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Set operations (union, intersection) on Swift array?
... For example, N=100,000 and want to make sets like {1,2,3}, {5, 88, 19000} etc.
The idea is to keep the list of N prime numbers in memory and for a given set {a, b, c, ...} you encode it as
prime[a]*prime[b]*prime[c]*...
So you encode a set as a BigNumber. The operations with BigNumbers, despi...
Response.Redirect with POST instead of Get?
...ostData.Append("last_name=" + HttpUtility.UrlEncode(txtLastName.Text));
//ETC for all Form Elements
// Now to Send Data.
StreamWriter writer = null;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";...
Ignore .pyc files in git repository
...e directory, it is enough to put it in a parent directory (or grandparent, etc).
– Godsmith
Jun 2 '15 at 8:21
@Godsmit...
Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
... NSLog(@"Popping back to this view controller!");
// reset UI elements etc here
}
Then, on Storyboard scene for the second view controller, Ctrl-drag from a UI element, such as a button, to the exit icon at the bottom of this view controller. The done: action you added to the code of the first...
How To: Best way to draw table in console app (C#)
...ap, colors, columns growing based on content or percentage, text alignment etc.
† CsConsoleFormat was developed by me.
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
...l Studio/Express 2010 only. See other (easier) answers for VS2012, VS2013, etc
To find the missing file(s), use info from the article Enable C++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild:
Open the devenv.exe.config file (fo...
Android onCreate or onStartCommand for starting service
... this method that you need to do only once (ie: initialize some variables, etc.). onCreate() will only ever be called once per instantiated object.
You only need to implement onCreate() if you actually want/need to initialize something only once.
onStartCommand() is called every time a client star...
What are Flask Blueprints, exactly?
... blueprints for the static pages (i.e. signed-out home, register,
about, etc.), the dashboard (i.e. the news feed), profiles
(/robert/about and /robert/photos), settings (/settings/security and
/settings/privacy) and many more. These components all share a general
layout and styles, but each...
How do I force Postgres to use a particular index?
...what qualifies for a small table? Is it something like 5000 rows, or 50000 etc?
– waffl
Jul 22 '14 at 8:46
1
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How do Third-Party “tracking cookies” work?
....com/img.jpg">, then the browser will send the cookie foo=bar when it fetches http://example.com/img.jpg, even though http://example2.com is responsible for the request being sent.
So, if website A contains an ad that is served by website B, then website B can set a cookie in your browser. For ...