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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...That code is using the re module (regular expressions), it searchs for the string 'url_list_gb_messages="(.*)"' and isolates the content of parentheses in the variable of same name. This is a nice intro: guru99.com/python-regular-expressions-complete-tutorial.html
– MGP
...
Session variables in ASP.NET MVC
...c sealed class SessionSingleton
{
#region Singleton
private const string SESSION_SINGLETON_NAME = "Singleton_502E69E5-668B-E011-951F-00155DF26207";
private SessionSingleton()
{
}
public static SessionSingleton Current
{
get
{
if ( HttpConte...
What ReSharper 4+ live templates for C# do you use? [closed]
...
Check if a string is null or empty.
If you're using .Net 4 you may prefer to use string.IsNullOrWhiteSpace().
Shortcut: sne
Available in: C# 2.0+ where expression is allowed.
string.IsNullOrEmpty($VAR$)
Macro properties:
VAR - suggest...
How do I read / convert an InputStream into a String in Java?
....io.InputStream object, how should you process that object and produce a String ?
59 Answers
...
AJAX POST and Plus Sign ( + ) — How to Encode?
...at have already been decoded.
Example:
In your JS:
// url encode your string
var string = encodeURIComponent('+'); // "%2B"
// send it to your server
window.location = 'http://example.com/?string='+string; // http://example.com/?string=%2B
On your server:
echo $_GET['string']; // "+"
It is...
Two submit buttons in one form
...tly browser behaviour differs; some submit the value attribute, others the string between the tags ... So be careful with this one.
– Jeroen Dierckx
Apr 4 '14 at 14:47
1
...
difference between foldLeft and reduceLeft in Scala
... For example:
List(1,3,5).foldLeft(0) { _ + _ }
List(1,3,5).foldLeft(List[String]()) { (a, b) => b.toString :: a }
The foldLeft will apply the closure with the last folded result (first time using initial value) and the next value.
reduceLeft on the other hand will first combine two values f...
How to use GROUP_CONCAT in a CONCAT in MySQL
.... I always use this separator, because it's impossible to find it inside a string, therefor it's unique.
There is no problem having two A's, you identify only the value. Or you can have one more colum, with the letter, which is even better.
Like this :
SELECT id,GROUP_CONCAT(DISTINCT(name)), GROUP_...
Reset C int array to zero : the fastest way?
...
memset (from <string.h>) is probably the fastest standard way, since it's usually a routine written directly in assembly and optimized by hand.
memset(myarray, 0, sizeof(myarray)); // for automatically-allocated arrays
memset(myarray, ...
Combining two expressions (Expression)
...t;(body, newParameter);
}
[TestMethod]
public void ExpressionText()
{
string text = "test";
Expression<Func<Coco, bool>> expr1 = p => p.Item1.Contains(text);
Expression<Func<Coco, bool>> expr2 = q => q.Item2.Contains(text);
Expression<Func<Coco, ...