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Postgis installation: type “geometry” does not exist
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203
I had the same problem, but it was fixed by running following code
CREATE EXTENSION postgis;
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R apply function with multiple parameters
I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs
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What is pseudopolynomial time? How does it differ from polynomial time?
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2 Answers
2
Active
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How do I print the elements of a C++ vector in GDB?
...uce an output similar to:
$1 = std::vector of length 3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more, after installing above, this works well with ...
Ordering by specific field value first
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edited Jan 11 '19 at 20:44
Joey Bass
322 bronze badges
answered Aug 21 '14 at 18:07
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How to manually deprecate members
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273
You can use the Available tag, for example :
@available(*, deprecated)
func myFunc() {
/...
How to create a WPF Window without a border that can be resized via a grip only?
...ze via the grip.
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="640" Height="480"
WindowStyle="None"
AllowsTransparency="True"
ResizeMode="CanResizeWithGrip">
<!-- Content...
Open files in 'rt' and 'wt' modes
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Tadhg McDonald-Jensen
15.1k33 gold badges2424 silver badges4747 bronze badges
answered Apr 14 '14 at 2:36
devnulldevnull
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Can you create nested WITH clauses for Common Table Expressions?
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answered Sep 11 '09 at 22:12
spenderspender
102k2727 gold badges191191 silver badges311311 bronze badges
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Easy way to convert Iterable to Collection
...ra Žižka
34.4k3030 gold badges170170 silver badges242242 bronze badges
answered Jun 20 '11 at 20:05
ColinDColinD
101k2626 gold b...