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Unique (non-repeating) random numbers in O(1)?
...t. (See Fisher-Yates shuffle for a good way to do this.)
Return numbers in order from the shuffled list.
So this doesn't require a search of old values each time, but it still requires O(N) for the initial shuffle. But as Nils pointed out in comments, this is amortised O(1).
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How to join components of a path when you are constructing a URL in Python
...ng for a simple way to join them:
>>> url = 'https://api.foo.com/orders/bartag?spamStatus=awaiting_spam&page=1&pageSize=250'
Doing some looking around:
>>> split = urlparse.urlsplit(url)
>>> split
SplitResult(scheme='https', netloc='api.foo.com', path='/orders/...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
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I think some of those steps are out of order, no? This looks like this would work though if done in the right order. Please edit your answer and I will mark it as accepted.
– aarona
Jul 18 '11 at 5:13
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Java - get pixel array from image
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People noticing a color difference and/or incorrect byte ordering: @Mota's code assumes a BGR ordering. You should check the incoming BufferedImage's type e.g. TYPE_INT_RGB or TYPE_3BYTE_BGR and handle appropriately. This is one of the things that getRGB() does for you, that makes ...
Cross-browser testing: All major browsers on ONE machine
...ptional: Disable unnecessary services via Start > Run > services.msc
Order the rows by column Startup Type, and switch all "Automatic" services to "manual", according to the image. Whenever you want to install a MSI package, run net start msiServer ("Windows Installer"):
Optional: Disable Des...
Definition of a Balanced Tree
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So in order for a tree to be balanced - every node has to be balanced. Beauty - Thanks very much for your help.
– Mark Soric
Nov 4 '11 at 21:03
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How to add a new method to a php object on the fly?
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Using simply __call in order to allow adding new methods at runtime has the major drawback that those methods cannot use the $this instance reference.
Everything work great, till the added methods don't use $this in the code.
class AnObj extends s...
How can I make my custom objects Parcelable?
...a = new String[3];
in.readStringArray(data);
// the order needs to be the same as in writeToParcel() method
this.id = data[0];
this.name = data[1];
this.grade = data[2];
}
@Оverride
public int describeContents(){
...
Google Docs/Drive - number the headings
...choose 1.2.3
You have to reformat your document if you have an old one in order to 'refresh' the numbers, but actually the addon works very well.
I've seen the answer in this forum.
share
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impro...
GPL and LGPL open source licensing restrictions [closed]
...ode for that DLL, as well as the required header files or documentation in order to be able to interface with the rest of the application, should anyone want to heavily modify, or re-write from scratch, that DLL.
– thomasrutter
Feb 12 '13 at 0:45
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