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Specifying colClasses in the read.csv
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I know OP asked about the utils::read.csv function, but let me provide an answer for these that come here searching how to do it using readr::read_csv from the tidyverse.
read_csv ("test.csv", col_names=FALSE, col_types = cols (.default = "c", time = "i"))
This should set the default type...
How can I determine if a String is non-null and not only whitespace in Groovy?
...swered Feb 7 '12 at 0:16
doelleridoelleri
16.7k55 gold badges5454 silver badges5959 bronze badges
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What does iterator->second mean?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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How to define @Value as optional
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According to intelliJ idea. It's not a best practice to use Optional types in class fields.
– Fırat KÜÇÜK
Aug 30 '18 at 12:31
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.NET Process.Start default directory?
I'm firing off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
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Why does Java's hashCode() in String use 31 as a multiplier?
...sort of optimization automatically.
(from Chapter 3, Item 9: Always override hashcode when you override equals, page 48)
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Mercurial .hgignore for Visual Studio 2010 projects
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@David: That's for Windows thumbnail cache files "thumbs.db" read more about it here: en.wikipedia.org/wiki/Windows_thumbnail_cache
– Shady M. Najib
Apr 13 '11 at 19:34
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Target elements with multiple classes, within one rule
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Thanks! I didn't know if this was possible, so I was asking here to find out.
– Tanner Ottinger
Mar 4 '11 at 16:41
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Duplicate headers received from server
...on commas to remove them and you should be fine. My function to make a valid filename is below.
public static string MakeValidFileName(string name)
{
string invalidChars = Regex.Escape(new string(System.IO.Path.GetInvalidFileNameChars()));
string invalidReStr = string.Forma...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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https://developer.android.com/guide/topics/location/strategies.html#Permission
Note: If you are using both NETWORK_PROVIDER and GPS_PROVIDER, then you need to request only the ACCESS_FINE_LOCATION permission, because it includes permission for ...