Assuming the Samsung charger is a micro USB, yes you can use the Samsung charger for the HTC One.
Yes we can charge it
It should function the same way even when plugged in. Does your charger not charge strong enough? If it's a third-party charger (not one that came with your Samsung), then it might not provide enough power for you to use the phone and charge at the same time.
Htc one x
No, it definitely does not charge without a charger.In fact, it runs out of battery without one- like all phones.
In terms of performance ans specs, the Samsung S5 is better than the HTC One max.
One can find a charger and accessories for a Samsung Galaxy tablet form many retailers. These include "Amazon", "Mobile Nations" and directly from Samsung.
The HTC Evo 3D smartphone uses a "micro-USB" plug which can be purchased at any electronics store, to be plugged into a wall charger, or a car cigarette lighter adapter, or by USB to your PC or laptop. ask around; your friends almost certainly have a spare one. Or buy two; they are inexpensive.
You should get whichever phone has the items on it that you need. This might be the HTC one or the Samsung Galaxy Nexus. Whatever it is, you can choose based on your overall desires and needs.
you can not charge it without a charger it will die out without one
A universal battery chargers main use is to charge objects that are not of the same brand or format. For example, one could purchase a universal battery charger to charge both an iPhone and a Samsung Galaxy S4. The chargers have different parts to attach, such as a female or male lead.
There is no only one way to charge it and that is with a battery charger. A 15 amp battery charger will charge it about as fast as it needs to be charged.
The HTC One S and the Samsung Galaxy Nexus have the same amount of pros and cons. This makes the choice personal preference, try each phone and see which one handles the best for what you want to do.