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What are free monads?
...gives you a way to "get out" of it.
More generally, if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of add...
How to extract base URL from a string in JavaScript?
... find a relatively easy and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
20...
Changing variable names in Vim
...nvar()
expand("<cword>") gets the word under the cursor. The search string uses % for file-scope, and the \(\W\) patterns look for non-word characters at the boundary of the word to replace, and save them in variables \1 and \2 so as to be re-inserted in the replacement pattern.
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How to get the filename without the extension in Java?
...e, you can use the following:
import org.apache.commons.io.FilenameUtils;
String fileNameWithOutExt = FilenameUtils.removeExtension(fileNameWithExt);
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What's the right OAuth 2.0 flow for a mobile app
...the url parameter.
public void onPageStarted(final WebView webView, final String url,
final Bitmap favicon) {}
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How to append rows to an R data frame
...<- function(n){
df <- data.frame(x = numeric(n), y = character(n), stringsAsFactors = FALSE)
for(i in 1:n){
df$x[i] <- i
df$y[i] <- toString(i)
}
df
}
Here's a similar approach, but one where the data.frame is created as the last step.
# Use preallocated vectors
f4 <...
Create a string of variable length, filled with a repeated character
...as been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution?
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Get the current time in C
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any idea how to do the other way round? string to tm* ?
– Goaler444
Mar 23 '13 at 13:46
6
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How to handle Handler messages when activity/fragment is paused
... 1;
final static class State extends Fragment {
static final String TAG = "State";
/**
* Handler for this activity
*/
public ConcreteTestHandler handler = new ConcreteTestHandler();
@Override
public void onCreate(Bundle savedInstanceSt...
Get value of c# dynamic property via string
I'd like to access the value of a dynamic c# property with a string:
11 Answers
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