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How does the SQL injection from the “Bobby Tables” XKCD comic work?
... 'Derper')
The ' in the student's name is not a comment, it's the closing string delimiter. Since the student's name is a string, it's needed syntactically to complete the hypothetical query. Injection attacks only work when the SQL query they inject results in valid SQL.
Edited again as per dan...
How do I find out with jQuery if an element is being animated?
...: auto" in the callback, simply use .css('overflow', ''). Passing an empty string generally removes that property from the element's style altogether. Not sure if this is documented behavior, but it's a very useful trick.
– Ward D.S.
Apr 29 '16 at 8:38
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How to get the type of T from a member of a generic class or method?
...;(this IEnumerable<T> _)
{
return typeof(T);
}
Usage:
List<string> list = new List<string> { "a", "b", "c" };
IEnumerable<string> strings = list;
IEnumerable<object> objects = list;
Type listType = list.GetListType(); // string
Type string...
How to compare type of an object in Python?
...
isinstance()
In your case, isinstance("this is a string", str) will return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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impro...
Is storing a delimited list in a database column really that bad?
...t fetching the whole list.
Can't store a list longer than what fits in the string column.
Hard to search for all entities with a given value in the list; you have to use an inefficient table-scan. May have to resort to regular expressions, for example in MySQL:
idlist REGEXP '[[:<:]]2[[:>:]]'*...
How to drop SQL default constraint without knowing its name?
...ver, I know the query to check if a default constraint exists for a column and drop a default constraint is:
14 Answers
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How to change language of app when user selects language?
...om list of languages. Have a method like below which accepts the locale as String (like 'en' for English, 'hi' for hindi), configure the locale for your App and refresh your current activity to reflect the change in language. The locale you applied will not be changed until you manually change it ag...
When would you use a List instead of a Dictionary?
...que in dictionary.
Consider this examples:
List<KeyValuePair<int, string>> pairs = new List<KeyValuePair<int, string>>();
pairs.Add(new KeyValuePair<int, string>(1, "Miroslav"));
pairs.Add(new KeyValuePair<int, string>(2, "Naomi"));
pairs.Add(new KeyValuePair&l...
Purpose of Python's __repr__
... be a representation readable for the Python interpreter (i.e. feeding the string to the interpreter should recreate the object). If an object does not have a __str__ method, however, __repr__ is used instead. Also as noted: this example actually prints the __str__ method of self.x and self.y: %r sh...
Jsoup SocketTimeoutException: Read timed out
...y setting .userAgent(Opera) worked for me.
So I used Connection userAgent(String userAgent) method of Connection class to set Jsoup user agent.
Something like:
Jsoup.connect("link").userAgent("Opera").get();
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