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Is there a difference between foreach and map?

...following code:- Here I've simply assigned the result of the return value from the map and forEach methods. var arr = [1, 2, 3, 4, 5]; var ar1 = arr.map(function(val, ind, arr){ console.log("arr[" + ind + "]: " + Math.pow(val,2)); return val; }); console.log(); console.log(ar1); console....
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Flat file databases [closed]

... SQLite was build into 5.0+ by default, but discountinued (!) from PHP 5.4+ on !!! As I write this in July 2012, SQLite will not work on up-to-date systems anymore by default. Official statement here – Sliq Jul 26 '12 at 21:59 ...
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Multiple simultaneous downloads using Wget?

... @Stephen this is to download very large files much faster from websites by using multiple sockets to the server instead of one. This is not mean for scraping a website. – gabeio Feb 4 '15 at 22:10 ...
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How can I check if a command exists in a shell script? [duplicate]

... Check if a program exists from a Bash script specifically advises against using which. – jww Oct 16 '17 at 4:06 ...
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Setting table row height

...; } The white-space: nowrap is important as it prevents your row's cells from breaking across multiple lines. I personnally like to add text-overflow: ellipsis to my th and td elements to make the overflowing text look nicer by adding the trailing fullstops, for example Too long gets dots... ...
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How to auto-reload files in Node.js?

...mple solution. I just used it for a bot that was supposed to update itself from git when told so by a moderator. The problem was that once you're inside the app you can't restart yourself. I can, however, use your method to spawn an instance of the bot and watch a dotfile. The bot then updates itsel...
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How do I request a file but not save it with Wget? [closed]

... Uh, I tried this and it didn't work for me. From what I found out, the ampersand should come after the greater than symbol. – Tiago Espinha Jul 12 '13 at 10:32 ...
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Uses for Optional

...StuartMarks, this is one of the things that just baffles me when I hear it from all the Optional<> experts: "don't store Optional<> in a field". I'm truly trying to understand the point of this recommendation. Consider a DOM tree where a node could have a parent or not. It seems within t...
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Angularjs minify best practice

...Diagnose Problems With Implicit Annotation, code will break when minified. From the Docs: Implicit Annotation Careful: If you plan to minify your code, your service names will get renamed and break your app. You can add an ng-strict-di directive on the same element as ng-app to opt into strict D...
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how to show progress bar(circle) in an activity having a listview before loading the listview with d

... @ShajeelAfzal: Yes. It is a style. You will find it the SDK from any of the ICS APIs. Search for this XML: progress_medium_holo.xml and also copy the relevant images in their respective drawable folders. – Siddharth Lele Mar 24 '13 at 6:01 ...