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What is the scope of variables in JavaScript?
... of the scope chain. In strict mode, these are not permitted.
eval
In eval strings, variables declared using var will be placed in the current scope, or, if eval is used indirectly, as properties on the global object.
Examples
The following will throw a ReferenceError because the namesx, y, and z ha...
Difference between CouchDB and Couchbase
...eople may find unacceptable).
CouchDB is an open-source/free software (no strings attached) project of The Apache Software Foundation and is released under the Apache License, Version 2.0 (DFSG-compatible, FSF-approved, OSI-approved, GPL-compatible, non-copyleft, commercial-friendly).
Philosophy
...
Hash collision in git
...
Picking atoms on 10 Moons
An SHA-1 hash is a 40 hex character string... that's 4 bits per character times 40... 160 bits. Now we know 10 bits is approximately 1000 (1024 to be exact) meaning that there are 1 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 different SHA-1...
What is an application binary interface (ABI)?
...EDIT: Some notes to clarify:
"Binary" in ABI does not exclude the use of strings or text. If you want to link a DLL exporting a C++ class, somewhere in it the methods and type signatures must be encoded. That's where C++ name-mangling comes in.
The reason why you never provided an ABI is that the ...
Use of 'prototype' vs. 'this' in JavaScript?
...ect-oriented language, i.e. most values are objects, including functions. (Strings, numbers, and booleans are not objects.)
So here are the snippets in question:
var A = function () {
this.x = function () {
//do something
};
};
In this case, variable A is assigned a value that i...
LINQ - Full Outer Join
...zed, right now.
See it live on http://ideone.com/O36nWc
static void Main(string[] args)
{
var ax = new[] {
new { id = 1, name = "John" },
new { id = 2, name = "Sue" } };
var bx = new[] {
new { id = 1, surname = "Doe" },
new { id = 3, surname = "Smith" } };...
AngularJS: Understanding design pattern
...PerPage = params.itemsPerPage || itemsPerPage;
searchQuery = params.substring || searchQuery;
}
function findItems(page, queryParams) {
searchQuery = queryParams.substring || searchQuery;
return searchResource.fetch(searchQuery, page, itemsPerPage).then( function (results) {
...
社交应用组件 · App Inventor 2 中文网
... Twitter.
SearchTwitter(query)
This searches Twitter for the given String query.
Requirements: This should only be called after the IsAuthorized event has
been raised, indicating that the user has successfully logged in to Twitter.
StopFollowing(user)
Stops following a user.
...
angular.service vs angular.factory
...th the exception of when a factory simply returns a value like a number or string. In that case, you will always get the same value, but not a reference.)
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passport.js RESTful auth
... client-side once it is discovered. Passing the token as a part of the URL string will add this URL to the browser history and (if things are handled improperly) could lead to this URL being requested by the browser. Either makes the token visible. Anyone who then copied the URL could spoof this use...