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How to create a static library with g++?
....o file:
g++ -c header.cpp
add this file to a library, creating library if necessary:
ar rvs header.a header.o
use library:
g++ main.cpp header.a
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Emulate ggplot2 default color palette
...this function:
ggplotColours <- function(n = 6, h = c(0, 360) + 15){
if ((diff(h) %% 360) < 1) h[2] <- h[2] - 360/n
hcl(h = (seq(h[1], h[2], length = n)), c = 100, l = 65)
}
Demonstrating this in barplot:
y <- 1:3
barplot(y, col = ggplotColours(n = 3))
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How to determine why visual studio might be skipping projects when building a solution
...ixed Platforms" then back to "Any CPU" that it would build. Looking at a diff of the solution file before and after, it changed from {784BDC39-5783-4128-956E-99EA062FA8FB}.Debug|AnyCPU.ActiveCfg = Debug|AnyCPU to {784BDC39-5783-4128-956E-99EA062FA8FB}.Debug|AnyCPU.ActiveCfg = Debug|Any CPU. The on...
CSS Background Opacity [duplicate]
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Children inherit opacity. It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0...
Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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What is a method group in C#?
...heses, again; overload resolution kicks in and you have unambiguously identified a method call.
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SQL error “ORA-01722: invalid number”
...ice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it.
– bogdan.rusu
Aug 5 '15 at 8:37
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Sorting arrays in NumPy by column
...n array with fields (a structured array).
The "correct" way is quite ugly if you didn't initially define your array with fields...
As a quick example, to sort it and return a copy:
In [1]: import numpy as np
In [2]: a = np.array([[1,2,3],[4,5,6],[0,0,1]])
In [3]: np.sort(a.view('i8,i8,i8'), ord...
Descending order by date filter in AngularJs
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If you wanted a sort button you could replace true with sortDirection. Then in your scope set $scope.sortDirection = true. The click button would look like ng-click="sortDirection = !sortDirection"
– mbo...
Git Checkout warning: unable to unlink files, permission denied
... with the way Git has been installed (on Windows, UAC can generate problem if msysgit is installed in C:\Program or C:\Program Files, see "msysgit - sh.exe - fork: Permission denied - Vista 64 bit" and comment 2 of issue 437)
Note: as illustrated below, a common other cause of the problem is rights...