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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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edited Jan 24 '19 at 19:55
Greg Brown
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Naming returned columns in Pandas aggregate function? [duplicate]
I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns.
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Difference between . and : in Lua
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edited Oct 4 '13 at 16:03
Yu Hao
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How to pass variable from jade template file to a script file?
I'm having trouble with a variable (config) declared in a jade template file (index.jade) that isn't passed to a javascript file, which then makes my javascript crash. Here is the file (views/index.jade):
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The key must be an application-specific resource id
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The tag id must be unique so it wants it to be an id created in a resources file to guarantee uniqueness.
If the view will only contain one tag though you can just do
setTag(objContact.onlineid);
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How can I maximize a split window?
Invoking :help in Vim, I got the help manual page with split window. I want to maximize the help manual window and close the other window.
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What are the rules for calling the superclass constructor?
...u if they have no argument. If you want to call a superclass constructor with an argument, you must use the subclass's constructor initialization list. Unlike Java, C++ supports multiple inheritance (for better or worse), so the base class must be referred to by name, rather than "super()".
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Using “super” in C++
...of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustru...
What is the difference between dict.items() and dict.iteritems() in Python2?
Are there any applicable differences between dict.items() and dict.iteritems() ?
10 Answers
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How to implement a rule engine?
...ecutable code (using Expression trees) and does not need any complicated switch statements:
(Edit : full working example with generic method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression expr = BuildExpr(r, paramUser);
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