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Replace a value if null or undefined in JavaScript
...t simply retrieve a property based on an index, since there is no specific order of their properties. The only way to retrieve their values is by using the specific name:
var someVar = options.filters.firstName; //Returns 'abc'
Or by iterating over them using the for ... in loop:
for(var p in op...
Returning a C string from a function
...t's so fundamental to C & C++, but little more discussion should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour of string. There are other kinds of strings,...
How to specify font attributes for all elements on an html web page?
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In order to use this reset.css, do I just link the stylesheet into my page or do I have to tweak it? I basically need to have the same font family and size across all major browsers. Does the reset.css help me do that by default...
How to increment a NSNumber
...etter. They're more concise, and don't require additional variables.
In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumber.
For instance, for an NSNumber holding an integer:
NSNumber *number = [NSNumber numberWithInt:...];
int v...
Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
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Pandas count(distinct) equivalent
... as two column YEARMONTH and count. Also can i set the count in descending order?
– Murtaza Haji
Apr 30 at 1:22
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XML parsing of a variable string in JavaScript
...the document.implementation.createDocument() method. When using Chrome, in order to load an XML file into a XmlDocument object, you need to use the inbuilt XmlHttp object and then load the file by passing it's URI.
In your case, the scenario is different, because you want to load the XML from a str...
Value Change Listener to JTextField
...explicitly through a call within each of insertUpdate and removeUpdate, in order to get it work ..
– user6039980
Dec 1 '17 at 14:12
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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
...ffer as part of v8, but the Buffer class provides a more flexible API. In order to read or write to an ArrayBuffer, you only need to create a view and copy across.
From Buffer to ArrayBuffer:
function toArrayBuffer(buf) {
var ab = new ArrayBuffer(buf.length);
var view = new Uint8Array(ab)...
How to create and use resources in .NET
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