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The best way to remove duplicate values from NSMutableArray in Objective-C?
...?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
NSArray *arrayWithoutDuplicates = [orderedSet array];
If you are worri...
Check if a dialog is displayed with Espresso
...f a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , not by the application it self.
...
Referencing another schema in Mongoose
...ake your query, you can populate references like this:
Post.findOne({_id: 123})
.populate('postedBy')
.exec(function(err, post) {
// do stuff with post
});
share
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improve this answer
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...
The problem is still your pg_hba.conf file (/etc/postgresql/9.1/main/pg_hba.conf*).
This line:
local all postgres peer
Should be:
local all postgres md5
* If you can't find thi...
What's the correct way to sort Python `import x` and `from x import y` statements?
...ice what you use.
According to few references from reputable sites and repositories also popularity, Alphabetical ordering is the way.
for eg like this:
import httplib
import logging
import random
import StringIO
import time
import unittest
from nova.api import openstack
from nova.auth import use...
GPU Emulator for CUDA programming without the hardware [closed]
...
For those who are seeking the answer in 2016 (and even 2017) ...
Disclaimer
I've failed to emulate GPU after all.
It might be possible to use gpuocelot if you satisfy its list of
dependencies.
I've tried to get an emulator f...
Ruby combining an array into one string
...
what if you were joining digits? [1,2,3] => 123?
– stevenspiel
Dec 9 '13 at 19:08
3
...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... passing it to the filter.
Another benchmark with more columns:
set.seed(123)
x <- sample(1e5,1e5*26, replace = TRUE)
x[sample(seq_along(x), 1e3)] <- NA
df <- as.data.frame(matrix(x, ncol = 26))
library(microbenchmark)
microbenchmark(
na.omit = {df %>% na.omit},
filter.anonymous = ...
Worth switching to zsh for casual use? [closed]
The default shell in Mac OS X is bash , which I'm generally happy to be using. I just take it for granted. It would be really nice if it auto-completed more stuff , though, and I've heard good things about zsh in this regard. But I don't really have the inclination to spend hours fiddling with s...
iOS 5 Best Practice (Release/retain?)
...rammer, what is the best practice for writing apps to be used either with iOS 5 or older versions? Specifically, should I continue using the release/retain of data, or should I ignore that? Does it matter?
...