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Do I need to heartbeat to keep a TCP connection open?
...lives is o keep the connection open through nat gateways. While TCP itself doesn't need keepalives to operate, it's common for nat gateways to "drop" a tcp connection after a given timeout.
– nos
Nov 30 '09 at 23:48
...
How do I pronounce “=>” as used in lambda expressions in .Net
...For example,
Func f = x => x * 2;
Func test = c => c.City == "London";
reads as "x becomes x * 2" and "c for which c.City equals London"
As far as 'goes to' - that's never made sense to me. 'p' isn't going anywhere.
In the case of reading code to someone, say, over the phone, then as ...
How do I put a border around an Android textview?
...kground="@drawable/my_border" />
More help:
Shape Drawable (Android docs)
Android Developer Tips & Tricks: XML Drawables (Part I)
Using a 9-patch
A 9-patch is a stretchable background image. If you make an image with a border then it will give your TextView a border. All you need to d...
How do I sort a vector of pairs based on the second element of the pair?
...ed p;
return p(left.second, right.second);
}
};
then you can do this too:
std::sort(v.begin(), v.end(), sort_pair_second<int, int>());
or even
std::sort(v.begin(), v.end(), sort_pair_second<int, int, std::greater<int> >());
Though to be honest, this is all a bit...
Key existence check in HashMap
...
Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value != null) {
...
} else {
// No such key
}
Otherwise, you could just check for existence if you get a null value returned:
...
Token Authentication vs. Cookies
...t the app's state, but stored in the server. In this scenario at no moment does the client hold state, which is not how Ember.js works.
In Ember.js things are different. Ember.js makes the programmer's job easier because it holds indeed the state for you, in the client, knowing at every moment about...
Getting only response header from HTTP POST using curl
...ation: header and a 3XX response
code), this option will make curl redo the request on the new place. If used together with -i/--include or -I/--head, headers from all requested
pages will be shown. When authentication is used, curl only sends its credentials to the initial host. I...
Exclude .svn directories from grep [duplicate]
...
On the Windows version of GNU Grep, I had to use --exclude-dir=\.svn
– Rocket Hazmat
Sep 28 '10 at 16:00
18
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Why is good UI design so hard for some Developers? [closed]
... softer aspects of UI design ( myself especially ). Are "back-end coders" doomed to only design business logic and data layers? Is there something we can do to retrain our brain to be more effective at designing pleasing and useful presentation layers?
...
HTTPURLConnection Doesn't Follow Redirect from HTTP to HTTPS
I can't understand why Java's HttpURLConnection does not follow an HTTP redirect from an HTTP to an HTTPS URL. I use the following code to get the page at https://httpstat.us/ :
...