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How to set tint for an image view programmatically in android?
...
Better simplified extension function thanks to ADev
fun ImageView.setTint(@ColorRes colorRes: Int) {
ImageViewCompat.setImageTintList(this, ColorStateList.valueOf(ContextCompat.getColor(context, colorRes)))
}
Usage:-
imageView.setTint(R.color.ti...
Scraping html tables into R data frames using the XML package
...ALSE) )
tables <- readHTMLTable(theurl)
tables <- list.clean(tables, fun = is.null, recursive = FALSE)
n.rows <- unlist(lapply(tables, function(t) dim(t)[1]))
the picked table is the longest one on the page
tables[[which.max(n.rows)]]
...
Check if a value exists in pandas dataframe index
...ta, 'value')
True
>>> '1' in getattr(df_data, 'value')
False
So fun :D
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How do I (or can I) SELECT DISTINCT on multiple columns?
...would qualify as "distinct" (though looking identical to the human eye):
(123, NULL)
(123, NULL)
Also passes in a unique index and almost anywhere else, since NULL values do not compare equal according to the SQL standard. See:
Create unique constraint with null columns
OTOH, GROUP BY, DISTIN...
Why doesn't C# support the return of references?
...rn ref x;
else
return ref y;
}
and then call it with
int a = 123;
int b = 456;
ref int c = ref Max(ref a, ref b);
c += 100;
Console.WriteLine(b); // 556!
I know empirically that it is possible to build a version of C# that supports these features because I have done so. Advanced pr...
Add new row to dataframe, at specific row-index, not appended?
...trix(seq(20),nrow=5,ncol=4))
r <- 3
newrow <- seq(4)
insertRow <- function(existingDF, newrow, r) {
existingDF[seq(r+1,nrow(existingDF)+1),] <- existingDF[seq(r,nrow(existingDF)),]
existingDF[r,] <- newrow
existingDF
}
> insertRow(existingDF, newrow, r)
V1 V2 V3 V4
1 1 6...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...nd ("hello ,i am step1");
}
function step2() {
$pid = pcntl_fork ();
if($pid == 0) {
step1();
exit();
}
$context = new ZMQContext ();
// Bind to ipc: endpoint, then start upstream thread
...
How to get URI from an asset File?
...etting the file path from that cache file.
@Throws(IOException::class)
fun getFileFromAssets(context: Context, fileName: String): File = File(context.cacheDir, fileName)
.also {
if (!it.exists()) {
it.outputStream().use { cache ->
...
How do I escape ampersands in XML so they are rendered as entities in HTML?
...DATA tags:
<![CDATA[
This is some text with ampersands & other funny characters. >>
]]>
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Is there an easy way to strike through text in an app widget?
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Here is an extension for all you Kotlin folks
fun TextView.showStrikeThrough(show: Boolean) {
paintFlags =
if (show) paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
else paintFlags and Paint.STRIKE_THRU_TEXT_FLAG.inv()
}
Usage
textView.showStri...