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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...al colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each = 2),stringsAsFactors = TRUE)
#Create a custom color scale
library(RColorBrewer)
myColors <- brewer.pal(5,"Set1")
names(myColors) <- levels(dat$grp)
colScale <- sc...
URL: Username with @
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You need to URL encode the @ as %40.
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Pass Nothing from Javascript to VBScript in IE9
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edited Feb 16 '12 at 16:50
answered Feb 16 '12 at 16:37
Pa...
How to redirect output with subprocess in Python?
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20
UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.syst...
How to resize the AVD emulator (in Eclipse)?
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107
From within Eclipse:
Go to Window > Android SDK and AVD Manager > Virtual Devices
Selec...
How to identify whether a file is normal file or directory
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answered Jun 5 '09 at 13:50
PTBNLPTBNL
5,62644 gold badges2525 silver badges3131 bronze badges
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How do I add more members to my ENUM-type column in MySQL?
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140
ALTER TABLE
`table_name`
MODIFY COLUMN
`column_name2` enum(
'existing_value1',
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How do you create an asynchronous method in C#?
...eyword:
private static async Task<DateTime> CountToAsync(int num = 10)
{
for (int i = 0; i < num; i++)
{
await Task.Delay(TimeSpan.FromSeconds(1));
}
return DateTime.Now;
}
If your async method is doing CPU work, you should use Task.Run:
private static async Task<DateTim...
Is it considered bad practice to perform HTTP POST without entity body?
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edited Jul 1 '19 at 11:03
Gerard Bosch
33211 gold badge22 silver badges1616 bronze badges
answered No...
Segmentation fault on large array sizes
...d be fine, assuming your machine has enough memory.
int* array = new int[1000000];
But remember that this will require you to delete[] the array. A better solution would be to use std::vector<int> and resize it to 1000000 elements.
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