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Union of dict objects in Python [duplicate]
...t objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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How to get current moment in ISO 8601 format with date, hour, and minute?
... Quoted "Z" to indicate UTC, no timezone offset
df.setTimeZone(tz);
String nowAsISO = df.format(new Date());
Using a new Date() as shown above will format the current time.
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what is the right way to treat Python argparse.Namespace() as a dictionary?
If I want to use the results of argparse.ArgumentParser() , which is a Namespace object, with a method that expects a dictionary or mapping-like object (see collections.Mapping ), what is the right way to do it?
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Scala how can I count the number of occurrences in a list
...-> 3, apple -> 3)
The question asks how to find the count of a specific item. With this approach, the solution would require mapping the desired element to its count value as follows:
s.groupBy(identity).mapValues(_.size)("apple")
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CSS3 transition events
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Is there now a standard way of achieving this? Seems 2 years is a long time! Things have likely changed.
– Mild Fuzz
May 22 '12 at 15:52
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How does Stack Overflow generate its SEO-friendly URLs?
...low question How can I remove accents on a string?.
The case conversion is now also optional.
public static class Slug
{
public static string Create(bool toLower, params string[] values)
{
return Create(toLower, String.Join("-", values));
}
/// <summary>
/// Creat...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
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Most compilers have their own specifier for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //_...
private[this] vs private
... learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict changing field value even for objects of t...
Running JAR file on Windows
...n you can type:
jarfile.jar parameter
in the command prompt and it will now work!
EDIT:(However you then get a black console window when you run a form based (non console) Java app, so this is not an ideal solution)
If you run these jar files by double clicking them in windows, no parameters w...
Django select only rows with duplicate field values
...viously had a bug on this (might have been fixed in recent versions) where if you don't specify a fieldname for the Count annotation to saved as, it defaults to [field]__count. However, that double-underscore syntax is also how Django interprets you wanting to do a join. So, essentially when you try...