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If $ G$ is a topological group and $ G_{{e}}$ is the identity component, the it is well known that $ G_{{e}}$ is a normal subgroup of $ G$ and the quotient group $ G/G_{{e}}$ is totally disconnected. What can we say about the subgroup $ H$ (need not be normal) of $ G$ suchRead more

I was in the middle of booking a flight on the TAP website (the step after I put in the passenger details) when my Internet was disconnected. I tried reloading the page, but there was an error, so I tried to do the booking process again, but now the flight cannot be found anymore? TheRead more

I have a Lenovo K6 note running Android 7.0. Recently I tried connecting to my friend’s hotspot but when I connected, my device asked me whether this connection is safe or not, as well as to choose whether to stay connected or disconnect. Furthermore, there was also a checkbox which read Never ask again, andRead more