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Android: What is android.R.id.content used for?
Anybody could explain the meaning of "android.R.id.content" ?
3 Answers
3
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How to get current time and date in C++?
...is question gives you exactly this. If you are in doubt about how to get a string from stream, or how to properly format a time_point<>, go ahead and ask another question or google after it.
– Tarc
Jul 7 '17 at 17:02
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What is the difference between Session.Abandon() and Session.Clear()
What is the difference between destroying a session and removing its values? Can you please provide an example demonstrating this?
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What is the difference between pluck and collect in Rails?
...er.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first.gifts.pluck(:id, ...
How do you UrlEncode without using System.Web?
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System.Uri.EscapeUriString() can be problematic with certain characters, for me it was a number / pound '#' sign in the string.
If that is an issue for you, try:
System.Uri.EscapeDataString() //Works excellent with individual values
Here is ...
What exception classes are in the standard C++ library
...alid arguments.
std::length_error This is thrown when a too big std::string is created
std::out_of_range This can be thrown by the at method from for example a std::vector and std::bitset<>::operator[]().
std::runtime_error An exception that theoretically can not be detected b...
How can I decompress a gzip stream with zlib?
...compatible with gzip module:
>>> import gzip
>>> import StringIO
>>> fio = StringIO.StringIO(gzip_data)
>>> f = gzip.GzipFile(fileobj=fio)
>>> f.read()
'test'
>>> f.close()
automatic header detection (zlib or gzip)
adding 32 to windowBits wil...
Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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How to link to a named anchor in Multimarkdown?
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In standard Markdown, place an anchor <a name="abcd"></a> where you want to link to and refer to it on the same page by [link text](#abcd).
(This uses name= and not id=, for reasons explained in this answer.)
Remote ...
How to explicitly discard an out argument?
...the method in another method that does the out parameter for you like so:
String Other_MakeMyCall(String inputParams)
{
String messages;
return MakeMyCall(inputParams, out messages);
}
Then you can call Other_MakeMyCall without having to fiddle with out parameters you don't need.
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