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How to get 30 days prior to current date?

... Get next 30 days from today let now = new Date() console.log('Today: ' + now.toUTCString()) let next30days = new Date(now.setDate(now.getDate() + 30)) console.log('Next 30th day: ' + next30days.toUTCString()) Get last 30 days form today let n...
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Studies on optimal code width?

...nswer the OP's question, one "study" has been going on for about 600 years now - the printed book. These have evolved over the centuries, with readbility foremost in mind, to the position we are at now where the average line length for text is around 60 characters. So for readability, go for narrowe...
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Function pointers, Closures, and Lambda

I am just now learning about function pointers and, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this compari...
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Where can I find Android source code online? [closed]

...up android. Some of the projects (such as Kernel) have been removed and it now only points you to clonable git repositories. To get all the code locally, you can use the repo helper program, or you can just clone individual repositories. And others: Downloading the Source Tree ...
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How to link Docker services across hosts?

...m is not very intuitive), so this is something to keep in mind. Swarm is now in beta phase. Until recently, the Ambassador Pattern was the only Docker-native approach to remote-host service discovery. This pattern can still be used and doesn't require any magic beyond plain Docker in that the ...
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Are PHP Variables passed by value or by reference?

... $str would be assigned null, in your case. – The Unknown Dev Jan 22 '15 at 19:31 if you do it this way @ObmerkKronen ...
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How to use arguments from previous command?

I know that Esc + . gives you the last argument of the last command. 11 Answers 11...
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Why are Oracle table/column/index names limited to 30 characters?

...understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys. ...
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in

... variable. When I run this code the output will be 10 and 10. Its simple. Now let's look at the static variable here; I am declaring the variable as a static. Example with static variable: public class Variable { public static int i = 5; public void test() { i = i + 5; ...
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jQuery - setting the selected value of a select control via its text description

... Note that jQuery 1.4 has now changed this behavior to select by value if the attribute has been specified, and only select by text if the value attribute is missing. So in this example $('select').val('Two') will select the second option in 1.3.x, bu...