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How can I add new array elements at the beginning of an array in Javascript?
...tation. Virtually every language that has the ability to push/pop elements from an array will also have the ability to unshift/shift (sometimes called push_front/pop_front) elements, you should never have to implement these yourself.
As pointed out in the comments, if you want to avoid mutating y...
What are the best use cases for Akka framework [closed]
...basic stories. Yet the workflow is very difficult to comprehend and follow from the code. A related problem is that Akka code will be IRREVERSIBLY all over your business logic in the most intrusive way you could imagine. Much more than any other non-actor framework. It is simply impossible to write ...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...
From the Qt documentation:
The Meta-Object Compiler, moc, is the
program that handles Qt's C++
extensions.
The moc tool reads a C++ header file.
If it finds one or more class
declarations that contain the Q_O...
Pretty-print an entire Pandas Series / DataFrame
...ny columns do you have? I've checked with 1300 columns and it work fine: from itertools import combinations from string import ascii_letters df = pd.DataFrame(data=[[0]*1326], index=[0], columns=[(a+b) for a,b in combinations(ascii_letters, 2)])
– Andrey Shokhin
...
Why is `replace` property deprecated in AngularJS directives? [duplicate]
...es(element, child);
element.replaceWith(child);
}
/// Copy attributes from sourceElement to targetElement, merging their values if the attribute is already present
Utils.mergeAttributes = function(sourceElement, targetElement) {
var arr = sourceElement[0].attributes;
for(var i = 0; i &l...
Concatenate text files with Windows command line, dropping leading lines
...
is there any command to retrieve original files from merged files?
– swapnil gandhi
Feb 25 '16 at 7:33
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Naming convention - underscore in C++ and C# variables
...
Actually the _var convention comes from VB not C# or C++ (m_,... is another thing).
This came to overcome the case insensitivity of VB when declaring Properties.
For example, such code isn't possible in VB because it considers user and User as the same ident...
.NET unique object identifier
...e a mapping using weak references (to avoid preventing garbage collection) from a reference to an ID of your choosing (GUID, integer, whatever). That would add a certain amount of overhead and complexity, however.
share
...
Why does mongoose always add an s to the end of my collection name
... "s" makes the framework more intelligent, IMHO, that is a bad idea. Apart from that mongoose is an awesome framework.
– Roberto
Feb 12 '13 at 8:22
14
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Why does @foo.setter in Python not work for me?
...ly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object):
class testDec(object):
@property
def x(self):
print 'called getter'
return self._x
@x.setter
def x(self, value):
print 'ca...