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What is the difference between setUp() and setUpClass() in Python unittest?
...ave to do once, such as opening a database connection, opening a temporary file on the filesystem, loading a shared library for testing, etc. Doing such things before each test would slow down the test suite too much, so we just do it once before all the tests. This is a slight degradation in the in...
How can I update window.location.hash without jumping the document?
...owsers as follows:
if (history.pushState) {
// IE10, Firefox, Chrome, etc.
window.history.pushState(null, null, '#' + id);
} else {
// IE9, IE8, etc
window.location.hash = '#!' + id;
}
As observed by Gavin Brock, to capture the id back you will have to treat the string (which in t...
Business logic in MVC [closed]
...ayer usually calls the business layer on a certain "event" (button pressed etc.) to read data from or write data to the data layer.
The data layer might also have it's own model, which is typically database related. It often contains a set of entity classes as well as data-access-objects (DAOs).
Th...
How to not run an example using roxygen2?
...xamples tag you can use the \dontrun environment directly in the example.R file. For example
# example.R
\dontrun{
# this is a long running example
for(i in seq(1, 1e5)) { lm(mpg ~ wt, data = mtcars) }
}
# some other shorter example
2 + 2
...
jQuery Selector: Id Ends With?
...tBox', it would match 'NameTextBox', 'FirstNameTextBox', LastNameTextBox', etc.
– Mark
Mar 20 '09 at 14:57
11
...
Are there any disadvantages to always using nvarchar(MAX)?
...er if the new data is longer than the previous inserted. This the database files would become fragmented = lower performance in almost everything, from index to delete, update and inserts. "
http://sqlblogcasts.com/blogs/simons/archive/2006/02/28/Why-use-anything-but-varchar_2800_max_2900_.aspx
In...
Best Timer for using in a Windows service
...ents
for parameters without having to
setup configuration values in config
files etc
Far easier to debug/test during development
Allow a support user to execute by invoking
the console application directly
(e.g. useful during support
situations)
...
Linq: adding conditions to the where clause conditionally
...ublic int? Age {get; set;}
public string Division {get;set;}
etc
}
Then, in my data layer, something like this:
public IQueryable<User> SearchUsers(SearchParameters params)
{
var query = Context.Users;
if (params.Age.HasValue)
{
query = query.Where(u ...
How can you strip non-ASCII characters from a string? (in C#)
...ut in plain english your RegEx pattern. In other words, "the ^ does this", etc...
– Metro Smurf
Sep 23 '08 at 22:45
47
...
Difference between binary semaphore and mutex
...Exclusion semaphores are used to protect shared resources (data structure, file, etc..).
A Mutex semaphore is "owned" by the task that takes it. If Task B attempts to semGive a mutex currently held by Task A, Task B's call will return an error and fail.
Mutexes always use the following sequence:...