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Why does ReSharper want to use 'var' for everything?
...use var for everything - I do lots and lots of code reviews using TFS (web based diffs) and it makes my job extremely difficult: i.e. var items = GetSomeItems(); vs IDataReader dr = GetSomeItems(); Missing using statement on both but easier for me to catch when using IDataReader vs var.
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How do I output coloured text to a Linux terminal?
...gnome-terminal, xterm, screen, ...). Then look that up in the terminfo database; check the colors capability.
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Responsive css background images
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If you want the same image to scale based on the size of the browser window:
background-image:url('../images/bg.png');
background-repeat:no-repeat;
background-size:contain;
background-position:center;
Do not set width, height, or margins.
EDIT:
The previous...
Most efficient way to concatenate strings in JavaScript?
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Seems based on benchmarks at JSPerf that using += is the fastest method, though not necessarily in every browser.
For building strings in the DOM, it seems to be better to concatenate the string first and then add to the DOM, rath...
Selecting/excluding sets of columns in pandas [duplicate]
I would like to create views or dataframes from an existing dataframe based on column selections.
9 Answers
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How to “perfectly” override a dict?
... write an object that behaves like a dict quite easily with ABCs (Abstract Base Classes) from the collections.abc module. It even tells you if you missed a method, so below is the minimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMappi...
Python + Django page redirect
...o 1.5. Use 'RedirectView' instead: docs.djangoproject.com/en/1.5/ref/class-based-views/base/…
– Yonatan
Apr 29 '13 at 23:42
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What is the __DynamicallyInvokable attribute for?
... comment on the OP's Q - one case where the CLR seems to be doing trickery based on this is in the handling 'slight' moves of methods (e.g. down one level onto a new base class) under unification
– Ruben Bartelink
Feb 13 '13 at 13:29
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
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properties that are persisted.
Finally, you must declare collection
based relationship navigation
properties as ICollection<T> only.
They cannot be a concrete
implementation or another interface
that derives from ICollection<T> (a
difference from the Deferred Loading
p...
Start an Activity with a parameter
...e do not control the Intent which launches the Activity.
You can create a base-class Activity that has a constructor with a parameter, then a derived class that has a default constructor which calls the base-class constructor with a value, as so:
class BaseActivity extends Activity
{
public Ba...