Final proof that there is a “bigger half” :)

You know that “bigger half” thing. When you divide a cake and the other guy says, “I want that bigger half”.

And you probably know that mathematicians freak out when they hear that.

But, you know, there is a proof that there is actually a bigger half. If engineer says so, and it works, it must be the true :)

half

Syntax theme and custom name of the first page

I was struggling, recently, with Syntax theme. This is super cool theme if you are focusing on writing. Simple, very plain, no fancy stuff around. Just text.

There is, however, one thing I had to change. In the menu (you can find it on the left side of the page), first page is called “Home”. I wanted to have it titled “Cover” – take a look here – jnicookbook.pl

I had to modify function syntax_page_menu_args inside inc/extras.php to get it working.

I have replaced following line

function syntax_page_menu_args( $args ) {
//  $args['show_home'] = true;
  $args['show_home'] = 'Cover';
  return $args;
}

And now, instead of “Home” I have “Cover”

jni_menu_bar

Cleaning Time Machine’s disk

If you get close to the capacity of Time Machine, you can easily solve that by:

Note! You will work as root! You may destroy things!

shell> su -
shell> cd /Volumes/your_time_machine_disk/Backups.backupdb/machine_name
# to find what you can delete just use command (make sure you get correct result)
shell> find . -maxdepth 1 -type d ! -newermt yyyy-mm-dd
# after you know what will be removed
shell> find . -maxdepth 1 -type d ! -newermt yyyy-mm-dd -exec tmutil delete {} \;

Effective Modern C++ by Scott Meyers

bkt_effective_cpp

Summary: Solid introduction to modern C++

On a day to day basis I work with C++ legacy code. No surprises, just classes and some overloaded operators. Nothing special. I have jumped into Effective Modern C++ as I wanted to know what’s really behind C++11 and C++14. And there’s a lot.

I bet, after reading this book, you will immediately try to drop all your NULLs in favor of nullptr (have you ever tried to overload function that has either pointer or int as argument). I bet you will strongly consider {} based initialization. Aliases and scoped enums are also nice to have features of the langue. And, what really caught me by surprise were auto variables. I am in favor of strong typing, but after reading explanation of autos and how can you benefit from them in context of templates, I think I will change my mind.

The same thing refers to pointers. I am an old school, C based developer, and I always use regular, old style pointers. But I am pretty sure I will take a closer look at std based ones.

Book explains topics in consistent, but demanding way. This is not a C++ primer or cook book style title. It will not give you straight answers related to your code and problems that you might be facing. Instead, it will give you systematic, and pragmatic overview of new features in C++11/C++14. There are lots of references to C++98 that give you explanation for why should you consider moving forward.

If you are new to C++, wait a little bit before reading this one. Take a closer look at Professional C++ by Marc Gregoire instead. Then, get back to this one.

Anyway, if you work with C++ legacy code and you want to get familiar with new stuff that is already out there, I really recommend this one.

O’Reilly (print): Effective Modern C++
Safari Books Online: Effective Modern C++

Teaser № 3

jni_13

Logitech Performance MX – scroll speed (free scroll) inside OS X

If you plug Logitech Performance MX and enable free scroll option, you will notice that by default it is incredibly fast and speedy.

You can alter these settings by:

System Preferences -> Logitech Control Center -> Performance MX -> Configure -> Buttons -> Micro Gear Precision Scroll Wheel

and choosing

scroll_speed

NOTE! If you use free scroll, make sure you stop the wheel (while it is still rotating) before hitting Command + Tab (in case you want to switch application). As long as wheel is rotating you won’t be able to switch to another application.

Logitech Performance MX mouse – buggy tracking at low speed inside OS X

If you have experienced a buggy behavior of the Logitech Performance mouse inside OS X, do following.

1. Install most recent Logitech Device Manager (3.9.1)

2. In the device settings (Logitech Device Manager) set the Tracking Speed Multiplier like this

System Preferences -> Logitech Control Center -> Performance Mouse MX -> Configure -> General

tracking_speed_ldm

3. In Mouse preferences set tracking value like this

System Preferences -> Mouse -> Point & Click -> Tracking

tracking_system

It solved my issue with buggy tracking at low speed.

Torchlight 2 is 80% off at Steam – don’t miss that!!

torchlight_2_logo

Teaser № 2

TeaserNo2

Teaser № 1


JNICB

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