL for Go, but now I can only find links to two of them: igo and go-repl. How well do the...
Calling pylab.savefig without display in ipython
...t working in the ipython notebook, plt.ioff() is important to stop figures from flickering on and off the screen, as in command-line ipython figures are plotted as soon as you call plt.plot() if interactive mode is on. Turning interactive mode off delays the display of any plots until plt.show(). ...
Maven – Always download sources and javadocs
...
Answer for people from Google
In Eclipse you can automatically download javadoc and sources.
To do that, right click on the project and use
Maven -> Download JavaDoc
Maven -> Download Sources
...
Android: Difference between Parcelable and Serializable?
...e");
// Passing MyObjects instance via intent
Intent mIntent = new Intent(FromActivity.this, ToActivity.class);
mIntent.putExtra("UniqueKey", mObjects);
startActivity(mIntent);
// Getting MyObjects instance
Intent mIntent = getIntent();
MyObjects workorder = (MyObjects) mIntent.getSerializab...
What is the Comonad typeclass in Haskell?
What is the Comonad typeclass in Haskell? As in Comonad from Control.Comonad in the comonad package (explanations of any other packages that provide a Comonad typeclass are also welcome). I've vaguely heard about Comonad, but all I really know about it is that is provides extract :: w a -> a ,...
click() event is calling twice in jquery
...work... by the way after reading understand it prevent any parent handlers from being executed
– Nandlal Ushir
Nov 21 '19 at 10:36
...
Styling Google Maps InfoWindow
...another example, the Info Window Custom example extends the GOverlay class from the Google Maps API and uses this as a base for creating a more flexible info window. It first creates the class:
/* An InfoBox is like an info window, but it displays
* under the marker, opens quicker, and has flexibl...
Installing pip packages to $HOME folder
...nstallations. In Python 2.7 and 3.2, the location on Mac OS X was changed from $HOME/.local to $HOME/Library/Python. This might change in a future release. But, for now, on 2.7 (and 3.2, if hg were supported on Python 3), the above locations will be $HOME/Library/Python/x.y/bin/hg and $HOME/Libra...