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Should you always favor xrange() over range()?
...rint " ".join(format(i*j,"3d") for j in xr) and voila! You have your times-tables up to ten. It works just the same as r = range(1,11) and for i in r: print " ".join(format(i*j,"3d") for j in r)... everything is an object in Python2. I think what you meant to say is that you can do index-based compr...
Naming of enums in Java: Singular or Plural?
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In the same way that when you are defining a table name in a database or a class in Java you use singular for enums it's also the best option. Just see how you are going to use it.
Let's write an example:
public enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY,...
Ignoring a class property in Entity Framework 4.1 Code First
...5847(v=vs.103).aspx
The version I checked is EF 4.3, which is the latest stable version available when you use NuGet.
Edit : SEP 2017
Asp.NET Core(2.0)
Data annotation
If you are using asp.net core (2.0 at the time of this writing), The [NotMapped] attribute can be used on the property level.
pub...
Is there a difference between single and double quotes in Java?
...2) Second we are adding the values of two char that according to the ASCII Table H=72 and a=97 that means that we are adding 72+97 it's like ('H'+'a').
3) Let's consider another case where we would have:
System.out.println("A"+'N');//AN
In this case we are dealing with concatenation of String A ...
Why can't I inherit static classes?
...events...
Static methods are only held once in memory. There is no virtual table etc. that is created for them.
If you invoke an instance method in .NET, you always give it the current instance. This is hidden by the .NET runtime, but it happens. Each instance method has as first argument a pointer ...
How to get line count of a large file cheaply in Python?
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is wccount in this table for the subprocess shell wc tool?
– Anentropic
Nov 11 '15 at 18:05
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
...ow_add=True in the constructor, the datetime referenced by my_date is "immutable" (only set once when the row is inserted to the table).
With auto_now=True, however, the datetime value will be updated every time the object is saved.
This was definitely a gotcha for me at one point. For reference, ...
How does Google's Page Speed lossless image compression work?
...bilities to the fullest, e.g. PNG8+a instead of PNG24+a, optimized Huffman tables in JPEG, etc.
Photoshop doesn't really try hard to do that when saving images for the web, so it's not surprising that any tool beats it.
See
ImageOptim (lossless) and
ImageAlpha (lossy) for smaller PNG files (hi...
What's an Aggregate Root?
...tever language mechanisms are available - for instance, by creating an immutable class to represent the data.
– Jeff Sternal
Feb 4 '11 at 14:02
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Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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Require extra markup (i.e a grandparent element (just like the good ol' table vertical align method isn't it...)
The left and right border of the Child DIV will never show, simply because they are outside of the browser's viewport.
Please let me know if there's any issue you find with this meth...