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Use 'class' or 'typename' for template parameters? [duplicate]
...about this here. I thought it was interesting.
Summary: Stroustrup originally used class to specify types in templates to avoid introducing a new keyword. Some in the committee worried that this overloading of the keyword led to confusion. Later, the committee introduced a new keyword typename to ...
Getting number of elements in an iterator in Python
...ve an answer, this answer avoids instantiation of a list, and it is empirically faster by a constant than the reduce method listed above.
– Phillip Nordwall
Aug 2 '12 at 15:27
5
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How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...
The npm install command will install the devDependencies along other dependencies when run inside a package directory, in a development environment (the default).
Use npm install --only=prod (or --only=production) to install only depend...
Can a variable number of arguments be passed to a function?
...able to pass any number of arguments.
def manyArgs(*arg):
print "I was called with", len(arg), "arguments:", arg
>>> manyArgs(1)
I was called with 1 arguments: (1,)
>>> manyArgs(1, 2, 3)
I was called with 3 arguments: (1, 2, 3)
As you can see, Python will unpack the arguments...
On Duplicate Key Update same as insert
...real life query there are differences. My question is quiet simple: Do I really need to specify all the fields (and values in my first example) if they are the same as in the insert? I just want to insert all or if there is a unique value match: update all.
– Roy
...
How can I read SMS messages from the device programmatically in Android?
...ForResult(intent, 1);
}else {
List<Sms> lst = getAllSms();
}
}else {
List<Sms> lst = getAllSms();
}
Set app as default SMS app
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 1...
Python debugging tips [closed]
... same effect in the running code
ipdb is a version of pdb for IPython. It allows the use of pdb with all the IPython features including tab completion.
It is also possible to set pdb to automatically run on an uncaught exception.
Pydb was written to be an enhanced version of Pdb. Benefits?
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
I am moving to Emacs to work on Clojure /Lisp.
What is all the information I need to setup on Emacs to be able to do the following?
...
How can I unit test Arduino code?
I'd like to be able to unit test my Arduino code. Ideally, I would be able to run any tests without having to upload the code to the Arduino. What tools or libraries can help me with this?
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Flex-box: Align last row to grid
...d:after and it works the same. Now if you tried something like this it totally breaks. Notice the widths for each set of 4 dont add up to 100%. In the OP's fiddle the widths are set in px so your solution doesn't work this situation.
– Jacob
Jan 26 '16 at 15...