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How to use HTML Agility pack
...rseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any parse errors as required
}
else
{
if (htmlDoc.DocumentNode != null)
{
HtmlAgilityPack.HtmlNode bodyNode = htmlDoc.DocumentNode.SelectSingleNode("//body");
if (bodyNode != null)
{
...
What does a colon following a C++ constructor name do? [duplicate]
...
This is an initialization list, and is part of the constructor's implementation.
The constructor's signature is:
MyClass();
This means that the constructor can be called with no parameters. This makes it a default constructor, i.e., one which will be ca...
Android: how do I check if activity is running?
...the same class running? What if you extend MyActivity with MyChildactivity and want to check if the child is active?
– Mister Smith
Sep 2 '13 at 10:27
2
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How to format date in angularjs
I want to format date as mm/dd/yyyy . I tried the following and none of it works for me.
Can anyone help me with this?
15 ...
Jinja2 template variable if None Object set a default value
...ld downvote this, since it's not a good answer to the original question... and yet at the same time, knowing about default is exactly what I needed for my particular case, so... simply not voting. (An edit to this answer might well earn it an upvote, except that I think it's likely hard to apply de...
Why was the arguments.callee.caller property deprecated in JavaScript?
...
Early versions of JavaScript did not allow named function expressions, and because of that we could not make a recursive function expression:
// This snippet will work:
function factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippe...
How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
... Entity Framework environment like I did check out the answer below by Alejandro and the comment by wasatchWizard.
– Mike Devenney
Apr 13 '17 at 17:05
11
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How to format a number as percentage in R?
...scales package, as documented in krlmlr's answer. Use that instead of my hand-rolled solution.
Try something like
percent <- function(x, digits = 2, format = "f", ...) {
paste0(formatC(100 * x, format = format, digits = digits, ...), "%")
}
With usage, e.g.,
x <- c(-1, 0, 0.1, 0.5555...
How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
...
Reading Excel files from C#
...Tables["anyNameHere"].AsEnumerable();
as this lets me use LINQ to search and build structs from the fields.
var query = data.Where(x => x.Field<string>("phoneNumber") != string.Empty).Select(x =>
new MyContact
{
firstName= x....