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How can I concatenate regex literals in JavaScript?
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You can access the flags if you have to with "<regexp>.flags", so theoretically you could combine them as well.
– bnunamak
Jul 14 '17 at 9:13
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How to pass an array within a query string?
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Here's what I figured out:
Submitting multi-value form fields, i.e. submitting arrays through GET/POST vars, can be done several different ways, as a standard is not necessarily spelled out.
Three possible ways to send multi-value fields or arrays would be:
?car...
Where can I get a “useful” C++ binary search algorithm?
...ontainers, something like std::binary_search in the standard library's <algorithm> header, but I need it to return the iterator that points at the result, not a simple boolean telling me if the element exists.
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How to wrap text around an image using HTML/CSS
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you have to float your image container as follows:
HTML
<div id="container">
<div id="floated">...some other random text</div>
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some random text
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</div>
CSS
#container{
width: 400px;
background: yellow;
}
#floated{
float:...
How to add a button to PreferenceScreen
... the layout file res/layout/main.xml. It could look something like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
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How to convert a char array to a string?
...(buffer, buffer+size);, but it's probably better to stick to a std::vector<unsigned char> in that case.
– R. Martinho Fernandes
Mar 27 '14 at 19:21
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Efficient way to insert a number into a sorted array of numbers?
...Script array, and want to insert one more item into the array such the resulting array remains sorted. I could certainly implement a simple quicksort-style insertion function:
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When to use AtomicReference in Java?
...y if the state of the object remains as you last checked:
AtomicReference<Object> cache = new AtomicReference<Object>();
Object cachedValue = new Object();
cache.set(cachedValue);
//... time passes ...
Object cachedValueToUpdate = cache.get();
//... do some work to transform cachedVal...
Select distinct using linq [duplicate]
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.Select(grp => grp.First());
Edit: as getting this IEnumerable<> into a List<> seems to be a mystery to many people, you can simply write:
var result = myList.GroupBy(test => test.id)
.Select(grp => grp.First())
.ToList();
But on...
Why do we use Base64?
... your choice (for example UTF-8) and then afterwards Base64 encode the resulting binary data into a text string that is safe to send encoded as ASCII. The receiver will have to reverse this process to recover the original message. This of course requires that the receiver knows which encodings were ...