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Is a Python dictionary an example of a hash table?
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Yes. Internally it is implemented as open hashing based on a primitive polynomial over Z/2 (source).
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What is the difference between a .xib file and a .storyboard?
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Yes, you can still create a Window-based application for iOS 5. If you use the "empty project" template, you will see that a window is created for you in the app delegate. From there you can add XIB files as normal, or a new storyboard.
I'm assuming you mean ...
How does this checkbox recaptcha work and how can I use it?
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Google reCAPTCHA: Introducing the new reCAPTCHA!
This is a JavaScript based CAPTCHA.
Since most spambots do not execute JavaScript and can not identify the correlation between the displayed text and the DOM or required actions they can not click on the checkbox.
Please note that there is no che...
C++ Build Systems - What to use? [closed]
.... For example, we had as-a-part-of-the-build scripts that queried the databases and generated C++ classes to interface between the "layers" (in traditional 3-tier application development). Similarly, we generated server/client source code through IDLs, and embedded version information to permit mu...
Argparse: Required argument 'y' if 'x' is present
...other two dependent options aren't even present in the namespace. Although based on your use-case, if --prox is not present, what happens to the other options is irrelevant.
Need to modify usage message as parser doesn't know full structure
--lport and --rport don't show up in help message
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Java resource as file
...y impossible - for instance, a ClassLoader could generate data on the fly, based on what resource name it's asked for. If you look at the ClassLoader API (which is basically what the classpath mechanism works through) you'll see there isn't anything to do what you want.
If you know you've actually ...
django urls without a trailing slash do not redirect
...mport HttpResponsePermanentRedirect, HttpRequest
from django.core.handlers.base import BaseHandler
from django.middleware.common import CommonMiddleware
from django.conf import settings
class HttpSmartRedirectResponse(HttpResponsePermanentRedirect):
pass
class CommonMiddlewareAppendSlashWith...
What does Google Closure Library offer over jQuery? [closed]
...like jQuery google closure allows traversing dom structure with the string-based queries using a dedicated component of the library.
closure library relies on dot-delimited namespaces more like Java - a very strong organizational feature.
using such namespaces will incur overhead in uncompiled cod...
mongodb/mongoose findMany - find all documents with IDs listed in array
...n line 8.
// this will complement the list with userName and userPhotoUrl based on userId field in each item
augmentUserInfo = function(list, callback){
var userIds = [];
var users = []; // shortcut to find them faster afterwards
for (l in list) { // first buil...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
...xing off the end of the second dimension either.
The byte offset from the base of the array to an element args[row][col] is determined by:
sizeof(int)*(col + 20*row)
Note that if col >= 20, then you will actually index into a subsequent row (or off the end of the entire array).
sizeof(args[0...