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General suggestions for debugging in R
...on and step through the script line by line.
The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions.
As a final comment: depending upon the error, it is also very helpful to set try() or tryCatch() statements around external func...
“Eliminate render-blocking CSS in above-the-fold content”
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+500
A related question has been asked before: What is “above-the-fold content” in Google Pagespeed?
Firstly you have to notice that ...
Bootstrap Alert Auto Close
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For a smooth slideup:
$("#success-alert").fadeTo(2000, 500).slideUp(500, function(){
$("#success-alert").slideUp(500);
});
$(document).ready(function() {
$("#success-alert").hide();
$("#myWish").click(function showAlert() {
$("#success-alert").fadeTo(2...
Calculate the median of a billion numbers
... the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data.
Since network I/O is likely to be the bound, there might be some tricks you can play, at least for the data coming back to the control machine. For example, instead of s...
mongo group query how to keep fields
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answered May 21 '13 at 5:40
MervSMervS
4,38833 gold badges1919 silver badges3333 bronze badges
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No IUserTokenProvider is registered
I recently updated Asp.Net Identity Core of my application form 1.0 to 2.0.
10 Answers
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Real World Example of the Strategy Pattern
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100
What about this:
You have to encrypt a file.
For small files, you can use "in memory" strat...
Simple way to transpose columns and rows in SQL?
... CASE Version:
select name,
sum(case when color = 'Red' then value else 0 end) Red,
sum(case when color = 'Green' then value else 0 end) Green,
sum(case when color = 'Blue' then value else 0 end) Blue
from
(
select color, Paul value, 'Paul' name
from yourTable
union all
select color, ...
Accessing @attribute from SimpleXML
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90
You can get the attributes of an XML element by calling the attributes() function on an XML node...
PostgreSQL: Drop PostgreSQL database through command line [closed]
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gsamaras
64.5k3131 gold badges140140 silver badges240240 bronze badges
answered Aug 16 '11 at 5:11
csanocsano
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