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What is the difference between == and Equals() for primitives in C#?
...ves types override the base object.Equals(object) and return true if the boxed object is of the same type and value. (Note that it will also work for nullable types; non-null nullable types always box to an instance of the underlying type.)
Since newAge is a short, its Equals(object) method only ret...
Solving “Who owns the Zebra” programmatically?
... Master, Dunhill, Pall Mall".split(", ")
# There are five houses.
minn, maxn = 1, 5
problem = Problem()
# value of a variable is the number of a house with corresponding property
variables = colors + nationalities + pets + drinks + cigarettes
problem.addVariables(variables, range(minn, maxn+1))
# ...
How to paste in a new line with vim?
...
Shortly after :help p it says:
:[line]pu[t] [x] Put the text [from register x] after [line] (default
current line). This always works |linewise|, thus
this command can be used to put a yanked block as
new l...
Batch Renaming of Files in a Directory
...
Such renaming is quite easy, for example with os and glob modules:
import glob, os
def rename(dir, pattern, titlePattern):
for pathAndFilename in glob.iglob(os.path.join(dir, pattern)):
title, ext = os.path.splitext(os.path.basename(pathAndFilen...
C++11 rvalues and move semantics confusion (return statement)
...
First example
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5};
return tmp;
}
std::vector<int> &&rval_ref = return_vector();
The first example returns a temporary which is c...
Disable/enable an input with jQuery?
...('disabled', false);
jQuery 1.5 and below
The .prop() function doesn't exist, but .attr() does similar:
Set the disabled attribute.
$("input").attr('disabled','disabled');
To enable again, the proper method is to use .removeAttr()
$("input").removeAttr('disabled');
In any version of jQuery...
SQL Server add auto increment primary key to existing table
As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (which is currently null).
...
python exception message capturing
This doesn't seem to work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file
...
Inspecting standard container (std::map) contents with gdb
...lso a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
2
...
TypeError: 'dict_keys' object does not support indexing
...d.keys() to your shuffle function. Probably this was written with python2.x (when d.keys() returned a list). With python3.x, d.keys() returns a dict_keys object which behaves a lot more like a set than a list. As such, it can't be indexed.
The solution is to pass list(d.keys()) (or simply list(d...