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Design by contract using assertions or exceptions? [closed]
...ulates a URL and is either Null or a valid URL. It is the conversion of a string into a URL that enforces the contract, and an exception is thrown if it is invalid. A method with a URL parameter is much clearer that a method with a String parameter and an assertion that specifies a URL.
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Why is “throws Exception” necessary when calling a function?
...// Why throws is necessary here ?
{
show2();
}
public static void main(String[] args) {
JavaException a = new JavaException();
try{
a.show3();
}catch(Exception e){
System.out.println(e.getMessage());
}
}
Only small changes in your program. What It seems to be misunderst...
How can I sort a dictionary by key?
... 3), ('apple', 4)])
>>> # dictionary sorted by length of the key string
>>> OrderedDict(sorted(d.items(), key=lambda t: len(t[0])))
OrderedDict([('pear', 1), ('apple', 4), ('orange', 2), ('banana', 3)])
s...
How to remove “disabled” attribute using jQuery?
...this (from this question):
$(".inputDisabled").prop('disabled', function (_, val) { return ! val; });
Here is a working fiddle.
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Is there a command to list SVN conflicts?
...
-P tells grep to use perl regex, ^ = start of string, (?=) enclose the lookahead pattern which is .{0,6} any 0 to 6 characters and the letter C, which is the indicator for conflicts
– Pete
Nov 22 '13 at 21:56
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Difference between Bridge pattern and Adapter pattern
... of the properties.
public class AdapterDemo{
public static void main(String args[]){
SquareArea s = new SquareArea(4);
System.out.println("Square area :"+s.getArea());
}
}
class RectangleArea {
public int getArea(int length, int width){
return length * width;
...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...
There are actually constants for these 'special' strings not representing a property (e.g. kCAOnOrderOut for @"onOrderOut") well-documented here: developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/…
– Patrick Pijnappel
A...
How do I replace a git submodule with another repo?
... file
Delete the relevant section from .git/config
Run git rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name flag. This will give git an alternate name to reference in .git/config for the submodule, to ...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...ly:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
if (
context.ObjectStateManager.TryGetObjec...
mailto link with HTML body
...tlook. Note that you must only encode the body text, not the entire mailto string; and you don't need spaces before/after the \n.
– Luke
Nov 12 '14 at 21:42
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