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How do I preview emails in Rails?
...riables the template expects.
This could be done with fixtures, but I typically prefer to just grab some pseudo-random real data. Remember - this is NOT a unit test - this is purely a development aid. It doesn't need to produce the same result every single time - in fact - it's probably better if...
Instance variable: self vs @
...always reports its age 10 years younger than it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash.
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
...mp into the cold water and fire up your hidden Mac command shell :-) (it's called "Terminal" in the german OSX, no idea how to bring it up in the english version...)
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...ption:
>>> print(b'\xff'.decode('ascii'))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeDecodeError: 'ascii' codec can't decode byte 0xff in position 0…
The newline is part of what echo hi has output. echo's job is to output the parameters...
How to properly check if std::function is empty in C++11?
...u're not checking for an empty lambda, but whether the std::function has a callable target stored in it. The check is well-defined and works because of std::function::operator bool which allows for implicit conversion to bool in contexts where boolean values are required (such as the conditional exp...
css ellipsis on second line
... does not exists.
There is a jQuery plugin that is very easy to use, it is called dotdotdot.
It uses the container's width and height to calculate if it needs to truncate and add ellipsis.
$("#multilinedElement").dotdotdot();
Here is a jsFiddle.
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How to determine MIME type of file in android?
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First and foremost, you should consider calling MimeTypeMap#getMimeTypeFromExtension(), like this:
// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
String type = null;
String extension = MimeTypeMap.getFi...
Cast Object to Generic Type for returning
...and extract the class (as the intArrayType) from it by reflection and then call an internal private method passing those? But even doing this, I must to create an empty array and pass it in the public method, right?
– Cristiano
Jun 16 '16 at 12:09
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mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
5 Answers
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Select multiple records based on list of Id's with linq
I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ?
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