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How to use xargs command in Linux
What is the xargs command? The xargs command constructs and executes commands provided through standard input. It takes input and converts it into command arguments for another command. This functionality is particularly useful in file management and can be combined with commands like rm, cp, mkdir, and others. Using the xargs command When used alone, the xargs command prompts the user to enter a text string and then passes it to the echo command. This example demonstrates the input provided an...
Why you don’t need a programmer
Once or twice a month I get the question from an aspiring entrepreneur that’s been pushing their idea forward in hopes to (very soon) create a company out of what they’ve been working so hard on. They’ve spent countless hours working through all the details of what this new product will do, who they’re going to partner with and what they’re going to charge for it. They may even be on the Lean Startup bandwagon and actually talked with potential custo...
Programmer,Necessary,No need 2012-03-30 07:37:39
Productivity tips for freelance web designers
There are lots of great things about freelance, such as not being tied to a desk, flexible working hours and little, if any, supervision. All freelance web designers probably realize that one of the biggest challenges of their job is the issue of productivity. How to motivate yourself and stay productive every day with no external supervisors telling us to complete a task right now? Here are five practical productivity hacks for all freelance web designers who want to boost their performance. 1....
productivity tips, freelance, web designers, productivity hacks 2015-02-13 01:40:29
Display GIF animation while submitting the web form
Internet appears everywhere in our life. Form as a data gathering component is the must have component in a web app. When the page is submitting data to the server, if it takes a relative long time for the backend server to process the data, then the client users will feel lost while waiting for this if he cannot get any indication about what's happening. They may even reclick the button which will cause the data resubmission. This affects the user experience and also the system performance and ...
Hash Tables in Javascript
IntroductionHash tables are a permutation of associative arrays (i.e. name => value pairs). If you use PHP, then you are very familiar with this type of data structure already since all PHP arrays are associative.The Javascript language implements very loose and somewhat limited support for associative arrays. Any JavaScript array can use other objects as keys, making it a hash, but there exists no formal constructor for initializing them and it is more or less unweildy to work with. A short ...
JavaScript,Hashtable,Implementation,Array 2011-11-26 02:43:40
Peculiarities of cloud infrastructure
MarketsandMarkets claims that the cloud computing market is worth more than $545 bln nowadays. Moreover, by Thales, nearly 60% of worldwide commercial data is stored in the cloud today. Nay, under Exploding Topics, about 90% of large companies across the world use cloud infrastructure. So, the mentioned technology is incredibly popular among business owners worldwide presently. However, not so many company holders, as well as managers, know enough about the specified solutions. That's because mo...
CLOUD INFRASTRUCTURE,DATA STORAGE 2022-12-30 12:00:44
Comparing Floating Point Numbers, 2012 Edition
We’ve finally reached the point in this series that I’ve been waiting for. In this post I am going to share the most crucial piece of floating-point math knowledge that I have. Here it is:[Floating-point] math is hard.You just won’t believe how vastly, hugely, mind-bogglingly hard it is. I mean, you may think it’s difficult to calculate when trains from Chicago and Los Angeles will collide, but that’s just peanuts to floating-point math.Seriously. Each ti...
Floating point number,Comparison,True value 2012-02-23 07:11:03
The magic of go:linkname
When writing Go program, there is frequent need on using time.Sleep() function to pause the logic for some time. And if jumping to the definition of this function, can see below definition: // Sleep pauses the current goroutine for at least the duration d. // A negative or zero duration causes Sleep to return immediately. func Sleep(d Duration) I's strange that there is no function body defined here. What happened? The actual definition of the function body is residing at runtime/time.go&nb...
TRICKS,GO:LINKNAME,GOLANG 2022-04-10 08:39:00
The problem isn’t you. The problem is the problem.
A friendly reminder: The problem isn’t you. The problem is the problem. –Steven Pressfield Some stuff is just hard. We start thinking we messed up. That it’s an issue with us. But it’s not. The work is hard and the problem is hard. You need to solve the problem, not fix yourself. The quote above is from Steven Pressfield’s incredible Do the Work. The audiobook (that’s a store link) is about 90 minutes long, so it fits in a s...
IE ActiveX(â€htmlfileâ€) Transport, Part II
In my last post I discussed using the ActiveX(â€htmlfileâ€) technique to provide a usable streaming transport in Internet Explorer. The solution I provided will work, but since writing the last article I’ve made significant progress in understanding why IE behaves the way it does with respect to the streaming transport. The previous solution amounted to creating an array of messages, pushing messages on that array from the htmlfile iframe, and popping messages off of the array i...
IE,Http,Streaming,htmlfile,Transport,Act 2011-09-05 04:07:02
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