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How to upgrade PowerShell version from 2.0 to 3.0
...is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
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What is the JavaScript version of sleep()?
...;
}
async function demo() {
console.log('Taking a break...');
await sleep(2000);
console.log('Two seconds later, showing sleep in a loop...');
// Sleep in loop
for (let i = 0; i < 5; i++) {
if (i === 3)
await sleep(2000);
console.log(i);
}
}
demo();
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Multiple glibc libraries on a single host
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It is very possible to have multiple versions of glibc on the same system (we do that every day).
However, you need to know that glibc consists of many pieces (200+ shared libraries) which all must match. One of the pieces i...
Understanding prototypal inheritance in JavaScript
...functions is constructor and then prototype. So for your lookup of Drive() it finds it regardless if it is in the constructor or in the prototype. Using the prototype is more efficient because usually you need a function only once per type.
The new call in javascript automatically sets the construc...
Should services always return DTOs, or can they also return domain models?
I'm (re)designing large-scale application, we use multi-layer architecture based on DDD.
9 Answers
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Integrating MySQL with Python in Windows
I am finding it difficult to use MySQL with Python in my windows system.
16 Answers
16...
I keep getting “Uncaught SyntaxError: Unexpected token o”
I'm trying to learn some html/css/javascript, so I'm writing myself a teaching project.
9 Answers
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CruiseControl [.Net] vs TeamCity for continuous integration?
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I have worked on and with Continuous Integration tools since the one that spawned Cruise Control (java version). I've tried almost all of them at some point. I've never been happier than I am with TeamCity. It is very simple to set up and still pr...
Show or hide element in React
I am messing around with React.js for the first time and cannot find a way to show or hide something on a page via click event. I am not loading any other library to the page, so I am looking for some native way using the React library. This is what I have so far. I would like to show the results...
What is a NullReferenceException, and how do I fix it?
I have some code and when it executes, it throws a NullReferenceException , saying:
28 Answers
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