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Unique (non-repeating) random numbers in O(1)?
I'd like to generate unique random numbers between 0 and 1000 that never repeat (i.e. 6 doesn't show up twice), but that doesn't resort to something like an O(N) search of previous values to do it. Is this possible?
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Fluid width with equally spaced DIVs
...*display:inline; zoom:1 fixes inline-block for IE6/7, see here.
font-size: 0; line-height: 0 fixes a minor issue in IE6.
#container {
border: 2px dashed #444;
height: 125px;
text-align: justify;
-ms-text-justify: distribute-all-lines;
text-justify: distribute-all-lines;
/* ju...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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105
You could try using the interactive option for python:
python -i program.py
This will execut...
What does .SD stand for in data.table in R
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206
.SD stands for something like "Subset of Data.table". There's no significance to the initial "....
Transitions with GStreamer Editing Services freezes, but works OK without transitions
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0
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How do I browse an old revision of a Subversion repository through the web view?
...Bert Huijben's comment:
If your repository is hosted using Subversion 1.6.0 or later, you can
use example.com/svnrepository/?p=3 for the same result... This method
/is/ documented. (?r= revision of the file, ?p= operational revision
of the URL). See the subversion 1.6 release notes
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What is the point of Lookup?
... (Type type in lookup["System"])
{
Console.WriteLine("{0}: {1}",
type.FullName, type.Assembly.GetName().Name);
}
}
}
(I'd normally use var for most of these declarations, in normal code.)
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AngularJS ng-if with multiple conditions
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edited Nov 8 '19 at 15:09
Edric
15.5k99 gold badges5656 silver badges7171 bronze badges
answered Nov ...
Difference between objectForKey and valueForKey?
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404
objectForKey: is an NSDictionary method. An NSDictionary is a collection class similar to an NS...
C# loop - break vs. continue
...continue will just skip the current iteration.
For example:
for (int i = 0; i < 10; i++) {
if (i == 0) {
break;
}
DoSomeThingWith(i);
}
The break will cause the loop to exit on the first iteration - DoSomeThingWith will never be executed. This here:
for (int i = 0; i <...