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What is the purpose and use of **kwargs?
...Swim(where, why)
elif what == 'walk':
doWalk(where, why)
...
Now you get a new method "drive":
elif what == 'drive':
doDrive(where, why, vehicle)
But wait a minute, there is a new parameter "vehicle" -- you did not know it before. Now you must add it to the signature of the myDo-...
How to convert a LocalDate to an Instant?
...for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the JVM - ZoneId.systemDefault() - to perform the conversion. See here for a longer answer to a rela...
How to programmatically display version/build number of target in iOS app?
...
Do you know if there are there any string constants for @"CFBundleShortVersionString" and @"CFBundleVersion" ?
– igrek
Oct 15 '15 at 7:36
...
Anonymous recursive PHP functions
...
Mind Blown! Thanks a lot! How did I not know about this till now? The amount of application I have for recursive anonymous functions is huge. Now I can finally loop through nested structures in layouts without having to explicitly define a method and keep all my lay...
Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
... than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure the query you are using should return only one row. If at all it is not possible then use query method instead.
List<Str...
Using CookieContainer with WebClient class
...ed a CookieContainer with HttpWebRequest and HttpWebResponse sessions, but now, I want to use it with a WebClient. As far as I understand, there is no built-in method like there is for HttpWebRequests ( request.CookieContainer ). How can I collect cookies from a WebClient in a CookieContainer?
...
Recommended way of making React component/div draggable
...nd could probably even wrap it in a nice closure interface, but I want to know if there's a way that meshes with React better.
...
How to remove empty cells in UITableView? [duplicate]
...
It's now tableView.tableFooterView = UIView(frame: CGRect.zero)
– Ryan Walton
Oct 27 '15 at 17:35
...
How does the socket API accept() function work?
...dard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
...
What is a NullReferenceException, and how do I fix it?
... case:
string GetCategory(Book b)
{
if (b == null)
return "Unknown";
return b.Category;
}
Explicitly check for null from method calls and throw a custom exception.
You can also throw a custom exception, only to catch it in the calling code:
string GetCategory(string bookTitle)
{
...