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Remove all special characters from a string in R?
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A hex viewer / editor plugin for Notepad++? [closed]
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How to filter array in subdocument with MongoDB [duplicate]
...e 3.2 release, you can use the new $filter aggregation operator to do this more efficiently by only including the list elements you want during a $project:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $project: {
list: {$filter: {
input: ...
JS strings “+” vs concat method [duplicate]
...;
<html>
<body>
<p>The concat() method joins two or more strings</p>
<p id="demo"></p>
<p id="demo1"></p>
<script>
var text1 = 4;
var text2 = "World!";
document.getElementById("demo").innerHTML = text1 + text2;
//Below Line can'...
How to check if a file exists in a folder?
...ns false if the user does not have permission to read the file. So it does more than just checkinf if the file exists in a folder. You might want to use DirectoryInfo.GetFiles() and enumerate the result.
– ogborstad
Feb 10 '15 at 8:50
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Click Event on UIImageView programmatically in ios
...le user interaction and connect a IBAction to the gesture recognizer.
For more info check my answer on this question: How to you make a UIImageView on the storyboard clickable (swift)
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impro...
Difference between window.location.href, window.location.replace and window.location.assign
... @Mitya IMHO assign() is better, calling a function for a side effect is more readable. Also you can easily mock it for testing.
– Mohamed Ramrami
Sep 14 at 15:08
add a comm...
What is the etymology of 'slug'? [closed]
...story winds its path from the beat reporter (assuming these even exist any more?) through to editor through to the "printing presses", this is the name it is referenced by, e.g., "Have you fixed those errors in the 'kate-and-william' story?".
Some systems (such as Django) use the slug as part of th...
Convert a negative number to a positive one in JavaScript
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