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How do I install Python OpenCV through Conda?
...to import cv2.cv (am I missing something obvious?)
– Andy Hayden
Aug 13 '15 at 5:03
2
This works ...
Can PostgreSQL index array columns?
...
Yes you can index an array, but you have to use the array operators and the GIN-index type.
Example:
CREATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Col...
CMake output/build directory
I'm pretty new to CMake, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake.
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What are the main purposes of using std::forward and which problems it solves?
...arding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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What's the difference if I put css file inside or ?
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Just to add on to what jdelStrother has mentioned about w3 specs and ARTstudio about browser rendering.
It is recommended because when you have the CSS declared before <body> starts, your styles has actually loaded already. So very quickly users see something appear on their screen (...
range() for floats
...mp):
while x < y:
yield float(x)
x += decimal.Decimal(jump)
And then:
>>> list(drange(0, 100, '0.1'))[-1]
99.9
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How do you perform a left outer join using linq extension methods
... tableB = new List<int?> { 3, 4, 5 };
// Result using both Option 1 and 2. Option 1 would be a better choice
// if we didn't expect multiple matches in tableB.
{ A = 1, B = null }
{ A = 2, B = null }
{ A = 3, B = 3 }
List<int> tableA = new List<int> { 1, 2, 3 };
List<int?&g...
What's the difference between => , ()=>, and Unit=>
I'm trying to represent a function that takes no arguments and returns no value (I'm simulating the setTimeout function in JavaScript, if you must know.)
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Java Persistence / JPA: @Column vs @Basic
What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
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CSS: How do I auto-resize an image to fit a 'div' container?
...ight: 100%;
}
.portrait {
height: 80px;
width: 30px;
}
.landscape {
height: 30px;
width: 80px;
}
.square {
height: 75px;
width: 75px;
}
Portrait Div
<div class="portrait">
<img src="http://i.stack.imgur.com/xkF9Q.jpg">
</div>
La...