SEARCH KEYWORD -- Code standards
A simple example of git bisect command
git bisect is a very powerful command for finding out which commit is a bad commit when bug occurs. The rationale behind this command is that it pin locates the bad commit by divide and conquer. It divides the commit history into two equal parts, then determines whether the bad commit is at the first half or at the other half. This process will continue until the bad commit is located. Here is a really good example created by bradleyboy, this is a simple git repository which demonstr...
GITHUB,GIT,GIT BISECT 2019-07-12 10:31:51
How to harness company’s resource?
As an employee, it is no doubt that we should spare no effort to contribute to your employer since it pays us salary. But at the same time, we should also consider how to utilise the company's resource to enrich ourselves. After all, only if we become more competent and brilliant, the company can benefit more from us, and this will be a definitely win-win situation. In this post, I will illuminate how to take advantage of company's "hardware" and "software" resource. (1) “Ha...
Writing forward-compatible websites
This is a list of best practices for creating websites that do not break when browsers are updated. It's not always possible to follow all of these, but following as many of them as possible will help future-proof your website. This is especially important for intranet applications and other non-public websites where problems are likely to not be noticed during testing by browser vendors.JavaScriptPrefix all global variable access in onfoo attributes with “window.â€When an e...
Web design,Forward compatible,CSS,JavaScript,window 2011-11-23 08:07:35
Gracefully exiting from console programs in Ruby
Imagine you write a CLI program or a Rake task which loops through some data performing some work on it. You run it and then you remembered something. You’d love to kill the process with ctrl-c, but that will raise an exception somewhere in the loop. What you want is for the iteration to complete and then you want the program to quit. You could handle the Interrupt exception or add some conditions. But how about a cleaner and reusable way? No problem - you can trap signals, which...
Ruby,Exit,Command window,Console,Graceful 2012-03-14 13:42:16
Google open sources Leak Finder for JavaScript
Google recently open sourced a tools for finding memory leaks in JavaScript programs. In JavaScript you cannot have "memory leaks" in the traditional sense, but you can have objects which are unintentionally kept alive and which in turn keep alive other objects, e.g., large parts of DOM. Leak Finder for JavaScript works against the Developer tools remote inspecting protocol of Chrome, retrieves heap snapshots, and detects objects which are "memory leaks" according to a given leak definition. The...
Google,Open source,JavaScript 2012-08-15 13:45:34
10 design principles of Google data center
Google's data center supports the world's largest search engine, smart phone application platform and cloud computing services. The data center is Google's core engine and competitiveness. Over the years, Google also plays the role of the founder and innovator of large-scale web service data center technology. Its data center infrastructure design is also at the forefront of the industry, including renewable energy use, low-power refrigeration, new energy utilization as well as data center room ...
Google,Data center,Design principle 2013-03-11 19:09:25
Will nil == nil be true in GoLang
There is some interview question may ask whether nil == nil be true in GoLang. Wil it be true. false or compilation error? To know the answer, some knowledge about nil in GoLang needs to be explained first. nil definition According to Go's official documentation, the definition of nil is // nil is a predeclared identifier representing the zero value for a // pointer, channel, func, interface, map, or slice type. var nil Type // Type must be a pointer, channel, func, interface, map, or slice type...
GOLANG,NIL,NIL EXPLANATION 2021-08-08 02:54:15
The hidden risk of passing slice as function parameter
In Go's source code or other open source libraries, there are lots of cases where a slice pointer is passed to function instead of slice itself. This brings up a doubt why not passing slice directly as its internal is backed by an array pointer to point to underlying data? For example, in log package, the formatHeader function takes a parameter buf as type *[]byte instead of []byte. func (l *Logger) formatHeader(buf *[]byte, t time.Time, file string, line int) {} Let's understand the r...
GOLANG,SLICE,SLICE POINTER 2020-12-13 06:11:14
Rebirth of Microsoft?
Only from the point of view of design and products, Microsoft may seem like an ongoing decline of the old giant: IE browser market share continues to drop, PC market continues to shrink where Windows depends on and tablet PC market gets rapid expansion, Windows Mobile, Windows phone perform not so well, even CEO Steve Ballmer is often ridiculed and accused. All these seem to indicate that Microsoft's golden era is over. But on the other hand, while its net profit for the past two years has ...
Let 's write some front end codes
I've seen a lot of arguments that there is no much technical value writing web portal, I think that the vast majority of good programmers will try many different things. The low level development and machine learning are not the only technologies which are full of wisdom and challenges, I wrote web site for a few years, it is difficult to say that this is my initial interest, although I touched on other technologies as well, I still feel building website is challenging. Front end developme...
Front end development, JavaScript,CSS 2013-01-22 04:00:24
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