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Count cells that contain any text
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In my tests, COUNTA does not count blank cells (i.e. has nothing). So you are incorrect in saying so.
– hazrpg
Aug 5 '15 at 11:24
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Git command to show which specific files are ignored by .gitignore
...called 'exclude'), I find a command line that could help you:
F:\prog\git\test\.git\info>type exclude
# git ls-files --others --exclude-from=.git/info/exclude
# Lines that start with '#' are comments.
# For a project mostly in C, the following would be a good set of
# exclude patterns (uncomment...
Replacing NAs with latest non-NA value
...l the other entries here. For the basic set of features, tidyr::fill is fastest while also not failing the edge cases. The Rcpp entry by @BrandonBertelsen is faster still, but it's inflexible regarding the input's type (he tested edge cases incorrectly due to a misunderstanding of all.equal).
If yo...
How to split a string in Haskell?
...ed Data.Text as T
main = print $ T.splitOn (T.pack " ") (T.pack "this is a test")
or:
{-# LANGUAGE OverloadedStrings #-}
import qualified Data.Text as T
main = print $ T.splitOn " " "this is a test"
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IntelliJ does not show 'Class' when we right click and select 'New'
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If it is your test directory, mark it as the Test Source Root (it will appear in green)
– Arnaud Denoyelle
Sep 17 '13 at 14:25
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Copy a stream to avoid “stream has already been operated upon or closed”
...eline.noneMatch(ReferencePipeline.java:459)
at com.winterbe.java8.Streams5.test7(Streams5.java:38)
at com.winterbe.java8.Streams5.main(Streams5.java:28)
To overcome this limitation we have to to create a new stream chain for every terminal operation we want to execute, e.g. we could create a stream...
Changing all files' extensions in a folder with one command on Windows
... in batch files, this code is working:
FOR /R "C:\Users\jonathan\Desktop\test" %%f IN (*.jpg) DO REN "%%f" *.png
In this example all files with .jpg extensions in the C:\Users\jonathan\Desktop\test directory are changed to *.png.
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Setting “checked” for a checkbox with jQuery
...('checked', false);
Note that this is the approach used by jQuery's unit tests prior to version 1.6 and is preferable to using $('.myCheckbox').removeAttr('checked'); since the latter will, if the box was initially checked, change the behaviour of a call to .reset() on any form that contains it ...
C# List of objects, how do I get the sum of a property
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Here is example code you could run to make such test:
var f = 10000000;
var p = new int[f];
for(int i = 0; i < f; ++i)
{
p[i] = i % 2;
}
var time = DateTime.Now;
p.Sum();
Console.WriteLine(DateTime.Now - time);
int x = 0;
time = DateTime.Now;
foreach(var item in...
Placeholder in IE9
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It works, but it's not the greatest code. At the top $(this) should be assigned to a variable which can be used throughout the code. Calling $ for every expression that uses $(this) is a no-no straight out of "Don't Write jQuery Like This 101".
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