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Why am I getting “Unable to find manifest signing certificate in the certificate store” in my Excel
...r chose another certificate.
To choose another certificate or to recreate one, head over to the Project's properties page, click on Signing tab and either
Click on Select from store
Click on Select from file
Click on Create test certificate
Once either of these is done, you should be able to b...
Combine two or more columns in a dataframe into a new column with a new name
...
As already mentioned in comments by Uwe and UseR, a general solution in the tidyverse format would be to use the command unite:
library(tidyverse)
n = c(2, 3, 5)
s = c("aa", "bb", "cc")
b = c(TRUE, FALSE, TRUE)
df = data.frame(n, s, b)...
UITableView is starting with an offset in iOS 7
...f you load the UIViewController programatically (without using a XIB) this one works like a charm. Set automaticallyAdjustsScrollViewInsets = NO in the view controller.
– KabraBoja
Feb 27 '14 at 16:16
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How to combine paths in Java?
...gly consider using java.nio.file.Path; Path.resolve can be used to combine one path with another, or with a string. The Paths helper class is useful too. For example:
Path path = Paths.get("foo", "bar", "baz.txt");
If you need to cater for pre-Java-7 environments, you can use java.io.File, like t...
Shell script to send email [duplicate]
...fine and is commonly used:
$ echo "hello world" | mail -s "a subject" someone@somewhere.com
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OS detecting makefile
... -o $@
# $^ => $^ (all files after the :) = main.o (here only one file)
# -L../lib => look for libraries in directory ../lib
# -lhello => use shared library hello (libhello.so or hello.dll)
# -o $@ => output file (-o) is $@ (target) = "app.exe" or "app"
To lea...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
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@sindre Someone else asked about that page wandering if there was a framework function instead and got an interesting answer about using DataTable's Compute method: stackoverflow.com/questions/2859111/c-math-calculator/…
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
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As @beerwin mentioned, this doesn't work when scrolling the page. If you need the coordinates based on the page rather than the viewable window, use e.pageX and e.pageY instead.
– Josh
May 15 '12 at 18:3...
In Matplotlib, what does the argument mean in fig.add_subplot(111)?
...ld be best explained by the following picture:
To initialize the above, one would type:
import matplotlib.pyplot as plt
fig = plt.figure()
fig.add_subplot(221) #top left
fig.add_subplot(222) #top right
fig.add_subplot(223) #bottom left
fig.add_subplot(224) #bottom right
plt.show()
...
Type or namespace name does not exist [closed]
...e and explained in prior answer that was posted several months before this one
– gnat
Dec 9 '14 at 9:18
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