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O(nlogn) Algorithm - Find three evenly spaced ones within binary string
I had this question on an Algorithms test yesterday, and I can't figure out the answer. It is driving me absolutely crazy, because it was worth about 40 points. I figure that most of the class didn't solve it correctly, because I haven't come up with a solution in the past 24 hours.
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Remove all the elements that occur in one list from another
...the answers mentioned here. As expected, Arkku's set based operation is fastest.
Arkku's Set Difference - First (0.124 usec per loop)
mquadri$ python -m timeit -s "l1 = set([1,2,6,8]); l2 = set([2,3,5,8]);" "l1 - l2"
10000000 loops, best of 3: 0.124 usec per loop
Daniel Pryden's List Comprehensi...
How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
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Just transform this: new { data_test="true"}) -> new Dictionary<string, object> { { "data-test", "true" } });
– Dominique Alexandre
Apr 23 '15 at 14:47
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“Single-page” JS websites and SEO
...nd in these two blog posts:
http://lostechies.com/derickbailey/2011/09/06/test-driving-backbone-views-with-jquery-templates-the-jasmine-gem-and-jasmine-jquery/
and
http://lostechies.com/derickbailey/2011/06/22/rendering-a-rails-partial-as-a-jquery-template/
The gist of it is that I use ERB or HA...
What is the worst real-world macros/pre-processor abuse you've ever come across?
...piler found an error in our code. This might also reduce the occurrence of testing by compilation.
– MikeyB
Jun 25 '09 at 19:52
5
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How to read a local text file?
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try to put file:///User/Danny/Desktop/javascriptWork/testing.txt in your browser's url bar and see if you can see the file..
– Majid Laissi
Jan 21 '13 at 21:52
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How to read an external local JSON file in JavaScript?
... rawFile.send(null);
}
//usage:
readTextFile("/Users/Documents/workspace/test.json", function(text){
var data = JSON.parse(text);
console.log(data);
});
This function works also for loading a .html or .txt files, by overriding the mime type parameter to "text/html", "text/plain" etc.
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Jquery change background color
...eady(function() {
$("button").mouseover(function() {
var p = $("p#44.test").css("background-color", "yellow");
p.hide(1500).show(1500);
p.queue(function() {
p.css("background-color", "red");
});
});
});
The .queue() function waits for running animations to run out and the...
Spring MVC: Complex object as GET @RequestParam
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data class SearchDTO(var id: Array<Long> = arrayOf())
the Spring (tested in Boot) returns the following error for request mentioned in answer:
"Failed to convert value of type 'java.lang.String[]' to required type
'java.lang.Long[]'; nested exception is
java.lang.NumberFormatExcepti...
How to read and write excel file
...eption
{
InputStream ExcelFileToRead = new FileInputStream("C:/Test.xlsx");
XSSFWorkbook wb = new XSSFWorkbook(ExcelFileToRead);
XSSFWorkbook test = new XSSFWorkbook();
XSSFSheet sheet = wb.getSheetAt(0);
XSSFRow row;
XSSFCell cell;
I...