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How can I resize an image using Java?
...ha) {
g.setComposite(AlphaComposite.Src);
}
g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
g.dispose();
return scaledBI;
}
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What is BSON and exactly how is it different from JSON?
...creating indexes on top of values that resides inside the JSON document in raw format. This helps in running efficient analytical queries as NoSQL system were known for having no support for Indexes.
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How to use a variable to specify column name in ggplot
..._col()
}
f("gender")
f("mjr")
x <- "gender"
f(x)
If we'd rather feed raw names to the function we can do:
f2 <- function(column) {
column <- ensym(column)
ggplot(rates.by.groups,
aes(x = name,
y = rate,
fill = !!column,
group = !!...
How to step through Python code to help debug issues?
...llow it: https://github.com/gotcha/ipdb/pull/155
Or alternatively, as in raw pdb 3.2+ you can set some breakpoints from the command line:
ipdb3 -c 'b 12' -c 'b myfunc' ~/test/a.py
although -c c is broken for some reason: https://github.com/gotcha/ipdb/issues/156
python -m module debugging has ...
How do I use method overloading in Python?
...
it's good, but it doesn't work on raw functions, just methods within a class.
– Legit Stack
Mar 1 '19 at 23:42
1
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How do I discover memory usage of my application in Android?
...system to this point.
Going lower-level, you can use the Debug API to get raw kernel-level information about memory usage: android.os.Debug.MemoryInfo
Note starting with 2.0 there is also an API, ActivityManager.getProcessMemoryInfo, to get this information about another process: ActivityManager.g...
Why are joins bad when considering scalability?
...atabase used well. There are a number of scalability-friendly ways to take raw joins and make them much faster:
Join on a surrogate key (autonumer/identity column) rather than a natural key. This means smaller (and therefore faster) comparisons during the join operation
Indexes
Materialized/indexed...
java.net.SocketException: Connection reset
...s like this, I usually sit down with a tool like WireShark and look at the raw data being passed back and forth. You might be surprised where things are being disconnected, and you are only being notified when you try and read.
...
Create instance of generic type in Java?
...()[0] is returning a ParameterizedType. If it is, then you want to get the raw type, and create an instance of that instead.
– crush
Aug 20 '14 at 15:42
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Creating an R dataframe row-by-row
...
I've found this way to create dataframe by raw without matrix.
With automatic column name
df<-data.frame(
t(data.frame(c(1,"a",100),c(2,"b",200),c(3,"c",300)))
,row.names = NULL,stringsAsFactors = FALSE
)
With column name
df<-setNames(
...