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Emulate mobile devices directly through DevTools, simulating touch events, mimicking screen size, and spoofing user agent. Plug in a mobile device over USB and use Chrome DevTools on the actual mobile browser. Push your local site to the mobile device with port forwarding.

I do a lot of work on open source, but my most valuable contributions haven't been code. Writing a patch is the easiest part of open source. The truly hard stuff is all of the rest: bug trackers, mailing lists, documentation, and other management tasks. Here's some things I've learned along the way...

The first metric I was wondering about is the distribution of gems in Gemfiles. How many gems does a common Ruby developer use in their projects? The numbers are somewhat expected: the average number of gems per Gemfile is 113.08 with the standard deviation of 52.19.... The next question I had was how many of those gems contain at least one vulnerability? The numbers are staggering! 1,333 Gemfiles, or 66% of the total, are affected! I definitely didn't expect that two thirds of all projects would contain at least one publicly known vulnerability.

celkom zmysluplne best practices pri pouzivani gitu, najma je to strucne a zrozumitelne.

je to zoznam "odporucani do zivota" (patterns) pre vyvojarov ktory sa chcu zlepsovat. je to povodne urcene najma pre zacinajucich programatorov, ale pride mi to nadcasove a je tasm vela napadov a odporucani na celu "programatorsku" karieru. odporucam kazdemu kto programuje, knizka ma dobru granularitu a cita sa lahko.

dovody preco je to tak su dost trefne.

priamo od tvorcu Rails "... I rarely unit test in the traditional sense of the word, where all dependencies are mocked out..."

Vyborne tipy, nielen z hladiska review, napr. body 1 a 4.

SymbolHound is a search engine that doesn't ignore special characters. This means you can easily search for symbols like &, %, and π. We hope SymbolHound will help programmers find information about their chosen languages and frameworks more easily. Example searches: === javascript scala => lisp #' ruby $$

kazdy mesiac tam odporucia knizku a potom o nej diskutuju. vhodne pre tych ktori zaroven robia vyvoj, testovanie a deployment (tzv. "devops", http://en.wikipedia.org/wiki/DevOps).

Linux servers displayed a notable tendency to misbehave during the leap second event at the end of the day on June 30. The problem often presented itself as abrupt and sustained load spikes on the affected machines....a look at what happened shines an interesting light on the trickiness of dealing with time in software systems.

I've never met a developer who complained about code getting faster or taking up less RAM. In Ruby, memory is especially important, yet few developers know the ins-and-outs of why their memory use goes up or down as their code executes.

5-dielny clanok o Message Oriented Middleware (MOM), o messaging patternoch a moznostiach, ktore ponuka ActiveMQ + Stomp (ruby client)

Pomocka pri pisani rychlejsieho Ruby kodu. V ramci moznosti... :o)

pekny zoznam uzitocnych gemov aj so strucnym popisom - vela veci urobil uz niekto pred nami, a tak netreba znovu vynachadzat koleso

vylepseny ActiveMQ s "radically different threading architecture which lets it scale to large number of concurrent connections and destinations while using a constant number of threads"

commity Kernighana, Ritchieho, Bournea .. The goal of this project is to create a git repository representing the Unix source code history, starting from the 1970s and ending in the modern time. To fulfill this goal the project brings data from early snapshots, repositories, and primary research. The project aims to put in the repository as much metadata as possible, allowing the automated analysis of Unix history. The following table illustrates the type of material that can be gathered and integrated into the repository.