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Passing Data between View Controllers
...A)
// in ContollerA.m
- (void)viewDidLoad {
[super viewDidLoad];
__unsafe_unretained typeof(self) weakSelf = self;
self.selectedVoucherBlock = ^(NSString *voucher) {
weakSelf->someLabel.text = voucher;
};
}
Go to Controller B
UIStoryboard *storyboard = [UIStoryboard s...
How to check whether dynamically attached event listener exists or not?
... finally?
If you wanted to you could something like the following:
var _addEventListener = EventTarget.prototype.addEventListener;
var _removeEventListener = EventTarget.prototype.removeEventListener;
EventTarget.prototype.events = {};
EventTarget.prototype.addEventListener = function(name, list...
nginx server_name wildcard or catch-all
...
Change listen option to this in your catch-all server block. (Add default_server) this will take all your non-defined connections (on the specified port).
listen 80 default_server;
if you want to push everything to index.php if the file or folder does not exist;
try_files ...
How to fix bower ECMDERR
...n .bowerrc to get rid of the err ETIMEDOUT :
{
"directory": "app/bower_components",
"proxy": "http://PROXYSERVER:PORT",
"https-proxy": "https://PROXYSERVER:PORT",
"strict-ssl": false
}
And this one to get rid of ECMDERR :
git config --global http.proxy http://USER:PASSWORD@PROXYS...
Why can lambdas be better optimized by the compiler than plain functions?
...tantiation (created by the compiler):
template <>
void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) {
for (; begin != end; ++begin)
*begin = f.operator()(*begin);
}
… the compiler knows _some_lambda_type::operator () and can inline calls to it ...
browser sessionStorage. share between tabs?
...ts.
// transfers sessionStorage from one tab to another
var sessionStorage_transfer = function(event) {
if(!event) { event = window.event; } // ie suq
if(!event.newValue) return; // do nothing if no value to work with
if (event.key == 'getSessionStorage') {
// another tab asked f...
Creating an empty Pandas DataFrame, then filling it?
...
Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', ...
Parse JSON in C#
...e recursion.
Properties (in 2.0) should be defined like such :
string _unescapedUrl; // <= private field
[DataMember]
public string unescapedUrl
{
get { return _unescapedUrl; }
set { _unescapedUrl = value; }
}
You have a private field and then you return the value of that field i...
How to reload a clojure file in REPL
...fresh in this context, compiling:(/private/var/folders/ks/d6qbfg2s6l1bcg6ws_6bq4600000gn/T/form-init819543191440017519.clj:1:1)
You could use the fully qualified var name as a workaround for this problem but personally I prefer not having to type that out on each refresh. Another problem with the ...
Java FileReader encoding issue
...
@NobleUplift: the safest bet is StandardCharsets.UTF_8, there's no chance of mistyping there ;-) But yes, if you go with string "UTF8" would be correct (although I seem to remember that it will accept both ways).
– Joachim Sauer
Nov 13 '1...