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Python: reload component Y imported with 'from X import Y'?
...esn't work because X not imported yet
Traceback (most recent call last):
File "<input>", line 1, in <module>
NameError: name 'X' is not defined
>>> import X
>>> print Y()
Test 1
>>> print X.Y()
Test 1
>>> reload( X ) # No effect on previous "from" st...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...versity entity might have some basic properties such as id, name, address, etc. as well as a collection property called students that returns the list of students for a given university:
public class University {
private String id;
private String name;
private String address;
private ...
Why and not taking font-family and font-size from body?
...
In case you're wondering what other styles are defined, check out the CSS files in your resources. You can access them via the url above, or by looking in your res folder in the firefox directory (eg: c:\program files\mozilla firefox\res). These are the ones which may be affecting the styles of nor...
Difference between a Message Broker and an ESB
...most have to be business events (a sale, a renewal, a change of ownership, etc.) rather than something like RPCish "database updates."
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View list of all JavaScript variables in Google Chrome Console
... object (all the functions and variables, e.g., $ and jQuery on this page, etc.). Though, this is quite a list; not sure how helpful it is...
Otherwise just do window and start going down its tree:
window
This will give you DOMWindow, an expandable/explorable object.
...
Capturing console output from a .NET application (C#)
...of your application.
Process compiler = new Process();
compiler.StartInfo.FileName = "csc.exe";
compiler.StartInfo.Arguments = "/r:System.dll /out:sample.exe stdstr.cs";
compiler.StartInfo.UseShellExecute = false;
compiler.StartInfo.RedirectStandardOutput = true;
compiler.Start();
Console.Writ...
Efficiency of premature return in a function
...ying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions run just as efficiently? Is there any difference in the compiled code?
...
How to cast an Object to an int
...t;
Scenario 2: any numerical object
In Java Integer, Long, BigInteger etc. all implement the Number interface which has a method named intValue. Any other custom types with a numerical aspect should also implement Number (for example: Age implements Number). So you can:
int x = ((Number)yourOb...
Python Infinity - Any caveats?
...07807929942597e+154
>>> _**2
Traceback (most recent call last):
File "<stdin>", line 1, in ?
OverflowError: (34, 'Numerical result out of range')
The inf value is considered a very special value with unusual semantics, so it's better to know about an OverflowError straight away th...
Does “display:none” prevent an image from loading?
...rom the blog post:
Chrome and Safari (WebKit): WebKit downloads the file every time except when a background is applied through a non-matching
media-query.
Firefox: Firefox won't download the image called with background image if the styles are hidden but they will still download assets
...