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Size of Matrix OpenCV
... max element one can use
Mat src;
double minVal, maxVal;
minMaxLoc(src, &minVal, &maxVal);
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Count occurrences of a char in a string using Bash
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you can for example remove all other chars and count the whats remains, like:
var="text,text,text,text"
res="${var//[^,]}"
echo "$res"
echo "${#res}"
will print
,,,
3
or
tr -dc ',' <<<"$var" | awk '{ print length; }'
or
tr -dc ',' &l...
Webrick as production server vs. Thin or Unicorn?
...e that has multiple components, and maybe one section is Rails, another is PHP, and rewrites are needed for both (i.e. rewrite old PHP paths to Rails)
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How to implement a ViewPager with different Fragments / Layouts
...blem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
6 Answe...
Test parameterization in xUnit.net similar to NUnit
... the functionality you get out of the box is not as complete.
Here's an example:
[Theory]
[InlineData("Foo")]
[InlineData(9)]
[InlineData(true)]
public void Should_be_assigned_different_values(object value)
{
Assert.NotNull(value);
}
In this example xUnit will run the Should_format_the_curre...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
... With AppKit on OS X you would need to convert to an NSPoint and then call NSStringFromPoint. For example: NSStringFromPoint(NSPointFromCGPoint(point))
– Alex
Aug 22 '12 at 17:56
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Where is SQL Server Management Studio 2012?
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I guess you can't have both SSMS 2008 & 2012 installed at the same time? Re-installing didn't work, so I did the following and it did: 1. Found the SQLManagementStudio_x86_ENU.exe for 2008 and ran it via the command prompt like so: SQLManagementStudio_x86_EN...
Given two directory trees, how can I find out which files differ by content?
If I want find the differences between two directory trees, I usually just execute:
10 Answers
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Using python map and other functional tools
...earn. A fundamental rule in functional programming is that every time you call a function with the same arguments, you ALWAYS get the same output. This avoids a vipers nest of bugs introduced by having global state. As maptest depends on an external definition of bars, this principle is broken.
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Converting Long to Date in Java returns 1970
I have list with long values (for example: 1220227200, 1220832000, 1221436800...) which I downloaded from web service. I must convert it to Dates. Unfortunately this way, for example:
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