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Why does auto a=1; compile in C?
...so the same as int a in this example.
This keyword is actually a leftover from C's predecessor B, where there were no base types: everything was int, pointer to int, array of int.(*) Declarations would be either auto or extrn [sic]. C inherited the "everything is int" as a default rule, so you coul...
Unable to begin a distributed transaction
...
Found it, MSDTC on the remote server was a clone of the local server.
From the Windows Application Events Log:
Event Type: Error
Event Source: MSDTC
Event Category: CM
Event ID: 4101
Date: 9/19/2011
Time: 1:32:59 PM
User: N/A
Computer: ASITESTSERVER
Description: ...
Convert from ASCII string encoded in Hex to plain ASCII?
How can I convert from hex to plain ASCII in Python?
8 Answers
8
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MongoDB, remove object from array
...
I have a document like
I have to delete address from address array
After searching lots on internet I found the solution
Customer.findOneAndUpdate(query, {$pull: {address: addressId}}, function(err, data){
if(err) {
return res.status(500).json({'error' ...
Why aren't superclass __init__ methods automatically invoked?
...__new__". As you yourself note, __new__ behaves nothing like a constructor from other languages. __init__ is in fact very similar (it is called during the creation of a new object, after that object is allocated, to set member variables on the new object), and is almost always the place to implement...
Github: Import upstream branch into fork
I have a fork ( origin ) from a project ( upstream ) on github. Now the upstream project has added a new branch, I want to import into my fork. How do I do that?
...
Can I squash commits in Mercurial?
...estination branch (e.g. master)} --base . --collapse
How this works:
(from http://mercurial-scm.org/wiki/RebaseExtension#Collapsing)
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Setting DIV width and height in JavaScript
...omized.
This technique follows the rule of separating your content (HTML) from your behavior (JavaScript), and your presentation (CSS).
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How do I get the full path of the current file's directory?
...one.
Also note that if you are running interactively or have loaded code from something other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of "current file". The above answer assumes the most common scenario of running a python script that is in...
How can I dynamically create derived classes from a base class
...bles" -
So, you could just add your classes to a dictionary and use them from there:
name = "SpecialClass"
classes = {}
classes[name] = ClassFactory(name, params)
instance = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictiona...