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How to display the current year in a Django template?
...ration year dropdown with 20 values (starting with the current year). The select values needed to be 2 digits and the display strings 4 digits. To avoid complex template code, I wrote this simple template tag:
@register.filter
def add_current_year(int_value, digits=4):
if digits == 2:
...
How to get the name of enumeration value in Swift?
...
As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabinsk, Bursa
}
let city ...
Tools to get a pictorial function call graph of code [closed]
...that contains a lot of interesting performance data.
On the bottom right, select the "Call graph" tab. This shows an interactive call graph that correlates to performance metrics in other windows as you click the functions.
To export the graph, right click it and select "Export Graph". The exporte...
Serialize form data to JSON [duplicate]
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@DaniëlCamps is right. A <select multiple> with more than one option selected will fail.
– Vanderlei Pires
Oct 4 '18 at 17:25
...
How to pass values between Fragments
... I tried step 5, That i'm calling listactivity from fragment and after selecting item from that activity, i want to come back in fragment with selected file name. But its not working, its giving me Nullpointer Exception at onCreateView. Any solution on this please? This is my question stackoverf...
Pass an array of integers to ASP.NET Web API?
...ctionContext.ActionArguments[_parameterName] = parameters.Split(Separator).Select(int.Parse).ToArray();
}
}
public char Separator { get; set; }
}
I am applying it like so (note that I used 'id', not 'ids', as that is how it is specified in my route):
[ArrayInput("id", Separator =...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
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Dot operator is used in direct member selection scenarios.
print(a.b)
Here, we are accessing b, which is a direct member of an object a. So, primarily, a is an object and b is a member (function/ variable etc) of a.
Arrow operator is used in indirect membe...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...n ASP.NET process by queuing too many work items. It will prevent ASP.NET from processing further requests. The information in the article is accurate in that respect; the same thread pool used for QueueUserWorkItem is also used to serve requests.
But if you are actually queuing enough work items...
Closing Database Connections in Java
...ent statement = connection.createStatement()) {
String sqlToExecute = "SELECT * FROM persons";
try (ResultSet resultSet = statement.execute(sqlToExecute)) {
if (resultSet.next()) {
System.out.println(resultSet.getString("name");
}
}
} catch (SQLException e) {
...
How to manually trigger validation with jQuery validate?
... i have query like this if ($('#myElem').val()=='2017-4-12'){ date selection wrong }else{ valid selection}
– srinivas gowda
Apr 12 '17 at 9:51
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