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Can you use a trailing comma in a JSON object?
... (also known as javascript) which is a programming language like Perl or Ruby or C++ or Java. JSON is a data format like XML or CSV or YAML. They are not the same thing. JSON doesn't exist in EXMA262 but the syntax it's derived from does and it's called the Object literal notation (the ON in JSON).
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How to make a div 100% height of the browser window
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This works by taking the element out of the document flow and cementing its bottom value to the height of its parent. This is not ideal when your content exceeds the height of its parent.
– Ricky Boyce
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Smallest data URI image possible for a transparent image
...g prevent CSS backgrounds (in some browsers).
Shorter (but unstable - 74 bytes)
data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
I would advise using the slightly longer and more stable version as follows:
⇊ Stable ⇊ (but slightly longer - 78 bytes)
data:image/gi...
'is' versus try cast with null check
...ersion is not thread-safe. The value of myObj or myProp could get changed (by another thread) between the is and the cast, causing undesirable behaviour.
– Jeff
Nov 15 '12 at 21:16
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How do I pass a method as a parameter in Python
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I'm confused by your apparent conflation of the word method with function. def method1(spam): is a function definition, not a method definition.
– Michael Dorst
Aug 24 at 23:54
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How to do Base64 encoding in node.js?
...od is very
fast, and will strip the high bit if set.
'utf8' - Multi byte encoded
Unicode characters. Many web pages and other document formats use
UTF-8.
'ucs2' - 2-bytes, little endian encoded Unicode characters. It
can encode only BMP(Basic Multilingual Plane, U+0000 - U+FFFF).
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variable === undefined vs. typeof variable === “undefined”
...erable]]: false, [[Configurable]]: false }.
But it still can be shadowed by a local variable:
(function() {
var undefined = "foo";
var variable = "foo";
if (variable === undefined)
console.log("eh, what?!");
})()
or parameter:
(function(undefined) {
var variable = "foo";
if (va...
The model used to open the store is incompatible with the one used to create the store
...e solve a problem in Xcode 4.6, where I sent to trash all my projects file by mistake :/
– ramirogm
Mar 6 '13 at 20:55
6
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How do I remove a property from a JavaScript object?
...index to stop at. If end is negative it, it specifies the index to stop at by counting back from the end of the array (eg. -1 will omit the final index). If end <= start, the result is an empty array.
let a = [0,1,2,3,4]
let slices = [
a.slice(0,2),
a.slice(2,2),
a.slice(2,3),
a....
Where to put the doxygen comment blocks for an internal library - in H or in CPP files? [closed]
...had a painful reminder of why docs in headers should be avoided - was told by a senior VP to put method comments in the class declaration and found myself actually saving up comment edits for later because hitting those headers triggers a 45 minute build time!
– Andy Dent
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