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The surprising truth about what motivates us


I do blogging over 5 years and many people do the same, though some of them do very well and professionally. There are many reasons which motivate people to make a blog such as money and passion. Let’s watch this video first:

It sounds silly, but sometimes I read my old post in my blog and it surprises me: “did I write this?”, so my blog is kind of a diary for me which is not too personal.  By blogging I usually keep track of my thought and the progress of skills development which I think it is necessary to stay motivated. 

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I solved GCHQ puzzle and this is how I did it

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Take the digits 1,2,3 up to 9 in numerical order and put either a plus sign or a minus sign or neither between the digits to make a sum that adds up to 100. 

For example, one way of achieving this is: 1 + 2 + 34 - 5 + 67 - 8 + 9 = 100, which uses six plusses and minuses. What is the fewest number of plusses and minuses you need to do this?

I love to challenge myself with these kind of puzzles, so I solved this and here is how:

We have 9 numbers [1 to 9] and also we have three possible separators [+, - and nothing] which to fill the gap between numbers we have 8 combinations of separators, e.g. we have 1+2+3+4+5+6+7-89 which in this case we have six times plus, one minus and one time nothing.
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Then, hook the possible combinations into numbers and check the total, easy enough. Now print the solution.

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In cammed line, run:
sudo modprobe -r psmouse

It should work fine for now but only for current session, it may not work after restarting your laptop, so to add permanent fix, do:sudo vim /etc/modprobe.d/psmouse.conf

And add following, then save and exit.

options psmouse proto=imps


I used vim, you can use your favourite text editor such as gedit, vi etc. I hope this helps someone and save their time. Read more on modprobe.


Thank you for reading this, as always happy to hear from you.